Unitd States 

Department of 

Agriculture 

Forest Service 

Southern Fores;t 

Experiment Station 

New Orleans, 

Louisiana 

General Technical Report 

SO- 51 

September, 1984 

Bibliography 

in Puer 

Menandra Mosquera, JoAnne Feheley, Compilers 

An Institute of Tropical Forestry Publication 
COMPILERS : 

Menandra Mosquera, formerly working as a college librarian in Puerto Rico, 

is now living and working in Washington, D.C. The nucleus of this work 

originated with references for a bibliography on the history of the 

Institute of Tropical Forestry by Ms. Mosquera. It was part of the coursework for her Master's Degree in library science from the University of 

Puerto Rico. 

JoAnne Feheley is the library technician at the Institute of Tropical 

Forestry in Rlo Piedras, Puerto Rico. 

The compilers decided to broaden extensively the original concept and make 

this a record of written material on all forestry activities in Puerto Rico. 

This work was done in cooperation with the University of Puerto Rico. 
I€Y OF FORESTRY IN PUERTO RICO 

MENANDRA. MOSQUERA and JOANNE FEHELEY, COMPILERS 

CONTENTS 

Page 

Foreword......................,.......,,........... 1 

Bibliography ...................................... 3 

Appendix, Highlights of Forestry in Puerto Rico and 

the U.S. Virgin Islands...........,....... 169 

Author Index....,................................ 172 

Subject Index..............,..................... 183 

Species Index,.......,.............................. 187 
We dedicate this bibliography to Dr. Frank H. Wadsworth 

to express our appreciation for his recommendations and 

guidance in this work and for his constant support to 

strenggkn and maintain the Institute's outstanding 

tropical forestry library. 
This annotated bibliography provides sources of literature regarding 

Puerto Rico's practice of forestry and allied fields. It includes references 

to texts, journal articles, newspaper articles, theses, booklets, proceedings, 

investigations and reports, the majority of which were written between 

1887 and 1978. 

The entries in this bibliography vary greatly in significance but 

are purposely included in order that it be an historical record as well as 

a source of scientific or technical information. 

Most of this material is part of the library collection of the 

Institute of Tropical Forestry, and much of it can be located in tropical 

forestry centers throughout the world. 

Publications listed in this bibliography are arranged alphabetically 

by lead author. The Author Index provides access to names of authors who 

are not lead authors. The Subject Index refers to key topics, discussed 

or cited in the publications, which maynotbe ascertained through.the titles. 

Only those species names which appear in the title are indexed. In both 

Author and Subject Indexes, the numbers shown refer to the number of the 

publication in the bibliography. 

If any errors or omissions are noted in the bibliography, we would 

appreciate your informing the Library, Institute of Tropical Forestry, 

Southern Forest Experiment Station, P.0, Box AQ, Rzo Piedras, Puerto Rico 

00928. 

Esta bibliografla provee literatura relacionada a la prsctica de 

dasonomla y especialidades afines en Puerto Rico. Incluye referencias 

de libros, artlculos de revistas, artlculos de periGdicos, tgsis, folletos, 

actas, investigaciones e informes, la mayoria de 10s cuales han sido escritas desde 1887 hasta 1978. 

Los apuntes en esta bibliografla varlan grandemente en significado 

per0 han sido incluidos con el prop6sito de usarlos como una recopilaci6n 

hist6rica a1 igual que una fuente de infornaciGn cientlfica y tGcnica. 

La mayorla de este material es parte de la colecci6n de la biblioteca 

del Instituto de Dasonomla Tropical, y la mayorla de ellos pueden ser 

localizados en 10s centros de dasonomla tropical atravcs del mundo. 

Las publicaciones listadas en esta bibliografla han sido alfabeticamente 

ordenadas por primer autor. El indice de autores proveers acceso a1 nombre 
de 10s autores principales y co-autores. El indice de materia dirigir5 a 

las rnaterias claves discutidas o citadas en las publicaciones que no son 

autoexplicativas a travss de 10s tltulos. S6lo incluimos 10s nombres de 

las especies que aparecen en 10s titulos. Tanto en 10s indices de autor y de 

materia, 10s nGmeros refieren a1 nGmero de la publicaci6n en la bibliografia. 

Si nota algGn error u omisi6n en esta bibliografza, ser5 apreciado si 

ellos fuesen referidos a la atenci6n de la biblioteca del Instituto de 

~asonom?a Tropical, Apartado AQ, R?o Piedras, Puerto Rico 00928, 
Aaron, John M. 

1973. Geology and mineral resources of Isla de Nona, P.R. 

- In Mona and Monito Islands: an assessment of their 

natural and historic resources. V. 11, App. B, B-1 - 

B-7. Environ. Qual. Bd., San Juan, P.R. 

Abbad y casierra, Inigo. 

1979. Historia geogrdfica civil y natural de la Isla de 

San Juan Bautista de Puerto Rico. Editorial Universitaria, San Juan, P.R. 

This is latest edition of this book, the original of which 

was written in 1788. 

Acosta, Jos6 de . 1590. Historia natural y moral de 10s Indios. [Puerto 

Rico]. Seville, Arturo Morales CarriBn. 2 vols. 

The natural and cultural history of the Indians. [Puerto 

Rico] . 

Addor, Eugene E., William N. Rushing, and Warren E. Grabau. 

1970. A procedure for describing the geometry of plants 

and plant assemblages. In A tropical rain forest: a 

study of irradiation anrecology at El Verde, Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, B-13, 

p. B-151 - B-167. USAEC, Oak Ridge, Tn. 

A procedure for the quantitative description of vegetation 

geometry is presented with diagram and computer computations. 

Agriculture Experiment Stations of the Land Grant Universities, Southern Region, and U. S . Dep. ~gric., Soil Cons. Serv., 

South Region. 

1969. Tropical Soils Workshop, Puerto Rico and Virgin 

Islands, August 5-14, 1969. 114 p. U.S. Dep. Agric. 

Exp. Sta. and U.S. Dep. Agric. Soil Cons. Serv., 

South Region. 

Proceedings of the Southern Regional Technical Work-Planning 

Conference of the National Cooperative Soil Survey. 

Ahern, G. P., and H. K. Newton. 

1928. A bibliography on woods of the world, exclusive 

of the temperate region of North America and with 

emphasis on tropical woods. 77 p. [References on woods 

of the West Indies, p. 18-21]. Amer. Soc. Mech. Engin., 

New York . 

Ahlers, David. 

1968. I think that I shall never see a Puerto Rican 

tree... The San Juan Star [San Juan, P.R.], July 28, 

1968. 

Article about Puerto Rican indigenous species. 
8. Albanese, Lorelei. 

1974. There's more to a forest than the trees. The Sari 

Juan Star [San Juan, P.R.], Feb. 24, 1974. 

Maintenance and management problems in RLO Abajo Forest, 

one of Puerto Rico's 13 forest reserves. 

9. Alexander, William Henry. 

1902. Porto Rico, its climate and resources. Amer. Geog. 

Sec. Jour. 34:401-409. 

10. Alexander, William Henry. 

1904. Climatology of Porto Rico. U.S. Dep: of Comm., 

Weather Bureau. [Unpublished]. 

11. Alexopoulos, Constantine J. 

1970. Rain forest myxomycetes. In A tropical rain forest: 

a study of irradiation and ecology at El Verde, Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, eds. Ch. F-3, 

p. F 21-F 23. USAEC, Oak Ridge, Tn. 

Sixty species of slime molds were collected in the Caribbean 

Islands during a six-week period in 1965 and 1966. Myxomycetes fructifications were less abundant in these rain 

forests than in temperate forests in rainy periods. 

12. ~lmodBvar, L. R., and R. Biebl. 

1962. Osmotic resistance of mangrove algae around La 

Parguera, P.R. Rev. Algol. 6903-208. 

13. ~lmod6var, L. R., and F. A. ~aggn. 

1962. Notes on a mangrove channel at La Parguera, P.R. 

[Unpublished manuscript]. 

14. Almy, C. C., Jr., and C. CarriBn Torres. 

1963. Shallow-water stony corals of Puerto Rico. 

Caribb. J. Sci. 3 (2/3) : 133-163. 

15. Alvarez Garcia, Luis A. 

1939. A mahogany seedling blight in Puerto Rico. Caribb. 

For. 1 (1) : 23-24. 

16. Alvarez Garcia, L. [Luis] A. 

1940. A cedar seedling blight in Puerto Rico. Caribb. 

For. 1 (2):26. 

17. Anderson, David E. 

1968. Buscan salvar cotorra. El Mundo [San Juan, P.R.], 

Oct. 17, 1968. 

An effort to save the parrot. 

18. Angler6, ~os6 I. 

[nod.] InformaciBn sobre 6rboles ornamentales y de sombra. 110 p. Servicio de Extensi6n Agrlcola, Universitaria de Puerto Rico, R~O Piedras. 

Information about ornamental and shade trees. 
19. ~ngler6, ~os6 I. 

1962. Su ganado necesita sombra. Rev. de Agr. de P.R. 

49 (1) : 153-155. 

The need of shade for livestock is discussed. 

20. Anglo-American Caribbean Commission. 

1944. Recommendations of the Soil, Water, and Forest 

Conservation Committee of the Fourth Meeting of the 

Anglo-American Caribbean Commission. [An abstract 

from the proceedings of the fourth meeting of the AngloAmerican Caribbean Commission held August 17-21, 1943, 

at Charlotte Amalie, St. Thomas, V.I.]. Caribb. For. 

5 (2) :78-83. 

21. Anthony, H. E. 

1918. The indigenous land mammals of Porto Rico. Amer. 

Nus. Natur. Hist. Elem. 2 (2) : 331-435. 

22. Anthony, H. E. 

1925-1926. Mam-nals of Porto Rico, living and extinct. 

- In Scientific Survey of Porto Rico and the Virgin Islands. 

V. 9, Parts 1 and 2, p. 1-238. New York Acad. of Sci., 

N.Y. 

23. ~r%ez y Fernando, R. 

1905. Historia del cicl6n del dfa de San Ciriaco. 

San Juan, P.R., Imprenta Heraldo Espafiol. 

History of the cyclone on the day of Saint Cyrriacus. 

24. Arena, C. 

1972. Conservationists blast Ferr6 Jobos Bay Act. San 

Juan Star [San Juan, P.R.], Aug. 3, 1972. p. 81. 

25. ~rrarss, J. D. 

1964. The Commonwealth concept. In F.M. Andic and T.G. 

Mathews, eds., The Caribbean in transition. Second 

Caribbean Scholars Conf. Proc., Mona, Jamaica. Inst. 

Caribb. Studies, Univ. of Puerto Rico, Rfo Piedras. 

26. Arrieta, Rub& 0. 

1978. A como de lugar quieren sembrar Pinos Hondurefios. 

El Nuevo Dla [San Juan, P.R.], May 11, 1978. p. 24. 

* Controversy over the planting of the Honduras pine and the 

introduction of the mycorrhiza fungus in Puerto Rico. 

27. Ascorbe, F. J. 

1953. The inhibitory action of organic chemicals on a 

blue stain fungus. Caribb. For. 14(3/4):136-139. 

28. Austin, H. M. 

1971. A survey of the Ichtyofauna of the mangroves of 

western Puerto Rico during December 1967 - August 1968. 

Car-ibb. J. Sci. 2 (1/2) :27-39. 
29. ~Sez, Vicente, ed. 

1976. La flora de Puerto Rico. In La Gran Enciclopedia 

de Puerto Rico. Madrid, ~diciones R.V. 10, p. 335-341. 

30. Bag&, Jaime. 

1962. Presencia de 10s montes en nuestra historia. Rev, 

de Agr. de P.R. 49 (1) :4-86. 

History of the silviculture in Puerto Rico from 1830 to 1962, 

31, Bague, Jaime, 

1968. Movimientos de reforma aqraria en Puerto Rico. 

(1510-1961) Parts 1-3. Rev. de Agr. de P.R. 55. 

The agrarian reform movement in Puerto Rico from 1510-1961. 

32. Baillon, H. 

1882. Un nouveau Cinnamodendron. (An endemic tree of 

Puerto Rico). Bull. Soc. Linn. Paris 1:317-319, 

Description of Cinnamodendron macranthum (Pleodendron 

macranthum (Bail1 . ) v. Tiegh) . 

33. Balmer, William E., and Jos6 A. Zambrana. 

1977. Planting trees in urban areas. (In Spanish on 

reverse side, "C6mo sembrar Srboles en la zona urbana.") 

U.S. Dep. Agric. For, Serv., Urban For. Bull., 

Caribbean Area, R.fo Piedras, P.R. 2 p. 

34. Bannister, Barbara A. 

1970. Ecological life cycle of Euterpe globosa Gaertn. 

- In A tropical rain forest: A study of irradiation and 

ecology at El Verde, Puerto Rico, Howard T, Odum and 

Robert F. Pigeon, eds. Ch. B-18, p. B 299 - B 314. 

USAEC, Oak Ridge, Tn. 

The life cycle of the sierra palm, studied in environment 

chambers and in the rain forest of Puerto Rico, suggests 

that Euterpe is adapted to conditions inside the forest and 

is a normal component of rain forest vegetation, not a 

successional species as previously assumed. 

35. Barber, H, G. 

1939. Insects of Porto Rico and the Virgin Islands, 

Hemiptera-Heteroptera (excepting the Miridae and 

Corixidae). In Scientific Survey of Porto Rico and the 

Virgin 1s1andK V. 14, Part 3, p. 263-441. New York 

Acad. Sci., N.Y. 

36. Barber, M. C. 

1978. A Markovian model for ecosystem flow analysis: 

nitrogen flow in a Puerto Rican rain forest as an example. 

Ecol 15 (3) : 193-206. 

37. Barbour, William R. 

1933. Soil and stumpage values on the Luquillo purchase 

unit. Unpublished memorandum in files of U.S. For. 

Serv., Rfo Piedras, P.R., 8 p. 
38. Barker, E. Eugene. 

1920. Impressions of a nature lover in Porto Rico. Nature 

Study Rev. 16:lO-12. 

39. Barres, H. 

1964. Rooting media for growing pine seedlings in hydroqonic culture. U.S. Dep. Agric. ~oi. Serv., Res. Note 

ITF-2, 4 p. U.S. Dep. Agric. For. Serv., Inst. of Trop. 

For. , R~O Piedras, P. R. [Discontinued series] 

Rooting medium influences the growth and survival of Honduras 

pine in a hydroponic culture. 

40. Barres, H. 

1966. La recherche sylvicole 6 Porto Rico tir6 a part 

du-Journal Forestier Suisse. Schweiz. 2. Forstw. 

117 (2) : 127-134. 

Recent forestry research undertaken in Puerto Rico, including site evaluations and species trials. 

41. Barrett, 0. W. 

1902. The fall of Porto Rican forests.. Plant World 5:111-112. 

A record of the deforestation begun prior to 1850, with 

consequent rarity of many forest trees. 

42. Barrett, 0. W. 

1902. Report on trip to locate boundaries of public lands 

in the Luquillo District. [P.R. Dep. of Pub. Wks. files]. 

43. Barrett, O.W. 

1925. The food plants of Porto Rico. J. Dep. Agric. 

Porto Rico 9:61-208. 

Annotated and descriptive list of cultivated and naturalized 

species and varieties of food plants. 

44. Barrett, 0. W. 

1929. Food plants of Porto Rico. Porto Rico School 

~eview 14:14, 15, 18, 42, 43, 45. 

This is an address delivered at the School of Tropical 

Medicine in San Juan, P.R. , 

45. Barrett, Wilfredo H. G., and Lamberto Golfari 

1962. Descripci6n de dos nuevas variedades del "Pino del 

Caribe." Caribb. For. 23(2):59-71. 

Description of two new varieties of the "Caribbean Pine." 

46. Bartlett, Federico P. 

1943. Population and resources in Puerto Rico. Puerto 

Rico Jour. Pub. Health Trop. Med. 19:9-34. 

47. Bascopg, R. 

1959. Los manglares en Amgrica. - In Descripciones de 

6rboles forestales No. 5. Inst. For. Lat. Am. de 

1nvestigaci6n y CapacitaciBn. Merida, Ven. 52 p. 
The mangroves in America are described. 

Batchelder, R. B. 

1952. The subhumid plain of Northwestern Puerto Rico: a 

study in rural land utilization. In The Rural Land 

Classification Program of Puerto R~O. (Northwest. 

Univ. Studies in Geog. NO. 1). p. 77-114. The William 

and Marion Hass Res.. Fund, Evanston, 111, 

Bates, C. [Charles] Z. 

1930, La siembra de drboles en 10s terrenos de la escuela. Rev. de Agr. de Puerto Rico 24:70. 

The planting of trees in school areas is discussed. 

Bates, C. [Charles] Z. 

1938. La silvicultura en la finca. Rev. de Agr. de 

Puerto Rico 32: 16-20, 

Farm silviculture is outlined. 

Bates, Charles [Z.] 

1939. La siembra de Srboles en l&s fincas de Puerto Rico. 

Rev. de Agr. de P.R. 31(1):130-134. 

An article about planting trees on farms in Puerto Rico. 

Bates, Charles Z. 

1924. ~ivisi6n Forestal. [Puerto Rico] Resumen del trabajo realizado durante el mes de julio de 1924. Rev. 

de Agr. de P.R. 13 (2) :Ill-113. 

Report of work done during July 1924. 

Bates, Charles Z. 

1925. Lo que la silvicultura puede hacer por Puerto Rico. 

Rev. de Agr. de P.R. 14 (2) 97-101. 

What silviculture can do for Puerto Rico. 

Bates, Charles Z. 

1925. 1ntroducci6n de drboles exbticos. [Puerto Rico] . Rev. de Agr. de P.R. 14 (5) :305-309. 

Introduction of exotic trees to Puerto Rico. 

Bates, Charles Z. 

1929. Efectos del huracdn del 13 de septiembre de 1928 

en distintos drboles. Rev. de Agr. de P.R. 23:113-117. 

The effects of the hurricane of Sept. 13, 1928 on various 

trees in Puerto Rico. 

Bates, Charles Z. 

1930. Hurricane damage to Porto Rican forests. J. For. 

38: 772-774. 
Bates, Charles 2. 

1930. La silvicultura en la finca, una necesidad en 

Puerto Rico. Rev. de Agr. de P.R. 25(1):16-20. 

Silviculture on the farm, a necessity in Puerto Rico. 

50. Bates, [Charles] 2. 

1932. Silvicultura elemental para escolares. 34 p. Puerto Rico Dep. Agr. y Com., San Juan. 

Teaching tool for students which includes illustrations of 

Puerto Rican trees. 

59, Baynton, H. W. 

1968. The ecology of an Elfin Forest in Puerto Rico. 

2. The micro-climate pf Pico del Oeste. J. Arnold 

Arbor. 49 (4) :419-430. 

60. Baynton, H. W. 

1969. The ecology of an Elfin Forest in Puerto Rico. 

3. Hilltop and forest influences in the micro-climate 

of Pico del Oeste. J. Arnold Arbor. 50(1):80-92. 

61. Beard, John Stewart. 

1942. Montane vegetation in the Antilles. Caribb. For. 

3 (1) :61-74. 

62. Beard, J. [John] S. [Stewart]. 

1944. Climax vegetation in Tropical America. Ecology 

253127-158. 

63. Beard, J. [John] S. [Stewart]. 

1949. The natural vegetation of the Windward and Leeward Islands. Oxford Forestry Memoirs No. 21. 192 p. 

64. Beard, J. [John] S. [Stewart]. 

1945. Some ecological work in the Caribbean. Emp. 

For. Jour. 24:40-46. 

65. Beinroth, F. [Friedrich] H. 

1969. Puerto Rico and its natural environment. In US. 

Dep. Soil Conserv. Serv., Carib. Area. Trop. ~zls 

Workshop, Puerto Rico and Virgin Islands. Santurce, P.R. 

66. Beinroth, Friedrich H. 

1969. An outline of the geology of Puerto Rico. Univ. 

of P.R. Agric. Exp. Stn. Bull. 213. UPR Agric. Exp. 

Stn., RIO Piedras, P.R. 

67. Bell, G. A. 

1970. Seed distribution and germination experiment. In 

A tropical rain forest]: A study of irradiation andecology at El Verde, Puerto Rico. Howard T. Odum and 

Robert F. Pigeon, eds. Ch. D-6, p. D 177-D 182. 

USAEC, Oak Ridge, Tn. 

Germination of Phytolacca and other species was studied in 
12 seed flats filled with soils from six stations in and 

around the North Cut Center. Half of the flats of soil 

were moved into the sunlight and half were distributed 

to the sites of soil collection. Disturbance stimulated 

germination even in the shade, but explosive seedling 

production required sunny exposure. 

68. Bell, C. G. 

1952. Forest utilization in Puerto Rico. U.S. Dep. 

Agric., For. Serv. For. Prod. Lab.., Madison, Wisconsin. 

69. Bello y Espinosa, Domingo. 

1881-1883. Apuntes para la flora de Puerto Rico. Anales 

Soc. Esp. Hist. Nat. 10:231-304, pl. 4, 5, 1381; 

12:103-130, pl. 1, 1883. [Reprint p. 102, pl. 3.1. 

70. Benedict, F. F. 

1976. Herbivory rates and leaf properties in four forests 

in Puerto Rico and Florida. M.S. thesis. Univ. of Fla., 

Gainesville. 78 p. 

71. Benner, Thomas E. 

1928. Porto Rico after the storm. Rev. of reviews 

78 :487-488. 

72. Berkey, C. P. 

1915. Geological reconnaissance of Porto Rico. Ann. N.Y. 

Acad. Sci. 26:l-70. 

73. Berkey, C. P. 

1919. Introduction to the geology of Porto Rico. In 

Scientific Survey of Porto Rico and the Virgin ~sEnds, 

N.Y. Acad. Sci., N.Y. 

74. Bevan, A. [Arthur]. 

1940. The forest problem in Puerto Rico. Rev. de Agric., 

Inii. y Com. [P.K.] 32 (3) :447-448. 

75. Bevan, Arthur. 

1940. Possibilities for forestry in the Virgin Islands: 

St. Thomas, St. John, St. Croix. Caribb. For. 2(1)>8:12. 

76. Bevan, Arthur. 

1942. Farm forestry in Puerto Rico. Rev. de Agric., 

Ind. y Corn. [P. R.] 34 (1) :79-81 

77. Biaggi, Virgilio. 

1970. Las aves de Puerto Rico. 371 p. Editorial Universitaria, Uhiv. de' P.R:, Rfo' Piedras, P.R. 

The birds of Puerto Rico. 

78. Biebl, R. 

1962. Protoplasmatisch-okologische untersuchungen an 

mangrovealgen von Puerto Rico. Protoplasma 55:572-606. 

Protoplasm-ecology investigations on mangroves of Puerto Rico. 
Biebl, R., and A. Kinzel. 

1965, Blattban und salzhaushalt von Laguncularia racemosa 

(L.) Gaertn. f. und andern mangrovebaume auf Puerto 

Rico. Oesterr. Bot. Z. 112:56-93, 

Investigation on Laquncularia racemosa (L.) and other 

mangroves of Puerto Rico. 

0 

Bloom, Sanford G., and Gilbert E. Raines. 

1970. Kinetic model study of hydrogen flow through the 

El Verde forest system. In A tropical rain forest: 

A study of irradiation anrecology at El Verde, Puerto 

Rico, Howard T. Odum and Robert F. Pigeon, Ch. H-7, 

p. H 123 - H 128. USAEC, Oak Ridge, Tn. 

A mathematical model is presented for the flow of hydrogen 

and tritium through the rain forest system at El Verde, 

Puerto Rico. 

Bobb, M. [Maggie] . 1972. Explica el valor de 10s manglares y arrecifes en 

las costas de Puerto Rico: la Sra. Mary Margaret 

Goodwin, bi6logo marino. El Mundo [San Juan,P.R.], 

Jan. 20, 1972. p. 13-A. 

The value of the mangroves and reefs to the coasts of 

Puerto Rico. 

Bobb , Maggie . 1972. ~signaci6n ambiental: zona manglares desaparecerd. 

[Puerto Rico] . El Mundo [San Juan, P.R.] , Oct. 30, 1972. 

p. 16-A. 

Environmental assignment: The mangroves in Puerto Rico 

will disappear. 

Bock, C. [Carl] A. 

1946a. Planning report on the proposed Rfo Blanco Extension. P.K. Water Resour. Auth., San Juah, P.R. [mime01 

Bock, Carl A. 

1946b. Planning report on the El Yunque Hydroelectric 

Project. P.R. Water Resour. Auth., San Juan, P.R. 

31 p. [mimeo]. 

Bogart, D. B., T. Arnow, and J. W. Crooks. 

1964. Water resources of Puerto Rico, a progress report. 

Water Resour. Bull. 4. U.S. Geol. Surv. in coop. with 

the Commonw. of P.R., San Juan, P.R. 102 p. 

Bonnet, J. [Juan] A: 

1940. Phosphoric acid and silica of Puerto Rico soils. 

Journ. Agric. of UPR 24(4):143-150. 
87. Bonnet, J. [Juan] A. 

1941. Chemical data of Puerto Rico soils. Agric. Exp. 

Stn. Bull. 1, ~fo Piedras, P-R. 53 p. 

Correlation of data for humid and arid areas. Field response 

of crops to available phosphorus and potash in soils. 

88. Bonnet, J. [Juan] A., and M. A. Lugo L6pez. 

1950. Relative erosiveness of Puerto Rico soils. 

Journ, Agric. of UPR 34 (3) :294-307. 

89. Bonnet, Juan A. 

1974. Aspectos cientificos-tecnol6gicos de la calidad 

ambiental del aire, las aguas y 10s suelos aplicados a 

Puerto Rico. Departamento de 1nstrucci6n Piiblica, Estad0 Libre Asociado de Puerto Rico. 

Scientific-technological aspects of the environmental 

quality of the air, water, and soils of Puerto Rico. 

90. Boone, R. S. , and M, Chudnoff. 

1970. Variations in wood density of the mahoganies of 

Mexico and Central America. Turrialba 20(3):360-371. 

91. Boone, R. S., and M. Chudnoff. 

1972. Compression wood formation and other characteristics of plantation-grown Pinus caribaea. U.S. Dep. 

Agric. For. Serv. Res. Pap. ITF-13, 16 p. U.S. Dep. 

Agric., For. Serv., Inst. of Trop. For., Rlo ~iedras, 

P.R. [Discontinued series]. 

Trees from four plantations were sampled to determine the 

amount, orientation, and effect of compression wood on 

physical and mechanical properties of 8-10 year old Pinus 

caribaea grown in Puerto Rico. 

92. Boone, R. S., M. Chudnoff, and E.Goytfa. 

1969. Chemical control of bostrichidae during air drying 

of fence posts. U.S. Dep. Agric. For. Serv., Res. Pap. 

ITF-8, 8 p. U.S. Dep. Agric. For. Serv., Inst. of Trop. 

For., Rio Piedras, P.R. [Discontinued series]. 

Insecticides other than borax and BHC formulations and 

various methods of application have been investigated to 

halt attacks of a bostrichid (Tetrapriocera longicornis) 

during air drying of small diameter posts. 

93. Bovey, R. W., C. C. Dowler, and J. D. ~faz ~ol6n. 

1969. Response of tropical vegetation to herbicides. 

Weed Sci. Urb. 17 (3) :285-290. 

The effectiveness of several herbicides and herbicide cornbinations for desiccation, defoliation, and control of tropical woody plants at different times of year was investigated in Puerto Rico in 1966 and 1967. A number of mixtures 

gave control at low dosages, and further study was 

recommended. 
Bowdish, B. S. 

1902-1903. Birds of Porto Rico. Auk 19:356-366; 20:lO-23. 

Brau, Salvador. 

1909, La fundaci6n de Ponce. La Dernocracia, San Juan, 

P.R* E;. 42. 

The -founding of Ponce, Puerto Rico. 

Brau, Salvador, 

1930- La colonizaci6n de Puerto Rico, 2d, ed, San Juan, 

Tip. Cantero, Fernsndez y Cla. 510 p. 

The colonization of Puerto Rico. 

Briggs, J. P., and J. P. Akers. 

1965. Hydrogeologic map of Puerto Rico and adjacent 

islands. Water Resour. Bull. 22. - In D. B. Bogart, 

T. Arnow, and J, W. Crooks. U.S. Geol. Surv. in coop, 

with the Commonw. of P.R., San Juan, P.R. 

Briscoe, C. B. 

1959. Early results of mycorrhizal inoculation of pine 

in Puerto Rico. Caribb. For, 20 (3/4) : 73-77. 

Briscoe, C. B. 

1960. Arranque o extracci6n de arbolitos de Pino. U.S. 

Dep. Agric, For. Serv., Apuntes Forestales Tropicales 

No. 3, 2 p. U.S. Dep. Agric. For. Serv., Tropical 

Forest Research Center, [now named Inst. of Trop. For.], 

Rfo Piedras, P.R. [Discontinued series]. 

English version published as Tropical Forest Note No. 3, 

entitled "Lifting pine seedling." 

Briscoe, C. B. 

1960. Lifting pine seedlings. U.S. Dep. Agric. For. 

Serv., Tropical Forest Notes No. 3, 2 p. U.S. Dep. 

Agric. For. Serv., Tropical Forest Research Center 

[now named Institute of Tropical Forestry], R~O Piedras, 

P. R. [Discontinued Series] . 

Spanish version published as Apuntes Forestales Troplcales 

No. 3, entitled "Arranque o extracci6n de arbolitos de Pino." 

Briscoe, C. B. 

1961. Ensayos de plantaci6n estadisticamente vdlidos. 

Instituto de Dasonomfa Tropical (Inst. of Trop. For.), 

R~O Piedras, P.R. Caribb. For. 22(3/4):64-68. [paper 

entitled "Statistically valid planting trials," presented at the second World Eucalyptus Conference, Brazil 

19611, 

Briscoe, C. B, 

1962. Crecirniento en dismetro de 10s 6rboles en 10s cerros de la regi6n caliza seca. U.S. Dep. Agric. For. 

Serv., Apuntes Forestales Tropicales No. 12, 2 p. U.S. 

Dep. Agric. For. Serv., Instituto de Dasonomfa Tropical 
(Inst. of Trop. For.), RIo Piedras, P.R. 

[Discontinued series] . 

English version published as Trop. For. Note No. 12 

entitled "Tree diameter growth in the dry limestone hills." 

103. Briscoe, C. B. 

1962. Early lifting of pine seedlings. U.S. Dep. Agric. 

For. Serv., Tropical Forest Notes No. 10, 2 p. U.S. 

Dep* Agric. For. Serv., Inst. of Trop. For. Serv., 

Kio Piedras, P.R. [Discontinued 

series] . 

Spanish version published as Apuntes Forestales Tropicales 

No. 10, entitled "Extracci6n adelantada de arbolitos de 

pino. " 

104. Briscoe, C. B. 

1962. ~xtracci6n adelantada de arbolitos de Pino. U.S. 

Dep. Agric. For. Serv., Apuntes Forestales Tropicales 

No. 10, 2 p. U.S. Dep. Agric. For. Serv., Instituto de 

Dasonomra Tropical [Inst. of Trop. For.], RIo Piedras, 

P . R. [Discontinued series] , 

English version published as Tropical Forestry Note No, 10, 

entitled "Early lifting of pine seedlings." 

105. Briscoe, C. B. 

1962. Medici4n del crecimiento de 10s grboles en 10s 

bosyues tropicales, Caribb. For. 23(1):15-20. [paper 

entitled "Measurement of tree growth in tropical forests," 

presented at the Tenth Pacific Science Congress, 

Hawaii, 19611. 

106. Briscoe, C. B. 

1962. Tree diameter growth in the dry limestone hills. 

U.S. Dep. Agric. For, Serv., Tropical Forest aote ho. 12, 

2 p. U.S. Dep. Agric. For. Serv., Inst. of Trop. For., 

Rfo Piedras, P.R. [Discontinued series]. 

Spanish version published as Apuntes Forestales Tropicales 

No. 12, entitled "Crecimiento en digmetro de 10s Srboles 

en 10s cerros de la regi6n caliza seca." 

107. Briscoe, C. B. 

1965. Initial field testing for forest tree improvement. 

J. Oxford Univ. For. Soc. 5(13):16-21. 

108. Briscoe, C. B. 

1966. Minimizing experimental error in thinning research. 

Sixth World For. Gong., Madrid. 9 p. 
109. Briscoe, C. B. 

1966. Weather in the Luquillo Mountains of Puerto 

Rico. U.S. Dep. Agric. For. Serv., Res. Pap. ITF-3, 

250 p. U.S. Dep. Agric. For. Serv., Inst. of Trop. 

For,, RTo Piedras, P.R. [Discontinued series]. 

From 1958 through 1962 the U.S. Army and the Forest Service 

recorded information on temperature, humidity, wind, light,and 

rainfall at 13 locations in and near the Luquillo Mountains 

of Puerto Rico. Selected aspects of the information collected are summarized in the 17 tables accompanying this 

paper . 

110. Briscoe, C. B., and M. Chudnoff. 

1964. Counting tree growth rings moderately difficult 

to distinguish. U.S. Dep. Agric. For. Serv., Res. 

Note ITF-1, 2 p. U.S. Dep. Agric. For. Serv., Inst. 

of Trop. For., RXO Piedras, P.R. [Discontinued series]. 

111. Briscoe, C. B., J.B. Harris, and D. Wyckoff. 

1963. Variation of specific gravity in plantationgrown trees of bigleaf mahogany. Caribb. For. 

24 (2) : 67-74. 

112. Briscoe, C. B., and F. B. Lamb. 

1962, Leaf size in Swietenia. Caribb. For. 

23 (2) : 112-115. 

113. Briscoe, C. B. y Jose Marrero. 

1962. La repoblaci6n forestal en las tierras arenosas 

de Puerto Rico. Rev. de Agr. de P.R. 49 (1) :129-136. 

Reforestation in the sandy areas of Puerto Rico. 

114. Briscoe, C. B., and R. W. Nobles. 

1962, Crecimiento en altura de arbolitos de caoba. 

U.S. Dep. Agric. For. Serv., Apuntes Forestales 

Tropicales No. 13, 2 p. U.S. Dep. Agric. For. Serv., 

Instituto de Dasonomfa Tropical (Inst. of Trop. For.), 

Rfo Piedras, P.R. [Discontinued series]. 

English version published as Tropical Forest Note No. 13, 

entitled "Height growth of mahogany seedlings." 

115. Briscoe, C. B., and R. W. Nobles. 

1962. Height growth of mahogany seedlings. U.S. Dep. 

Agric. For. Serv., Tropical Forest Note No. 13. 2 p. 

U.S. Dep. Agric. For. Serv., Inst. of Trop. For., Rfo 

Piedras P.R. [Discontinued series] 

Spanish version published as Apuntes Forestales Tropicales 

No. 13, entitled "Crecimiento en altura de arbolitos de 

caoba. I' 
116. Briscoe, C. B., and R. W. Nobles. 

1966. Effects of pruning teak. U.S. Dep. Agric. For. 

Serv., Res. Note ITF-11, 6 p. U.S. Dep. Agric. For. 

Serv., Inst. of Trop. For., Rlo Piedras, P,R, 

[Discontinued series] , 

Teak plantations, 8 to 10 years old, were pruned to improve 

log quality. 

117. Briscoe, C. B., and J, A. Vozzo. 

1963. The response of Honduras Pine to various photoperiods. Caribb. For. 24(1):53-55. 

118. Briscoe, C. B,, and F. H, Wadsworth. 

1970. Stand structure and yield in the Tabonuco Forest 

of Puerto Rico. In A tropical rain forest: a study 

of irradiation andecology at El Verde, Puerto Rico. 

Howard T. Odurn and Robert F. Pigeon, eds. Ch. B-6, 

p. B 79-B 89. USAEC, Oak Ridge, Tn. 

Permanent plots established in 1943 to study growth in the 

Tabonuco forest type in Puerto Rico indicates that the 

relation of mortality to diameter at breast height for understory species is independent of the relation for canopy 

species. 

119. Briscoe, @. B., and ~a61 Ybarra-Coronado. 

1971. Increasing growth of established teak. U.S. Dep. 

Agric. For. Serv., Res. Note ITF-13, 7 p. U.S. Dep. 

Agric. For. Serv., Inst. of Trop. For., R~O Piedras, 

P . R. [Discontinued series] . 

Teak plantations, 3 to 16 years old, were thinned and 

fertilized in an effort to increase productivity. 

120. Britton, N. L. 

1906. Recent botanical exploration in Porto Rico. 

J. N.Y. Bot. Gard. 7:125-139, figs. 4-12. 

Narrative of a collecting trip which included a visit to 

Culebra Island in 1906. 

121. Britton, N, L. 

1914. Botanical exploration in Porto Rico and islands 

adjacent. J. N.Y. Bot. Gard. 15:95-103, pl. 132-134. 

Narrative of botanical collecting in 1914 on the mainland 

of Puerto Rico and on the islands Mona and Desecheo in the 

Mona Passage. 

122, Britton, N. L. 

1915. Further botanical exploration in Porto Rico. 

J. N.Y. Bot. Gard. 16:103-112. 

Narrative of studies along the western and southern coasts 

of Puerto Rico and a visit to the island of Cayo Muertos. 
Britton, No L. 

1915. The vegetation of Mona Island. Ann. Mo. Bot. 

Gard. 2:33-56, pl. 1, 2. 

A description of Mona Island and a catalog of the species 

found there, 

~ritton, N. L. 

1916. Undescribed species from Porto Rico. Bull. Torr. 

Club 43:456-458. 

Description of six tree species. 

Britton, N. L. 

1916. The vegetation of Anegada. Mem. N.Y. Bot. Gard. 

6:565--580. 

A description of this island and a catalog of species. 

Britton, N. L. 

1918. The flora of the American Virgin Islands. 

Brooklyn Bot. Gard. Mem. 1:19-118. 

Britton, N. L. 

1919. The scientific survey of Porto Rico and the 

Virgin Islands. J. N.Y. Bot. Gard. 20:220-221. 

Record of the publication of Volume I, Part I of the 

Scientific Survey of Porto Rico and the Virgin Islands. 

Britton, N. L. 

1922. Botanical investigation in Porto Rico. J. N.Y. 

Bot. Gard. 23:49-59, 

Narrative of collecting plants in many parts of the island. 

Britton, N. L. 

1923. Botanical exploration of Porto Rico and the Virgin 

Islands. J. N.Y. Bot. Gard. 24:93-99. 

Narrative of collecting in parts of Puerto Rico and its 

island Cayo Icacos; on St. Thomas, and St. Croix in 1923. 

Britton, N. L. 

1923. Undescribed species from Porto Rico. Bull. Torr. 

Club 50:55-56. 

A description of six tree species. 

Britton, N. L, 

1924. Descriptive flora of Porto Rico and the Virgin 

Islands. J. N.Y. Bot. Gard. 25:129-135. 

Narrative of botanical and horticultural observations and 

collections on Puerto Rico and St. Thomas in 1924. 
132. Britton, N. L. 

1924. Undescribed species from Porto Rico. Bull. Torr. 

Club 51: 10-12. 

Descriptions of seven tree species. 

133. Britton, N, L. 

1924. La vegetaci6n de Cayo Icacos. Rev. de Agr. de P.R. 

12:91-96, 

Description of the small island, Cayo Icacos, and catalog 

of species found there. 

134. Britton, N. L. 

1925. Botany and horticulture of Porto Rico and the 

Virgin Islands. J. N,Y. Bot. Gard. 26:97-102. 

Narrative of a collecting trip in Puerto Rico and St. Thomas 

in 1925, 

135. Britton, N. L. 

1925. El Plantel del Servicio Forestal de Puerto Rico. 

Rev. de Agr. de P.R. 14(2):83-84. 

136. Britton, N. L. 

1926. Further botanical investigation in Porto Rico. 

J. N.Y. bot. Gard. 2797-102. 

Studies made in 1926, especially of plants introduced by 

the Forest Service and by the University of Puerto Rico 

Agricultural Experiment Station. 

137. Britton, N. L. 

1926. Tree-ferns in Porto Rico. J.N.Y. Bot. Gard. 

27 :88-90. 

An account of the distribution of tree ferns in Puerto Rico. 

138. Britton, N. L. 

1926. An undescribed tree of Porto Rico. Bull. Torr. 

Club 53:471. 

Description of Paralabatia portoricensis Britton & Wilson. 

139. Britton, N. L. 

1928. Forestry and agriculture in Porto Rico. J. N.Y. 

Bot. Gard. 29:lOl-104. 

An account of the development of these subjects which 

includes studies of the plant collections at the Agricultural 

Experiment Station and the Forestry Station. 
140. Britton, N. L. 

1929, Further studies in Porto Rico. J. N.Y. Bot. Gard. 

30:lOl-105. 

A report on supplemental studies of native and introduced 

plants, 

141. Britton, N. L, 

1930. The native Cactaceae of Porto Rico and the Virgin 

Islands. J. Cactus & Succ, Sac, 1:226-231. 

Discussion and descriptions of fifteen species of cacti, 

with references to the genus Consolea. 

142. Britton, N. L. 

1930. Scientific survey of Porto Rico and the Virgin 

Islands. J, N.Y. Bot, Gard. 31:161-167. [Also - In 

Rev. de Obras Pub. de Puerto Rico 7:242-2451. 

The investigation and observations made from November 1929 

to April 1930. 

143. Britton, N. L., and Percy Wilson. 

1924. Scientific Survey of Porto Rico and the Virgin 

Islands. Botany of Porto Rico and the Virgin Islands. 

V. 5, Part 1-4, 626 p, N.Y. Acad. Sci., New York. 

Descriptions of orders, families , genera and species, 

with keys, synonymy, and geographic distribution of the 

species, and their Spanish and English names. Perhaps the 

plant life of no other area of equal size in the world has 

been as adequately covered as the flora of Porto Rico has 

been in this work. 

144. Britton, N. L., and Percy Wilson. 

1925. Scientific Survey of Porto Rico and the Virgin 

Islands. Botany of Porto Rico and the Virgin Islands. 

Vol. 6, Parts 1-4, 663 p. N,Y. Acad. Sci., New York. 

Descriptions of orders, families, genera and species, 

with keys, synonymy, and geographic distribution of the 

species, and their Spanish and English names . Perhaps 

the plant life of no other area of equal size in the world 

has been as adequately covered as the flora of Porto Rico 

has been in this work. 

145, Broom, Ruth, 

1945. Hace elogio del desarrollo forestal aquz en P.R. 

invitado a reuni6n de comit6 de la Comisi6n del 

Caribe, El Mundo [San Juan, P.R.], Nov. 2, 1945. p. 15. 

Praise to the forestry development in Puerto Rico by a guest 

of the Committee of the Caribbean Commission. 
146. Bruner, E. Murray. 

1918. Report upon the preliminary examination of the 

timber and fuel resources of the Luquillo Kational 

Forest. U.S. For. Serv,, RXo Piedras, P.R. 20 p. 

[Unpublished] . 

147. Bruner, E. N, [Murray], 

1919. Algunos de 10s problemas concernientes a la silvicultura en Puerto Rico. Rev. de Wgr. de P.R. 2(5):12-16. 

An article relating some of the problems concerning silviculture in Puerto Rico. 

148. Bruner, E, Murray. 

1919. El Bosque Nacional de Luquillo. Rev. de Agr. de 

P.R. 2 (5) : 33-42, 

Description of the Caribbean National Forest. 

149. Bruner, E. Murray. 

1919. Los manglares de Puerto Rico. Rev. de Agr. de 

P.R. 2(5):19-27. 

The mangroves of Puerto Rico. 

150. Bruner, E. Murray. '1 1920. La importancia de la silvicultura para 10s agricultores de Puerto Rico. Rev. de Agr. y Corn. [Puerto 

Rico] 5 (3) : 19-24. 

The importance of silviculture to the farmers of Puerto Rico. 

151. Bruner, E. Murray. 

1920. Programa del Servicio de Bosques. Rev. de Agr. 

de P.R. 4 (1) :39-44. 

Program of the Forest Service. 

152. Bruner, E. Murray. 

1922. Informe de la situaci6n de la silvicultura de 

Puerto Rico segdn ha sido requerido por el Comite 

Consultivo nombrado por la Junta de Comercio de 10s 

Estados Unidos. Rev. de Agr. de P.R. 8 (6) :33-38. 

Report on the silvicultural situation in Puerto Rico as 

required by the Consultative Committee named by the U.S. 

Dep. of Comm. 

153, Bruner, E. Murray. 

1922. Timber resources of the Luquillo Mountains, 

including the ~uquillo National Forest and adjoining 

privately owned lands. 20 p. U.S. For. Serv., Rlo 

Piedras, P.R. [Unpublished]. 
Brush, Virgil D. 

1925. Condicidn de las plantaciones forestales en 10s 

bosques insulares de Maricao y Gubnica. Rev. de Agr. 

de P.R. 14(2):88-96. 

Condition of the forest plantations of the insular forests 

of Maricao and Gubnica, Puerto Rico. 0 

Brush, Virgil D. 

1925. Progreso y desenvolvimiento del Plantel del Servicio Forestal Insular. Rev. de Agr. de P.R. 

14 (2) : 113-131. 

The progress and development of the insular Forest Service 

in Puerto Rico. 

Brush, V.[Virgil] D., and Louis S. Murray. 

1916. Trees of Puerto Rico Appendix I, Bull. 354, 

p. 56-97. U.S. Dep. of Agric., Washington, D.C. 

Brush, W. [Warren] D. 

1938. Lignumvitae (Guajacum spp.) U.S. 14 p. Dep. Agric. 

For. Serv., Inf. Lflt. U.S. Gov. Print. Off., 

Washington, D.C. 

Brush, W. [Warren] D. 

1945. Balsa (Ochroma lagopus Sw) U.S. 14 p. Dep. Agric. 

For. Serv., Inf. Lflt. U.S. Gov. Print. Off., 

Washington, D.C. 

Budowski, Gerardo . 1956. Regeneration systems in tropical American lowlands. Caribb. For. 17(3/4):76-91. 

Spanish Translation In Boletfn de la Sociedad Dason6mica 

de la Arn6rica ~ro~icx. NGmero Especial (La Habana, Cuba, 

julio 1956), passbm. 

Budowski, Gerardo. 

1956. Tropical savannas, a sequence of forest felling 

and repeated burning. Turrialba 6(1/2):23-33. 

Buell, Peter F., and Pierre Dansereau. 

1966. Analysis and mapping of the Roosevelt Roads area. 

Part 11, p. 47-287. In Studies of the vegetation of 

Puerto Rico. ~~ecialPubl. No. 1 Univ. of P.R., 

Inst. Caribb. Sci., Mayaguez, P.R. 

Buol, S. W., ed. 

1973. Soils of -the Southern States and Puerto Rico. 

Southern Cooperative Series Bull. No. 174. A joint 

regional publication including appendices and map ~y 

the Agricultural Experiment Stations of the Southern 

States and P.R. Land Grant Universities with cooperative assistance by the SCS of the U.S. Dep. Agric. 
163. Burkholder, P. R., and L. M. Burkholder. 

1958. Studies on B vitamins in relation to productivity 

of the BahXa Fosforescente, Puerto Rico. Bull. Mar. 

Sci. Gulf and Caribb. 8:201-223. 

164. Byer, Michael D. and Peter L. Weaver. 

1977. Early secondary succession in an Elfin Woodland 

in the Luquillo Mountains of Puerto Rico. 

Biotr6pica 9 (1) : 35-47. 

165. Cabrera, Alba Raquel, and Maggie Bobb. 

1978. Mgdicos piden E.U. detenga siembra. Asoc. ve 

suicidio ecol6gico reforestaci6n Pino Hondurefio. 

El Mundo [San Juan, P.R.], Apr. 11, 1978. p. 15-A. 

In this article, medical doctors of the island ask the U.S. 

government to stop planting the Honduras pine as they claim i

affects the ecology in a harmful way. 

166. Calvesbert, R.[Robert] J. 

1967. Climatology of meterological drought in Puerto 

Rico. In B. Floy, ed., proceedings of a conference on 

-climat0i6~~ and related fields in the Caribbean. 

p. 42-56. Univ. of the West Indies, Mona, and Jamaica. 

167. Calvesbert, R.[Robert] J. 

1970. Climate of Puerto Rico and U.S. Virgin Islands. 

Climatography of the U.S. No. 60-52, Climates of the 

States. 29 p. U.S. Dep. Comm., Washington, D.C. 

168. Calvesbert, Robert J. 

1973. The climate of Mona Island. In Mona and Monito 

Islands: an assessment of their natural and 

historical resources. V. 11, App. A, p. A-1 - A-11. 

Junta de Calidad Ambiental [Environ. Qual. Bd.] 

San Juan, P.R. 

169. Campbell, D. S. 

1947. The geography of the coffee industry of Puerto 

Rico. Ph.D. thesis. Dep. of Geog., Univ. of 

Chicago. 

170. Candelas, G., G. Cintr6n, and M. Dfaz-Piferrer. 

1967. Estudio ecol6gico de la Laguna Grande y el drea 

que la circunda. (Manuscript) Dep. of Biol. , Rio 

Piedras Campus, Univ. of Puerto Rico. 

Ecological study of the Laguna Grande in Puerto Rico and 

the surrounding area. 

171. Candelas, G., J. L. SuSrez, and J. M. Valles. 

1971. Estudio ecol6gico del manglar entre RXO Mameyes 

y Punta Percha (Puerto Rico). Report for the Palmer 

Development Corp., Puerto Rico. 

Ecological study of the mangroves between Rlo Mameyes and 

Punta Percha, Puerto Rico. 
Canoy, Michael J. 

1970. Deoxyribonucleic acid in rain forest leaves. 

- In A tropical rain forest: a study of irradiation and 

ecology at El Verde, Puerto Rico. Howard T, Odum and 

Robert F. Pigeon, eds. Ch. G-6, p. G 69 - G 70. 

USAEC, Oak Ridge, Tn. 

A study of DNA in the montane rain forest at El Verde, 

Puerto Rico used the Schmidt-Thannhauser extraction technique and Burton's modification of the Dische diphenylamine 

reaction 

Canoy, M. [Michael] . 1974. Diversity and stability in a Puerto Rican 

Rhizophora mangle L. forest. In Proceedings of international Symposium on Biology and Management of 

Mangroves, Part I. Inst. Food and Agric. Sci., Univ. 

of Fla. Gainsville. 

Caribbean National Forest, Forest Service, USDA. 

[n-d.]. La Higuaca. Puerto Rico's endangered parrot. 

4 p. U.S. Dep. Agric. For. Serv., Caribb. National 

For., R~O Piedras, P.R. (also in Spanish: "La Higuaca. 

Cotorra Puertorriquefia en peligro de extinci6n."). 

Caribbean National Forest, Forest Service, USDAo 

1941. The Caribbean National Forest in Puerto Rico. 

Rev. de Agr. de P.R. 33(2):301-312. 

Carlozzi, Carl A., and Alice A. Carlozzi. 

1969. Conservation and Caribbean Regional progress. 

Review Ln J. For. 67 (4) :262. 

Carrera, C., and A. E. Lugo. 

1978. Los sistemas de mangles de Puerto Rico. Programa 

de la zona costanera, Depto. de Rec. Nat., San Juan, 

P.R. 102 p., 3 app., 32 figs., 17 tbls., 179 refs. 

Carroll, Henry King. 

1899. Report on the island of Porto ~ico, its population, 

government, commerce, industries, productions, roads, 

tariff, and currency, with recommendation. 813 p, 

U.S. Treas. Dep., Doc. 2118, U.S. Gov. Print. Off., 

Washington, DOC. 

Carter, Oliver R. 

1965. Soil survey of the Lajas Valley Area, Puerto Rico. 

Rfo Piedras, Univ. sf P.R. Agric. Exp. Stn., P.R. 
180. Centro de Investigaciones Forestales Tropicales [Tropical 

Forest Research Center, now named Institute of Tropical 

Forestry] . 1959. Labor forestal en Puerto Rico. Boletfn Forestal. 

4 p. For. Serv., U.S. Dep. Agric. Rfo Piedras, P.R. 

The development of forestry in Puerto Rico by the Division 

of Forests, Fish and Wildlife of the P.R. Dep. Agric. and 

Comm., and the Inst. Trop. For., For. Serv., USDA. 

181. Cerame-Vivas , Maximo [ J] . 1970. Desaparece manglar, arrecife. El Mundo [San Juan, 

P.R.], June 13, 1970, p. 10-B 

The disappearance of the mangroves in the reefs of Puerto 

Rico. 

182. Cerame-Vivas, M.[Maximo] J,, Inc. 

1974. Mangroves of Puerto Rico. P.F.Z. Properties, 

Inc., San Juan, P.R. 61 p. 

The P.F.Z. Properties, Inc., in its plans to develop the 

Vacfa Talega-Pifiones-Torrecilla area in Puerto Rico, hired 

an environmental consulting firm to advise the company of 

the existing ecosystems in the area. The report was 

published and includes many color photos, an appendix 

listing the algae, vegetation, invertebrates, fishes, 

herpetology, birds, and mammals, and a reference list. 

183. Chalmers, W. S. 

1958. Observations on some Caribbean forests. Caribb. 

For. 19 (112) :30-42. 

184. Chapman, V. J. 

1962. Respiration studies of mangrove seedlings, 11. 

Respiration in air. Bull. Mar. Sci. Gulf and 

Caribb. 12:245-263. 

185. Chudnoff, M. 

1967. Post incising machine design. For. Prod. J. 

17: 33-34. 

186. Chudnoff, M. 

1969. Research needs. In Proc. of Conference on Tropical 

Hardwoods at State ~nic, Coll. of For. at Syracuse 

Univ., Syracuse, N.Y., Aug. 18-21, 1969. State Univ., 

Coll. of For. at Syracuse Univ., Syracuse, N.Y., 

p. 10-1 - 10-10. 

187. Chudnoff, M. 

1970. Water assay for treatability of wood. For. Prod. 

J. 20 (9) : 103-107. 
188, Chudnoff, M., R. S. Boone, and E. ~oytia. 

1967. Preservative treatments and service life of 

fence posts in Puerto Rico, U.S. Dep. Agric. For. 

Serv., Res. Pap, ITF-4, 33p. U.S. Dep. Agric. For, 

Serv., Inst. Trop. For,, Rxo Piedras, P.R. 

[Discontinued series]. 

Thia initial all-inclusive report on low investment nonpressure wood preservations techniques describes in 

detail the materials and treatment methods used, the 

chemical retentions, and soil and climate at each plot. 

It also reviews the condition of the posts up through a 

September 1963 inspection. 

189. Chudnoff, M., R. S. Boone, and E. Goytfa. 

1969. Preservative treatments and service life of 

fence posts in P.R. (Progress Report). US. Dep, 

Agric. For. Serv., Res. Pap. ITF-10, 30p. U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., Rfo Piedras, P.R. 

[Discontinued series] . 

Third comprehensive progress report on low investment 

non-pressure wood preservation techniques for fence posts, 

About 6,700 treated and non-treated control posts representing some 70 species are under study. 

190. Chudnoff, M., and T. F. Geary. 

1973. On the heritability of wood density in Swietenia 

macrophylla. Turrialba 23(3):359-362. 

191. Chudnoff, M., and T. F. Geary. 

1973. Terminal shoot elongation and cambial growth rhythms 

in Pinus caribaea. Commonw. For. Rev. 52(4), $40. - 154:317-324. 

192. Chudnoff, M., and E. Goytla. 

1367. Dimensional stabilization of tropical hardwoods 

with polyethylene glycol. Turrialba 17 

193. Chudnoff, M., and E. Goytfa. 

1967. The effect of incising on drying, treatability, 

and bending strength of posts. U.S. Dep. Agric. For. 

Serv., Res. Pap. ITF-5, 20p. U.S. Dep. Agric. Inst. 

Trop. For., Rlo Piedras, P.R. [Discontinued series] 

A brief description of a commercially feasible post 

incising machine is given, Groundline incising together 

with a single universal hot-and-cold bath schedule was 

tested as a practical method of treating batches of mixed 

species. 

194. Chudnoff, M., and E. Goytfa. 

1967. Spindle carving of tropical hardwoods. Turrialba 

17 (4) : 430-435 . 
195. Chudnoff, M., and E. ~oytfa. 

1971. Treatability of Puerto Rican woods. U.S. Dep. 

Agric. For. Serv., Res. Pap. ITF-11, 8p. U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., Ria Piedras, P.R. 

[Discontinued series]. 

A simple but highly sensitive wafer assay was used to 

classify the treatability of the more common woods of 

Puerto Rico and the Virgin Islands. Sapwood only was 

tested to reflect the large number of small diameter trees 

available for posts and short poles. 

196. Chudnoff, M., and E. Goytia. 

1972. Preservative treatments and service life of fence 

posts in P.R. (1972 Progress Report). U.S. Dep. Agric. 

For. Serv., Res. Pap. ITF-12, 28p. U.S. Dep. Agrie. 

For. Serv., Inst. Trop. For., Rfo Piedras, P.R. 

[Discontinued series], 

This fourth comprehensive progress report on low investment 

non-pressure wood preservation techniques describes in 

detail the materials and treatment methods used, the 

chemical retentions, and soil and climate at each plot. 

It also reviews the condition of the posts through the 

April 1972 inspection. Most of the posts have been in 

service for 13 years and some tentative as well as final 

conclusions are made. 

197. Chudnoff, M., E. D. Maldonado, and E. Goytfa. 

1966. Secado de maderas latifoliadas tropicales en 

secadora solar. or. Serv., Inst. Trop. For. Res. 

Pap. ITF-2 entitled: "Solar drying of tropical 

hardwoods."] Bull. 23, p. 43-64. Instituto Forestal 

Latino-americano de Investigacidn y Capacitacidn, 

1967, MErida, Venezuela. 

Solar and air drying time of seven charges of Honduras 

mahogany of varying thicknesses and one mixed charge of 

11 hardwoods species has been determined. 

198. Chudnoff, M., and R. Wawriew. 

1969. Effectiveness of groundline treatments of 

creosoted pine poles under tropical exposure, an 

interim report. Turrialba' 19(1):117-125. 

Second interim report, 1970. Comunicaciones, Turrialba 

20 (3) : 367-368. 

199, Chudnoff, Martin. 

1971. Void volume wood: an any tree-whole tree 

use concept. For. Prod. J. 22(6):49-53. 
200. Cintr6nf B., J. ~onz6lez-~iboy, and A. E. Lugo. 

1976. Floristic composition of the Gu6nica Forest 

with respect to litter production, p. 191-216. In 

E. Cardona (ed.). Segundo Simp. del Depto. de RZ. 

Nat., San Juan, P,R. 

201. Cintrbn, Gilberto, 

01970. Niche separation of tree frogs in the Luquillo 

Forest. In A tropical rain forest: a study of 

irradiation and ecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. E-3, 

p. E 51 - E 53. USAEC, Oak Ridge, Tn. 

Local distribution of tree frogs was studied in the 

vegetation of the Luquillo Forest at two stations. 

Examinations of stomach contents suggests that their food 

includes predominantly beetles and ants. 

202. cintrbn, Gilberto. 

1970. Variation in size and frequency of stomata with 

altitude in the Luquillo Mountains. In A tropical 

rain forest: a study of irradiation and ecology at 

El Verde, Puerto Rico. Howard T. Odum and Robert F. 

Pigeon, eds. Ch. H-9, p. H 133 - H 135. USAEC, 

Oak Ridge, Tn. 

Measurements of stomata1 numbers and sized were made in 

leaves of the Luquillo Forest. Larger sized stomata and 

larger numbers of stomata were found in spedies inhabiting 

higher altitudes where the air remains close to saturation. 

203. CintrGn, G. [Gilberto], A. Lugo, D. Pool, and G. orris. 

1977. Los manglares de las costas Sridas de Puerto 

Rico e islas adyacentes. Memorias del I1 Simp, 

Latino-americano sobre ~ceanograffa ~iol6gica 

2:137-150. Univ. de Oriente, Cumand, Venezuela. 

204. Cintr6nf Gilberto, Ariel Lugo, Douglas J. Pool, and 

Greg Morris. 

1978. Mangroves of arid environments in Puerto Rico 

and adjacent islands, Biotropica 10(2):110-121. 

205. CintrGn, Jos6 Ro 

1946. Problemas forestales. El Mundo [San Juan, P.R.1, 

Dec. 1, 1946. p. 9. 

Forestry problems in Puerto Rico. 

206. Cintrbn, Jos6 R. 

1961. El Guayacdn: %rbol maderable y ornamental. 

El Nundo [Sxn Juan, P.R.], Dec. 25, 1961. p. 11 

Lignumvitae: timber and ornamental tree. 
207. Cintrbn, JOSE R, 

1964, Arboles maderables y de sombra: la Jacana, 

El Mundo [San Juan, P.R.], May 11, 1964. p. 11. 

The Jacana: a timber and shade tree. 

208. Gintr6n, Molero G, 

1972. Storm damage and recovery in Puerto Rican 

mangrove swamp. Environmental Quality Board. 

Santurce, P-Re 

209, Clark, H. L. 

1943, A handbook of the littoral echinoderxis of Porto 

Rico and the other West Indian Islands, Scientific 

Survey of Porto Rico and the Virgin Islands 

16 (1) : 1-147 . 

210, Clark, Vfctor Seldom, and others. 

1930. Porto Rico and its problems, p, 707, Brookings 

Inst., Washington, D.C. 

211. Clegg, Albert G. 

1963. Rainfall interception in a tropical forest. 

Caribb, For. 24(2):75-79, 

212. Clements, Richard G., and Jos6 A, col6n1975. The rainfall interception process and mineral 

cycling in a montane rain forest in eastern Puerto 

Rico, In Mineral cycline in southeastern ecosystems, 

Proc. oFa symposium at Augusta, Ga., May 1-3, 1974, 

sponsored by Savannah River Ecology Lab., Inst, of 

Ecology, U. of Ga., and Div. of Biomedical and Env, 

Res,, U.S. Atomic Energy Comm. Fred G. Howell, John 

B. Gentry, and Michael H. Smith, eds. p. 813-823. 

U,S. Energy Res, and Dev. Adm, 

A comprehensive interception study was carried out in a 

montane rain forest in eastern Puerto Rico. Results 

indicate that the factors of intensity, duration, and 

overall distribution of storms by storm size must be taken 

into consideration when determining the fate of isotopes 

that reach the forest via rainfall. 

213. Clements, Richard G., George E. Drewry, and Robert J. 

Lavigne . 1970, The Rain Forest Project Annual Report. USAEC 

Report PRNG-147. 142 p. Puerto Rico Nuclear Center, 

Univ. of P.R., Rlo Piedras, P.R, 

The findings of two new objectives of a seven-year 

Terrestrial Ecology Program are discussed: the effects 

of gamma radiation on a tropical forest ecosystem and 

the measurement of fall-out nuclides in the rain forest 

system. 
Clifford, G. 

1625. The voyage to Saint John de Porto rico, Purchas, 

His Pilgrims. Book 6, Part 4, p. 1150-1154. London. 

Coleman, David C. 

1970. Nematodes in the litter and soil of El Verde 

rain forest. In A tropical rain forest: a study 

of irradiationynd ecology at El Verde, Puerto Rico. 

Howard, T. Odum and Robert F. Pigeon, eds. Ch. E-7, 

p. E 103 - E 104. USAEC, Oak Ridge, Tn. 

Samples of litter and soil from the Puerto Rican rain 

forest were censused for nematodes in the Radiation, 

Control, and Cut Centers. Reasons for a marked decrease 

and for the extent of its duration throughout the year 

are unknown. 

Coll y Toste, Cayetano. 

1907. Prehistoria de Puerto Rico. San Juan, P.R., 

Tip. Boletfn Mercantil. 298 p. 

Coll y Toste, Cayetano. 

1914. La propiedad territorial en Puerto Rico. Bol. 

Hist. de P.R. 1:239-310. 

Coll y Toste, Cayetano. 

1923. Historia de Puerto Rico, octava conferencia. 

Bol. Hist. de P.R. 10:169-180. 

Coll y Toste, Cayetano. 

1922-23. Mina de Luquillo. (del Archivo de Coll y 

Toste). Bol. Hist. de P.R. 9/10:27-32. 

~01612, E. D. 

1930. Datos sobre la agricultura de Puerto Rico antes* 

de 1898. Information on agriculture in Puerto Rico 

before 1898. San Juan, P.R. Tip. Cantero, Fernbndez & Co., Inc, 302 p. 

Comisi6n Angloamericana del Caribe. 

1944. Recomendaciones de la delegaci6n de conservaci6n 

de suelos, aguas y bosques en la cuarta sesi6n de la 

Comisi6n Angloamericana del Caribe. (Compendio de 

las providencias tomadas en la cuarta sesi6n de la 

Comisi6n Angloamericana del Caribe efectuada del 

17 a1 21 de agosto de 1943, en la ciudad de Carlota 

Hmalia, en Santo Tombs, Islas Vfrgenes). 

Caribb. For. 5 (3) : 101-107, 

Recommendations made by the delegation of soil, water, 

and forest conservation in the fourth session of the 

Angloamerican Cornmission of the Caribbean. 
Comstock, W. P, 

1944. Insects of Porto Rico and the Virgin Islands. 

Lepidoptera. In Scientific Survey of Porto Rico 

and the ~irginslands 12(4):421-622, N.Y. Acad. 

of Sci., New York. 

Cook, M. [Melville] T. , and H.[Henry] A. [Allan] Gleason . 1927. Plant ecology of Puerto Rico. In Scientific 

Survey of Puerto Rico and the ~irgin?slands 7 (1) . 238 p., 88 pl, N.Y. Acad. of Sci., New York. 

Cook, Melville T., and Henry Allan Gleason, 

1928. Ecological survey of the flora of Puerto Rico. 

J. Dep. Agric. P.R, 12 (1/2) :3-139; '75 pl. 

Cook, 0. F, 

1901. A synopsis of the palms of Porto Rico. 

Bull. Torr. Bot. Club 28:525-569, 

Cook, 0. F., and G, N. Collins. 

1903. Economic plants of Porto Rico. Contr. U.S. 

Nat. Herb. 8(1/6):57-269, pl. XIII-LX. 

Introduction and list of economic plants, alphabetically 

arranged with notes and descriptions. 

C6rdova, J. P. 

1946. Problemas sobre la erosiBn y uso de terreno 

rn6s arriba de las represas de Dos Bocas y Caonillas. 

Rev, de Agr. de P.R. 37:251-259. 

Problems of the erosion and use of the land above the 

Dos Bocas and Caonillas Dams. 

C6rdova, Juan P. 

1949. ~Qu6 clase de tierra se adapta a1 cultivo 

forestal? 

la. mnto de vista del Servicio de Conservaci6n de 

Suelos. En Los cursos de adiestramiento. Caribb. 

For. 10 (4):277-280. 

Cbrdova, Juan P. 

1949, What kind of land is adapted to trees? 

la. Point view of the Soil Conservation Service. 

- In A farm forestry training program. Caribb. 

For. 10 (4) : 239-242. 

CBrdova, Pedro Tom& de. 

1831-33. Memorias geogrdficas, histbricas, econ6micas 

y estadfsticas de la isla de Puerto Rico. San Juan; 

en la oficina del gobierno, a cargo de D, Valeriano 

de Sanmill6n. 6 vols. 

Geographical, historical, economical, and statistical 

records of the island of Puerto Rico, 
231. Cbrdova, Pedro Tomas de. 

1838. Memoria sobre todos 10s ramas de la administracidn de la Isla de Puerto Rico. Madrid, Impresa 

de Uemes. 348 

Records of all branches of the administration of the 

Island of Puerto Rico IC 

232. Coufal, J. E. 

1962. Dry matter weight and a root-shoot-leaf ratio 

for a selected plot and tree in a Puerto Rican Rain 

Forest. Student report, State Univ. of N.Y. at 

Syracuse and U.S Dep. Agric. For. Serv., Inst. Trop. 

For., Rfo Piedras, P.R. 

233. Cowley, G. T. 

1970, Effect of radiation on the Microfungal 

populations of six litter species in the Luquillo 

Experimental Forest. In A tropical rain forest: 

a study of irradiationand ecology at El Verde, 

Puerto Rico. Howard T. Odum and Robert F. Pigeon, 

eds. Ch. F-4, p. F 25 - F 28. USAEC, Oak Ridge, Tn. 

234, Cowley, G. T. 

1970. Fleshy fungi in relation to irradiation and 

cutting in the Luquillo Experimental Forest. 

- In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. Howard T. 

Odum and Robert F. Pigeon, eds. Ch. F-1, p. F 9 - F 13. 

USAEC, Oak Riiige, Tn. 

In July and August of 1964, surveys of fleshy fungi were 

made within a 30-m radius in the Radiation and South 

Control Centers. It is suggested that the changes in 

fungi populations were due to increased exposure and to 

the differences in available substrate rather than to 

direct effects of radiation. 

235. Cowley, G. T. 

1970. Vertical study of microfungal populations on 

leaves of Dacryodes excelsa and Manilkara bidentata. 

- In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. Howard T. 

Odum and Robert F. Pigeon, eds. Ch. F-7, p. F 41 - 

F 42. USAEC, Oak Ridge, Tn. 

Population numbers of microfungi on leaf samples of 

two principal tree species were variable, but there were 

detectable differences in the species composition of the 

microbial community according to substrate tree and height. 

236. Crawford, G. L. 

1941. Programa de conservaci6n de suelo en Puerto Rico. 

- In USDA Soil Conservation Service, P~lgtodos modernos para conservaci6n de suelos en Puerto Rico. 

Washington, D.C, 
237. Crow, T. R. 

1978. Comon regressions to estimate tree biomass 

in tropical stands. Forest Science 24 (1) : 110-114. 

Regression analysis is often used to estimate tree 

biomass as a function of tree dimension, but most , 

regressions are developed for a specific species and site. 

Broader applications may be valid in some cases. These 

results suggest that comon regressions also exist for 

estimating aboveground biomass and total tree biomass. 

238, Crow, T. R., and P. L. Weaver, 

1977. Tree growth in a moist tropical forest of 

Puerto Rico. U.S. Dep. Agric. For. Serv., Res. Pap. 

ITF-22, 17 p. U.S. Dep. Agric. For. Serv., Inst, Trop, 

For., RIo Piedras, P.R. [Discontinued series]. 

Measurements taken in 1957 and again in 1975 indicate 

slow rates of diameter growth for trees in a moist tropical forest of Puerto Rico. 

239. Crum, H. A., and W. C. Steere. 

1957, The mosses of Porto Rico and the Virgin Islands, 

- In Scientific Survey of Porto Rico and the Virgin 

Islands 7(4):395-599. NwY* Acad, of Sci., New York. 

240. Curet Cuevas, Eliezer. 

1976. El desarrollo econ6mico de Puerto Rico: 

1940-1972. Puerto Rico Management Aid Center, Inc., 

San Juan. 

The economic development of Puerto Rico: 1940-1972. 

241, Curran, C. H. 

1928. Insects of Porto Rico and the Virgin Islands, 

Diptera. In Scientific Survey of Porto Rico and 

the virgin?slands 11(1):1-118. N.Y. Acad. of Sci., 

New York. 

242. Danforth, S. T. 

1926. An ecological study of the Cartagena Lagoon, 

Puerto Rico, with special references to birds, 

J, Agric, of UPR 23(1). 136 p. 

243. Danforth, S. T. 

1931. Puerto Rican ornithological records. J. Agric. 

of UPR 15 (1) : 33-106. 

244. Danforth, S. T. 

1935. Supplementary account of the birds of the 

Virgin Islands, including Culebra and adjacent 

islands pertaining to Puerto Rico, with notes on 

their food habits. J. Agric. of UPR 19(4):439-473. 
245. Danforth, S. T. 

1936. Los pdjaros de Puerto Rico. 198 p. Chicago, 

Rand McNally & Company. 

The birds of Puerto Rico. 

246. ~anforfh, S. T. 

1937. Ornithological investigations in Vieques Island, 

Puerto Rico, during December. J. Agric. of UPR 

21 (4) : 539-550. 

247. Dansereau, Pierre. 

1968. Cartographie des structures de vegetation 

Porto Rico. 

p. 423-4. Unesco, Paris. 

Mapping vegetation types in Puerto Rico. In Aerial 

surveys and integrated studies: Proc. of xe Toulouse 

Conf. (F.7 refs. from abstr.in Geogr. Abstr. 1970 2B, 

(395) O.R.S.) Eight vegetation types have been mapped 

from aerial photos, including lowland rain forest,seasona1 evergreen forest, hill scrub, semi-deciduous forest, lower 

montane rain forest, and montane scrub. 

248. Dansereau, Pierre, and Peter F. Buell. 

1966. Studies on the vegetation of Puerto Rico. 

I. Description and integration of the plant 

communities. 11. Analysis and mapping of the 

Roosevelt Roads area. Spec. Pub. No. 1. 287 p. Univ. 

of P.R., Inst. of Caribb. Sci., Mayaguez, P.R. 

249. Darwin, W. N. 

1961. Peladora de postes de cadena ajustada. U.S. 

Dep. Agric. For. Serv., Apuntes Forestales Tropicales, No. 8, 5 p. U.S. Dep. Agric. For. Serv., Instituto de Dasonomla Tropical. [Inst. Trop. For.] 

Rlo Piedras, P.R. [Discontinued series]. 

English version entitled "A Tight Chain Post Peeler", 

was originally written in January 1950 by W. N. Darwin, 

Chief of the Section of Forest Utilization, Div. of For. 

Relations of the Tennessee Valley Authority. 

250. Dawkins, H. C. 

1961. Estimating total volume of some Caribbean trees. 

Caribb. For. 22:62-63. 

251. D'Axey, W. G, 

1967. Annotated check list of the dicotyledons of 

Tortola, Virgin Islands. Rhodora 69:385-450, map. 
252. De Golxa, Darwin Paul. 

1932. Porto Rico, what it produces and what it buys. 

U.S. Bur. For. and DomlComm. Trade Inf. Bull. 785. 

61 p. U.S. Gov. Print. Off., Washington, D.C. 

253. De Le6n, Donald. 

1941. Some observations on forest entomology in 

Puerto Rico. Caribb. For. 2(4):160-163. 

254. Descartes, S. L. 

1946. Historical account of recent land reform in 

Puerto Rico. In Caribb. Res. Counc., Caribb. Corn., 

Caribb. Land ~Gure Symp. Proc. Port of Spain, 

Trinidad, B.W.I. 

255. Desmarais, A. Paul, and Billy T. Helmuth. 

1970. Effects of 137 Cs radiation on vegetation 

structure and optical density at El Verde. In A 

tropical rain forest: a study of irradiationand 

ecology at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. D-2, p. D 77- D 102. 

USAEC, Oak Ridge, Tn. 

The vegetation physiognomies of two centers in the El 

Verde rain forest were described in 1964. A second 

description of the Radiation Center was made after it had 

been exposed to radiation. Significant changes were 

detected in both vegetation physiognomy and optical 

density out to a distance of about 12 rn from the center 

of the radiation site. 

256. Desmarais, A. Paul, and Alfonso Vdzquez. 

1970. Upper canopy crown closure at El Verde. In 

A tropical rain forest: a study of irradiationand 

ecology at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. B-10, p. B 123 -B 133. 

USAEC, Oak Ridge, Tn. 

Coverage of tree crowns (canopy closure) was studied 

along with other basic structural attributes of the El 

Verde sites. 

257. ~xaz-Piferrer, M. 

1967. The effects of an oil spill on the shore of 

Gudnica, P.R. Assoc. Island Nar. Labs. (fourth 

meeting) p. 12-13. 

258. Dickinson, F. E., R. W. Hess, and F. F. Wangaard. 

1949. Properties and uses of tropical woods, I. Trop. 

Woods 95. 145 p. 

Includes tests of the followinq Puerto Rican woods: 

Buchenavia capitata, Hymenaea courbaril , Manilkara bidentata

and Tetragastris balsamifera. 
259. Dienes, G. J. 

1970. A kinetic model of radiation response to field 

irradiation. In A tropical rain forest: a study 

of irradiationand ecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. C-5, 

p. C 49 - C 52. USAEC, Oak Ridge, Tn. 0 

A kinetic model of radiation response was used to compute 

the areal distribution of radiation damage around a field 

radiation source. Biological components with faster 

repair rates were found to survive several times greater 

dosages. Curves predicted for survival vs. distance from 

the source have a similar and characteristic shape, 

being displaced toward the radiation source when recovery 

processes are rapid. 

260. Dinwiddie, W. 

1899. Puerto Rico, its conditions and possibilities. 

Harper & Bros., New York. 

261. Doerr, A. H. 

1952. Environment and economic activities in Southwestern Puerto Rico. In The Rural Land Classification Program of ~uertoTico. P. 163-191. (Northwest. 

Univ. Studies in Geog., No. I), The William and 

Marian Haas Res. Fund, Evanston, Ill. 

262. Domenech, M. V. 

1899. Porto Rico, her mineral resources, their value 

and extent, and the reasons why they are not more 

developed. Mines and Miner. 19:529-532. 

263. Dowler, C. C., W. Forestier, and F. H. Tschirley. 

1967. Effect and persistance of herbicides applied 

to soil in Puerto Rican forests. Weed Sci. 16:45-50. 

264. Dowler, C. C., and F. H. Tschirley. 

1970. Effects of herbicides on a Puerto Rican rain forest. 

- In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. B-19, p. B 315 - B 323. 

USAEC, Oak Ridge, Tn. 

Herbicides were applied to the soil and to the foliage 

in the Luquillo National Forest in Puerto Rico. Teak 

and mahogany planted in treated plots several months after 

treatment showed no herbicidal effect, which indicates 

that only a small amount of the herbicide reached the 

forest floor. 

265. Dowler, C. C., F. H. Tschirley, R. W. Bovey, and H. L. Morton. 

1970. Effect of the aerially-applied herbicides on 

Texas and Puerto Rico Forests. Weed Sci. 18(1):164-166. 

Cites effects of 2,4-D, 2,4,5-TI Picloram and Paraquet 

dosages with relation to climate in Texas and Puerto Rico. 
26 6. Drewry , George. 

1970. Factors affecting activity of rain forest frog 

populations as measured by electrical recording of 

sound pressure levels. - In A tropical rain forest: 

a study of irradiation and ecology at El Verde, 

Puerto Xico. Howard T. Odum and Robert F. Pigeon, 

eds. Ch. E-4, p. E 55 - E 68. USAECLOalc Ridge, Tn. 

As part of the instruaentation of the Puerto Rico Nuclear 

Center, a device was designed and assembled to record, 

from several locations within the forest, a 3-min integral 

of the fluctuating sound pressure level. The unfiltered 

machine was used to document changes in forest sound during 

and after a period of strong gamma irradiation and did 

detect differences attributable to radiation effects. 

267. Drewry, George E. 

1970. A list of insects from El Verde, Puerto Rice.# 

- In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. E-10, p. E 129 -E 150. 

USAEC, Oak Ridge, Tn. 

Twelve hundred species of insects were collected at the 

El Verde study area from 1963 to 1967. The species that 

have been identified are listed according to taxonomic 

groupings. 

268. Duke, James A. 

1970. Keys for the identification of seedlings of 

some prominent woody species in eight forest types 

in Puerto Rico. In A tropicql rain forest: a study 

of irradiation anrecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. 

Ch. B-15, p. B 239 -B 274. USAEC, Oak Ridge, Tn. 

269. Duke, James A. 

1970. Postirradiation woody seedlings. In A tropical 

rain forest: a study of irradiation aa ecology 

at El Verde, Puerto Rico. Howard T. Odum and Robert 

F. Pigeon, eds. Ch. D-8, p. D 189 - D 192. 

USAEC, Oak Ridge, Tn. 

A survey of seedlings was made of the El Verde study 

areas after the Radiation Center had been irradiated. 

Tabebuia heterophylla seedlings were dominant because 

a nearby parent tree had flowered during irradiation. 
Duplaquet, L. 

1960. Le Centre Tropical ae ~echerches Forestieres de 

Rfo Piedras, a Porto kico. Tropical Forest Experiment 

Station, [now named Inst. of Trop. For.], Rfo Piearas,P.R. 

Rev, For. Franc, L2(7) :445-'1, 3 photos, 1 sketch map. 

This is an account of the forests, research done and in 

progress, and the future program, based on a visit by 

the author. 

Durland, W. D. 

1924. Sivicultura (Puerto Rico). Rev. de Agr. de 

P .R. 12 (3) : 159-163. 

Durland, W. D. 

1924. El desarrollo de la silvicultura (Puerto Rico) 

Rev. de Agr. de P.R. 12(5):335-339. 

The development of silviculture in Puerto Rico is 

discussed. 

Durland, W. D. 

1925. Status of forestry in Puerto Rico. J. For. 

23:913--918. 

Durland, William D. 

1929. Forest regeneration in Puerto Rico. Econ. Geog. 

5 (4) : 369-381. 

Edmisten , Joe. 

1970. Preliminary studies of the nitrogen budget of 

a tropical rain forest. In A tropical rain forest: 

a study of irradiation andecology at ~l Verde, 

Puerto Rico. Howard To Odum and Robert F. Pigeon, 

eds. Ch. H-21, p. H 211 - H 215. USAEC, Oak Ridge, Tn. 

A mineral-cycle diagram comprising new measurements of 

nitrogen fixation, rain inflows, and waters percolating in 

soil for nitrogen at El Verde summarizes data to date 

and serves as a hypothesis for further study. 

Edmisten , Joe. 

1970. Soil studies in the El Verde rain forest. 

- In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. 

Ch. H-3, p. H 79 - H 87. USAEC, Oak Ridge, Tn. 

Several physical and chemical properties of tropical 

rain forest soils at El Verde, Puerto Rico, were investigated before and after treatments with gamma radiation 

and after mechanical defoliation of the vegetation. 
277. Edmisten, Joe. 

1970. Some autecological studies of Ormosia kruqii. 

- In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. B-17, p. B 291 - B 298. 

USAEC, Oak Ridge, Tn. 

Five experiments were done with seedlings of Ormosia krugii. 

Stem growth, leaf fall, and innate voltage of the seedlings 

were monitored for one month after treatment for indications of radiation damage. 

278. Edmisten Joe. 

1970. Studies of Phytolacca icosandra. In A tropical 

rain forest: a study of irradiation andecology at 

El Verde, Puerto Rico. Howard T, Odum and Robert F. 

Pigeon, eds. Ch. D-7, p. D 183 - D 188. 

USAEC, Oak Ridge, Tn. 

Experiments were performed on Phytolacca icosandra, a 

roadside weed of Puerto Rico, to clarify the mechanisms 

responsible for the transport and germination of Phytolacca 

seeds. These studies support the theory of dispersal of 

seeds by birds. 

279. Edmisten, Joe, 

1970. Survey of Mycorrhiza and nodules in the El Verde 

Forest. In A tropical rain forest: a study of 

irradiation and ecology at El Verde, Puerto Hico. 

Howard T. Odum and Robert F. Pigeon, eds, 

Ch. F-2. p. F 15 - F 20. USAEC, Oak Ridge, Tn. 

Thirty-two species of rain forest dominants were surveyed 

for mycorrhiza. It is suggested that these fungus-root 

associations act as nutrient traps, especially for anions. 

280. Edmondson, Charles Howard. 

1949. Reacci6n de maderas de Amgrica del Sur y del 

drea del Caribe a1 ataque de taladradores marinos 

en aguas hawaiianas, Caribb. For. 10(1):41-42. 

English version, Caribb For . 10 (1) : 37-4 1, 

281. Edmondson, Charles Howard. 

1949. Reactions of woods from South America and 

Caribbean Areas to marine borers in Hawaiian waters. 

Caribb. For. 10(1):37-41. 

Spanish version, Caribb. For. 10(1):41-42, 

282. Eggers, H. F. A. 

1876. St. Croix's flora. Vid. Medd. Kjovenhavn, 

p, 33-158, pl. 2. 

Annotated catalog of species, based mainly on collection 

by the author, 1869-1874. 
283. Eggers, H. F. A. 

1879. The flora of St. Croix and the Virgin Islands. 

U.S. Natl. Nus. Bull. 13. 133 p. 

284. Eggers, H. F. A. 

1882. Die Poyales des oestlichen Porto Rico. 

Bot. Centr. 11:331-332. 

Account of the Ptercarpus swamps, palo de pollo, of Puerto 

Rico. 

285. Eggers, H. F. A. 

1883. Porto Rico. Description of the vegetation of the 

Luquillo Mountains. Nature 29:129-130. 

286. Enamsrado-Cuesta, ~os6. 

1929. Porto Rico, past and present. 170 p. Eureka 

Print. Co., New York. 

287 . Englerth, George H. 

[n.d.] Forest utilization in Puerto Rico: a problem 

analysis. 25 p. U.S. Dep. Agric. For. Serv., Inst. 

Trop. For., Rfo Piedras, ip P.R. 

288. Englerth, George H. 

1959. Air drying conditions for lumber in the San Juan 

Area, Puerto Rico. U.S. Dep. Agric. For. Serv., Trop. 

For. Notes No. 1, 2 p. U.S. Dep. Agric. For. Serv., 

Trop. For. Res. Center [now named Inst. Trop. For.], 

Rfo Piedras, P.R. [Discontinued series]. 

Spanish version published as Apuntes Forestales Tropicales 

No. 1, entitled "Condiciones para el secado a1 aire de la 

madera en el grea de San Juan, Puerto Rico." 

89. Englerth, George H. 

1959. Condiciones para el secado a1 aire de la madera en 

el drea de San Juan, Puerto Rico. U.S. Dep. Agric. For. 

Serv., Apuntes Forestales Tropicales No. 1, 2 p. U.S. 

Dep. Agric. For. Serv., Trop. For. Res. Center [now 

named Inst. Trop. For.], Rfo Piedras, P.R. 

[Discontinued series]. 

English version published as Tropical Forest Note No. 1, 

entitled "Air drying conditions for lumber in the San Juan 

Area, Puerto Rico, '" 
290. Englerth, George H. 

1960. Durabilidad de postes sin tratar para cercas 

despugs de un afio de prueba en Puerto Rico. U.S. 

Dep. Agric. For. Serv., Apuntes Forestales Tropicales No. 5, 2 p. U.S. Dep. Agric. For. Serv., Trop. 

For. Res. Center [now named Inst. Trop. For.], 

Rlo Piedras, P.R. [Discontinued series]. 

English version published as Tropical Forest Kotes No. 5, 

entitled "The service life on untreated posts in Puerto 

Rico after one year in test." 

291. Englerth, George H. 

1960. The service life of untreated posts in Puerto 

Rico after one year in test. U.S. Dep. Agric. For. 

Serv., Trop. For. Notes No. 5, 2 p. U.S. Dep. Agric. 

For. Serv., Trop. For. Res. Center [now named Inst. 

Trop. For.], Rio Piedras, P.R. [Discontinued series]. 

Spanish version published as Apuntes Forestales Tropicales No. 5, entitled 'Durabilidad de postes sin tratar 

para cercas despugs de un afio de prueba en Puerto Rico." 

292. Englerth, George H., and Ernesto ~oytia Olmedo. 

1960. Preservation of Puerto Rican fence posts treated 

by cold soaking and the hot-and-cold bath method, 

U.S. Dep. Agric. For. Serv., Trop. For. Notes No. 2, 4 p. 

U.S. Dep. Agric. For. Serv., Trop, For, Res. Center 

[now named Inst. Trop. For. ] , Rio Piedras, P .R. 

[Discontinued series]. 

Spanish version published as Apuntes Forestales Tropicales No. 2, entitled "Preservaci6n de las maderas de 

Puerto Rico usadas para postes de cercas por 10s m&todos 

de remojo frfo y de bafio caliente y frfo." 

293. Englerth, George H., and Ernesto Goytza Olmedo. 

1960. ~reservacibn de las maderas de Puerto Rico usadas para postes de cercas por 10s rngtodos de remojo 

frfo y de baiio caliente y frlo. U.S. Dep. Agric. 

For. Serv., Apuntes Forestales Tropicales No 2, 4 p. 

U.S. Dep. Agric. For. Serv., Trop. For. Res. Center 

[now named Inst. Trop. For.], Rfo Piedras, P.R. 

[Discontinued series]. 

English version published as Tropical Forest Note No. 2, 

entitled "Preservation of Puerto Rican fence posts treated 

by cold soaking and the hot-and-cold bath method," 
294. Englerth, George H., and Edwin Maldonado. 

1961. Bamboo for fence posts. U.S. Dep. Agric. For. 

Serv., Trop. For. Note No. 6, 2 p. U.S. Dep. Agric. 

For. Serv., Trop. For. Res. Center [now named Inst. 

Trop. For. ] , Rlo Piedras, P. R. [Discontinued series] . 

Spanish version published as Apuntes Forestales Tropicales No: 6, entitled "Bamb6 para postes de cercas." 

295. Englerth, George H., and Edwin Maldonado. 

1961. ~amb6 para postes de cercas. U.S. Dep. Agric. 

For. Serv., Apuntes Forestales Tropicales No. 6, 2 p. 

U.S. Dep. Agric. For. Serv., Trop. For. Res. Center 

[now named Inst. Trop. For.], Rfo Piedras, P.R. 

[Discontinued series]. 

English version published as Tropical Forest Note No. 6, 

entitled "Bamboo for fence posts." 

296. Englerth, George H., and Ernesto Goytfa Olmedo. 

1962. The bow saw for cutting tropical woods. 

U.S, Dep. Agric. For. Serv., Trop. For. Note No. 11, 2 p. 

U.S. Dep. Agric. For. Serv., Inst. Trop. For., 

Rio Piedras, P.R. [Discontinued series]. 

Spanish version published as Apuntes Forestales Tropicales No. 11, entitled "La sierra de arco para el corte de 

maderas tropicales." 

297. Englerth, George H., and Ernesto Coytia Olmedo. 

1962. La sierra de arc0 para el corte de maderas tropicales. U.S. Dep. Agric. For. Serv., Apuntes 

Forestales Tropicales No. 11, 3 p. U.S. Dep. Agric. 

For. Serv., Inst. Trop. For., R~O Piedras, P.R. 

[Discontinued series]. 

English version published as Tropical Forest ~otes No. 11, 

entitled "The bow saw for cutting tropical woods." 

298. Erdman, Donald S. 

1973. Mona Island terrestrial crustaceans. In Mona 

and Monito Islands: as assessment of theirTatura1 

and historical resources. Vol. 2, App. H, p. H-1 - H-2. 

Junta de Galidad Ambiental [Env. Quality Bd.]. 

San Juan, P,R. 

299. Estrada Pinto, Alejo. 

1970. Phenologlcal studies of trees at El Verde. In A 

tropical rain forest: a study of irradiation andecology at El Verde, Puerto Rico. Howard T. Odum and Robert 

F. Pigeon, eds. Ch. D-14, p. D 237 - D 269. USAEC, Oak 

Ridge, Tn. 

From 1963 to 1967 field notes and three seriks of regular 

counts were made to outline the patterns of flowering, fruiting, and leaf fall of 60 principal tree species in normal 

forest and in areas subjected to gamma irradiation. Unusually 

heavy and lasting flowering and fruiting were observed in 

1965 after irradiation, 
300. Eucalyptus experience summarized. 

1953. Caribb. For. 14 (1/2):17-20; 49-52, - In Re~ort 

U.S. Trop. For. Exp. Sta. 13, 1952. & 

Since 1940 more than 2,000 acres have been planted with 

Eucalytus robusta and E, kirtoniana in the state forest 

of Puerto Rico, and theseeds of additional species have 

been planted experimentally on different sites. Brief 

reports are presented on the progress of 14 species. 

301. Evans, R. M. 

1933. Puerto Rico. In U.S. Forest Service: A national 

plan for American forestry. p. 1646-1651. U.S. Gov. 

Print. Off., Washington, D.C. 

302. Ewel, J. J,, and 3. L. Whitmore. 

1973. The ecological life zones of Puerto Rico and 

U.S. Virgin Islands. U.S. Dep. Agric. For. Serv., 

Res. Pap. No. ITF-18, 72 p. + map. U.S. Dep. Agric. 

For. Serv., Inst. Trop. For., Rfo Piedras, P.R. 

[Discontinued series]. 

Six life-zones are described in accordance with Holdridge's 

system: Subtropical dry forest, subtropical moist forest, 

subtropical wet forest, subtropical rain forest, subtropical 

lower montane wet forest, and subtropical lower montane 

rain forest. The paper is fully illustrated with photos 

of typical landscapes and representative trees species. 

Spanish synopsis - ITF-18-A. 

303. Ewel, J, J,, and J. L. Whitmore. 

1973. Las zonas de vida de Puerto Rico y las Islas 

Vfrgenes Americanas: una sinopsis. U.S. Dep. Agric. 

For. Serv., Bol. de Invest. ~6m 18-A, 9 p. + map. 

U.S. Dep. Agric. For. Serv., Inst. Trop. For., 

Rfo Piedras, P.R. [Discontinued series]. 

Puerto Rico and the U.S. Virgin Islands were mapped in 

accordance with Holdridge's system and a discussion and 

descriptions of each of six life zones were written. The 

manuscript in English offers water balances, a description 

of the Holdridge theory of biotemperature, and greater 

detail in general. This shortened version in Spanish is 

intended as a field manual to be used with the map. 

304. Ewel, John J. 

1958. Height growth of bigleaf Mahogany. Caribb. For. 

24 (1) : 34-35. 

305. Fassig, 0. L. 

1909. Average rainfall of Puerto Rico. Monthly Weather 

Rev. 37:982-986. a 

306, Fassig, 0. L, 

1911. The climate of Porto Rico. Assoc. Sucr. Geog. 

Am. 1:127. 
307. Fassig, 0. L. 

1911. The normal temperature of Puerto Rico. Monthly 

Weather Rev. 39:299-302. 

308. Fassig, 0. L. 

1916. Tropical rains, their duration, frequency, and 

intensity. Monthly Weather Rev. 44:329-337. 

309. Fassig, 0. L. 

1928. San Felipe, the hurricane of September 13, 1928, 

at San Juan, Puerto Rico. Monthly Weather 

Rev, 56:350-352. 

310. Feliciano, C. 

1962. Notes on the biology and economic importance 

of the land crab Cardisoma guanhumi Latreille of 

Puerto Rico. 29 p. Special Contrib. Inst. Mar. Biol. 

Univ. of P.R., Mayaguez, P.R. 

311. Fernsndez de Oviedo, Gonzalo. 

1959. Natural history of the West Indies. 140 p. 

University of North Carolina Press, Chapel Bill. 

This version of Gonzalo ~erndndez de Oviedo's Natural 

History of the West Indies is for persons interested in 

the early history of America who are not able to read 

Spanish. Oviedo's account appeared in Toledo in 1526, but 

no complete English version was hitherto made. A partial 

but unsatisfactory translation and summary by Richard 

Eden - The decades of the new worlde or West India, containing the navigations of the Spaniards -was published 

in London in 1555 and was reprinted in 1577. An imperfect 

re~rint of this was published again in London in 1625 by 

~ahuel Purchas - ~akiu~t~s Posthumus or Purchas His 

Pilgrimes, Containing a History of the World in Sea Voyages 

and Lande Travells by Englishmen and Others. This version, 

which was reprinted for the Hakluyt Society in 1902, is 

fragmentary, inaccurate, unedited, and was merged with 

- 

translations of similar works from the same period. 

312. Fewkes, Jesse Walter. 

1907. The aborigines of Porto Rico and neighboring 

islands. 25th Ann. Rept. Bur. Arner. Ethnology. p. 3-200. 

313, Flinter, George Dawson. 

1834. An account of the present state of the island of 

Puerto Rico. 392 p. Longman, Rees, Orme, Brown, 

Greene, and Longman, London. 
314. Foerster, J. W. 

1971. The ecology of an elfin forest in Puerto Rico. 

14. The algae of Pico del Este. J. Arnold Arbor, 

52 (1) : 86-109, 

315. Food and Agricultural Organization of the united Nations, 

FA0 Comisi6n Forestal Latinoamericana. 

1960. Datos de crecimiento de plantaciones forestales 

en Mgjico, Indias Occidentales y Centro y Sur 

Am6rica. Segundo informe anual de la SecciiSn de 

Forestaci6n por el Cornit6 Regional sobre InvestigaciBn 

Forestal. Caribb For. Suppl. 21 in Spanish. 

English version, Caribb. For. Suppl. 21 in English. 

316. Food and Agricultural Organization of the United Nations, 

FA0 Latin Linerican Forestry Commission. 

1960. Records of forest plantation growth in Mexico, 

the West Indies, and Central and South America. 

Second annual report of the section on planting by 

the Regional Committee on Forest Research. 

Caribb. For. Suppl. 21 in English. 

Spanish version, Caribb. For. Suppl. in Spanish. 

317. Forbes, W. T. M. 

1930. Insects of Porto Rico and the Virgin Islands: 

Heterocera or moths (Excepting the Noctuidae, 

Geometridae, and Pyralidae) . Scientific Survey of 

Porto Rico and the Virgin Islands 12 (1) : 1-171. 

N.Y. Acad. of Sci., New York. 

318. Forbes, W. T. M. 

1931. Supplementary report on the Heterocera of moths 

of Puerto Rico. J. Agric. of UPR 15 (4) :339-394. 

319. Fowler, H. W, 

1918. Some amphibians and reptiles from Porto Rico 

and the Virgin Islands. Carnegie Inst., Washington, 

D.C., Pap. Dep. Mar. Biol. 12:l-15. 

320. Fox, J. E. D. 

1962. Determination of wet and dry weight relations 

of a specimen of Ausubo (Manilkara bidentata) 

found in the Caribbean National Forest. Student 

Report, State Univ. of N.Y. at Syracuse and U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., Rxo Piedras, P.R, 
321. Fram, Me 

1971. Memo to Roberto Vgzquez, Assistant Secretary, 

Area of Natural Resources, P. R. Dep + of Pub. Wks , 

on : Area to be preserved for biological studies 

near Camuy High School. 

322, Fram, M. 

1972. Guidelines of the Area of Natural Resources for 

the preservation of mangroves. Office of Wildlife, 

Area of Natural Resources, P,R, Dep. of Pub. Wks., 

San Juan. 

323. Fram, M. 

1972. Letter to Ricardo Cotte, Bureau of Sport Fisheries 

and Wildlife, U.S. Dep. Interior, over the signature 

sf Roberto VZizquez, Area of Natural Resources, P.R. 

Dep. of Pub. Wks., entitled: Report on Carrizales 

Mangroves, Hatillo, 

324. Fram, M, 

1972. Tidal forest of Vieques. Report submitted to 

the Puerto Rico Environmental Quality Board. Area 

of Natural Resources, P.R. Dep. Pub. Wks., San Juan. 

325. Friedman, Robert. 

1974. Putting down roots for Arbor week. The San Juan 

Star [San Juan, P.R.], Nov. 29, 1974. 

Article on Arbor Day celebration with map and instructions 

on how to reach government tree nursery in Dorado, P.R., 

where public may purchase trees at low cost. 

326. Fulford, M., B. Crandall, and R. Stotler. 

1970. The ecology of an elfin forest in Puerto Rico. 

11. The leafy hepaticae of Pico del Oeste. 

J. Arnold Arbor. 51:56-69. 

327. Fulford, M. H., B. Crandall, and R, Stotler, 

1971. The ecology of an elfin forest in Puerto Rico. 

15. A study of the leafy hepatic flora of the 

Luquillo Mountains. J. Arnold Arbor. 52:435-458. 

328. Farstenberg, P. von. 

1968. Formen der Waldnutzung im spanischen Nord-und 

Mittel-amerida ~Shrend der Kolonialzeit (16.-18. Jahrh.). 

[Forms of forest utilization in Spanish North and 

Central America during the colonial period (16th - 18th 

centuries).] Review of dissertation In Forstliche 

Fakultzt der ~eor~-~u~ust-~niversit~t~u ~~ttingen, 

Hann. finde en, 1966. Forstarchiv 39(8):186. 

Covers the former viceregal domain of New Spain (i.e. most 

of Central America, plus parts of the U.S.A., Cuba, Puerto 

Rico, Haitf, and Jamaica), discussing utilization of wood 

and minor forest products, including forest pasture and 

milpa (shifting cultivation) . 
329. Gandfa Cdrdova, R. 

1926. Recursos minerales de la Isla de Puerto Rico: 

11. Rev. Obras Pub., Puerto Rico 3:762-767. 

Mineral Resources of Puerto Rico. 

330. Gannutz, T. P. 

1970. A study of the lichens of an irradiated rain 

forest. In A tropical rain forest: a study of 

irradiation and ecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. D-12, 

p. D 227 - D 231. USAEC, Oak Ridge, Tn. 

The lichen population of a tropical rain f~rest community 

was examined, and the effects of ionizing radiation on the 

lichen thalli were determined. The thesis that the crustose 

type lichens are more resistant to radiation than other 

forms of lichens was supported. 

331. Gara, R. I., G. G. Allan, R. M. Wilkins, and J. L. Whitmore. 

1973. Flight and host selection behaviour of the 

mahogany shoot borer, grandella Zeller 

(Lepid., Phycitidae). Reprinted from ~eitschrift 

fur Angewandte ~ntomolo~ic. p. 259-266. Verlag Paul 

Parey, Hamburg. 

332. Gara, R. I., G. G. Allan, R. M. Wilkins, and J. L. Whitmore. 

1976. Comportamiento en vuelo y seleccidn de hospedero 

del barrenador de la Meliaceas, Hypsipyla grandella 

Zeller (Lepid., Phycilidae). In Studies on the 

shootborer grandella7~eller) Lep. Pyralidae. 

Centro Agrondmico Tropical de 1nvestigaci6n y Ensefianza, IICA. Misc. Publ. No. 101, V. 11. Turrialba, 

Costa Rica, p. 116-121. (Translated from the original 

in Z. Angew. Ent. 72 (3) : 259-266. 1973) 

333. Garcia, Carmen M. 

1977. Palmas del Mar preserve to be auxiliary forest. 

The San Juan Star [San Juan, P.R.], Apr. 24, 1977. 

A 60 to 70 acre tropical forest located at a plush resort 

in Humacao, P.R., is expected to become the first auxiliary 

forest to be authorized by the Commonw. of P.R. under a 

1975 law. 

334. ~arcia-~iquera, Carmen. 

1946. A Spanish glossary of forestry technology I-V. 

Caribb. For. 7 (2) :103-120. 

335. Garcia-Piquera, Carmen. 

1947. A Spanish glossary of forestry technology 11. 

Caribb. For. 8 (1) :45-64. 

336. Garcia-~iquera, Carmen. 

1948. A Spanish glossary of forestry technology 111. 

Caribb. For. 8 (4) : 269-288. 
Garcfa- Piquera, Carmen. 

1949. A Spanish glossary of forestry technology IV. 

Caribb. For. 9 (1) :15-43. 

Garcfa-Piquera, Carmen. 

1950. A Spanish glossary of forestry technology V, 

Caribb. For. 11 (1) :25-37. 

~arcra-Piquera, Carmen. 

1955. Glosario de terminologfa forestal (Ingl6s-~spafiol 

y Espafiol-Ingl&s), rnonograffa NGm. 5. Departamento 

de Agricultura y Cornercio de Puerto Rico, San Juan. 

Glossary of forestry terminology. (English-Spanish and 

Spanish-English). 

Garver, Earl S., and Ernest B. Fincher, 

1945. Puerto Rico, unsolved problem. 110 p. 

The Elgin Press, Elgin, Ill. 

Gates, D. M. 

1969. The ecology of an elfin forest in Puerto Rico. 

4. Transpiration rates and temperatures of leaves 

in cool humid environment. J. Arnold Arbor. 50(1)93-98. 

Gaztarnbide, Juan B. 

1944. Ensecanza de los valores del bosque y de la dasonomfa a 10s nifios de Puerto Rico. Caribb. For. 

5 (2) : 68-77. 

Teaching the value of forests and forestry to the children 

of Puerto Rico. 

Gaztambide, Juan B. 

1951. Hay cinco razones importantes para mantenimiento 

de bosques. El Mundo [San Juan, P.R.], Feb. 11, 1951. 

p. 21. 

The importance of the maintenance of forests. 

Geary, T. F. 

1969. Adaptability of Mexican and Central American 

provenances of Swietenia in Puerto Rico and St. Croix. 

Preliminary report. FAO-FTB-2/19. 

Geary, T. F., and N. F. de Barros. 

1973. Seed crop environment may influence progeny tests. 

Comonw. For. Rev. 52:160-162. 

Progeny of sixteen British Honduras superior phenotypes 

of Pinus caribaea var. hondurensis were compared in a 

Puerto Rico nursery. There were significant correlations 

involving seed yield, seed germination, germination 

vigor, and seedling height. 
346. Geary, T. F. and C. B. Briscoe. 

1972. Tree species for plantations in the granitic 

uplands of Puerto Rico. U.S. Dep. Agric. For. Serv., 

Res. Pap. ITF-14, 8 p. U.S. Dep. Agric. For. Serv., 

Inst. Trop. For., Rfo Piedras, P,R, 

[Discontinued series], 

Thirty-two tree species were tested for adaptability in 

Puerto Rico's humid, granitic uplands, and recornendations 

made for timber plantations. 

347. Geary, T. F., and R. Ibarra Coronado. 

1973. Seed source variation in Puerto Rico and Virgin 

Islands grown mahoganies. U.S. Dep. Agric. For. 

Serv., Res. Pap. ITF-17, 24 p. U.S. Dep. Agric. For. 

Serv., Inst. Trop. For., ~fo Piedras, P.R. 

[Discontinued series]. 

Series were collected from natural stands of Swietenia 

macrophylla and Swietenia humilis in eighteen areas from 

Mexico through Panama and seedlings from the seeds were 

planted at thirteen locations in Puerto Rico and the Virgin 

Islands. Swietenia mahogani from naturalized stands in 

the Virgin Islands were included in the plantings. 

345. Geary, T. F., and F. R. Macia Sanabria. 

1973. Density of the juvenile wood of Pinus caribaea 

var, hondurensis grown in subtropical moist and wet 

life zones of Puerto Rico. Turrialba 23 (4) : 477-480. 

Wood density of juvenile cores and outer layers next to 

the bark was determined for Honduras pine growing in a 

Subtropical Moist and a Subtropical Wet Life Zone. Results 

showed the resin-frewood of the Moist Zone trees was 

denser than that of the Wet Zone trees. 

349. Geary, T. F., R. W. Nobles, and C, B. Briscoe. 

1972. Hybrid mahogany recommended for planting in the 

Virgin Islands. U.S. Dep. Agric. For. Serv., Res. 

Pap. ITF-15, 4 p. U.S. Dep. Agric. For. Serv., Inst. 

Trop. For., Rfo Piedras, P.R. [Discontinued series]. 

A replicated trial on eleven sites tested the drought 

resistance and growth of hybrid, Honduras, and West Indies 

mahoganies. Ten years after planting the hybrid has 

survived and grown more than either of the parent species. 

350. Geary, T. F., and J. A. Zambrana. 

1971. Comparative adaptability of conifers in Puerto 

Rico. 5 p., tbls. In Selection and breeding to improve 

some tropical conifers. Symp. International Union 

of Forestry Research Organizations IUFRO Working Group 

on Breeding Trop. and Subtrop. Species.Gainesville, Fla. 
351. Geary, T. F., and J.A. Zambrana. 

1972. Must Honduras pine be weeded frequently in 

Puerto Rico? U.S. Dep. Agric. For. Serv., Res. 

Pap. ITF-16, 16 p. U.S. Dep. Agric. For. Serv., 

Inst. Trop. For., Rfo Piedras, P.R. 

[Discontinued series] . 

This study concerns the least amount of weeding required 

on pine for good survival and a reasonable rate of growth. 

352. Gerhart, G. A. 

1930. Forestry notes from Puerto Rico.For.Leaves 22:144. 

353. Gerry, Eloise. 

1947. Santa Marfa (Calophyllum). 14 p. U.S. Dep. Agric. 

For. Serv. , In£ . Lflt . (Mimeo Rpt . SR-4) . U. S. Gov. 

Print. Off., Washington, D.C. 

354. Gifford, John Clayton. 

1905. The Luquillo Forest Reserve, Porto Rico (with 

appendix, of the Luquillo region, by John Clayton 

Gifford and Otis Warren Barrett). Bull. 54, 51 p. 

U.S. Dep. Agric. Bur. For. U.S. Gov. Print. Off., 

Washington, D.C. 

355. Gill, A. M. 

1969. The ecology of an elfin forest in Fuerto Rico. 

6. Aerial roots. J. Arnold Arbor. 50(2):197-209. 

356. Gill, Tom. 

1931. Tropical forests of the Caribbean. 

318 p. [Reference on Puerto Rico, p. 127-1461. 

Trop. Plant Res. Found. 

357. Gill-Bermejo Garcra, J. 

1970. Panorama hist6rico de la agricultura en Puerto 

Rico. Instituto de Cultura Puertorriquefia, Escuela 

de Estudios Hispanoamericanos, Sevilla. 

The history of agriculture in Puerto Rico. 

358. Gilormini, J. A. 

1939. El 6rbol teca, (Tectona grandis L.). 

Rev. de ~gric. de P.R. 31 (3) : 352-354. 

Description of the teak species. 

359. Gilormini, J. A. 

1939. PreparaciBn y uso del mantillo o estigrcol compuesto en viveros forestales. Caribb. For. 1(1):27-28. 

Preparation and use of composts in forestry nurseries. 
Gi lormini, J . A. 

1946. Orientando a1 agricultor en silvicultura. 

Caribb. For. 7(4):295-296, 328, 

Orientation for the farmer regarding silviculture. 

Gilormini, J. A. 

1949. Manual para la propagaci6n de drboles y el 

establecirniento de plantaciones forestales en Puerto 

Rico, segunda edici6n. 109 p. P.R. Dep. Agric. and 

Com., Rlo Piedras, P.R. 

Manual on the propagation of trees and the establishment 

of forest plantations in Puerto Rico and includes tables of 

common and scientific tree names, and some notes on utilization incidental to silviculture. 

Gi lormini, Jos6 A. 

1949. 6. Problemas de propagaci6n forestal. En Los 

cursos de adiestramiento. Caribb. For. 10(4)x06-307. 

English version, Caribb. For. 10(4):267-268. 

Gilormini, Jos6 A. 

1949. 6. Problems of the tree preparation for farm 

forestry. - In A farm forestry training program. 

Caribb. For. 10 (4) :267-268. 

Spanish version, Caribb For. 10 (4) : 306-307. 

Giusti, E. V., and M. A. L6pez. 

1967. Climate and stream flow of Puerto Rico. 

Caribb. J. Sci. 7:87-93. 

Gleason, H. A,, and Melville T. Cook. 

1926. Plant ecology of Puerto Rico. In Scientific 

Survey of Puerto Rico and the ~ir~inyslands 7(1&2). 

173 p. N.Y. Acad. Sci., New York. 

A detailed account of the distribution of the natural 

vegetation in relation to climate, altitude, and soil 

is presented and is illustrated by photographs. 

Glynn, P.W., L. R. AlrnodBvar, and I. G. Gonzdlez. 

1964. Effects of Hurricane Edith on marine life in 

La Parguera, Puerto Rico. Caribb. J. Sci. 4:335-345. 

Glynn, P. Fa. 

1964. Common marine invertebrate animals of the shallow 

waters of Puerto Rico. - In Historia Natural de Puerto 

Rice. p. 12-20. Univ. of P.R., Mayaguez, P.R. 

Golley, F. [Frank] B. 

1960. Ecologic notes on Puerto Rico molluscs. 

Nautilus 73:152-155. 
369. Golley, Frank [BJ, Howard T. Odum, and Ronald F. Wilson, 

1962. The structure and metabolism of a Puerto Rican 

red mangrove forest in May. Ecology 43:9-19. 

370. Gomberg, H. T. 

1970. Radioecology at the Puerto Rico Nuclear Center. 

In A tropical rain forest: a study of irradiation * - 

and ecology at El Verde, Puerto Rico. Howard T, Odum 

and Robert F. Pigeon, eds. Ch. A-1, p. A 3 - A 4. 

USAEC, Oak Ridge, Tn. 

371. Gonzdlez-Liboy, J. A., B. CintrBn, K. Dugger, and A. Lugo. 

1976. Habitat evaluation of a dry coastal forest. 

Final report, Pittman Robertson Project W-8 study IV. 

Dep. Nat. Res., San Juan, P.R. 2 vols. 

372. Gonzdlez-Mas, A. 

1962. The occurrence of Cyperus iria L. (Cyperaceae) 

in Puerto Rico . Caribb. J. Sci. 2 (1) : 8. 

373. Gonzdlez-Mas, Arturo. 

1964. Cyperaceae of Puerto Rico. Ph.D. Thesis. 

La. State. Univ. and Agricultural and Mechanical 

College, Baton Rouge. 316 p. 

374. Gray, R. W. 

1944. La distribuci6n anual y geogr6fica de lluvia en 

Puerto Rico. Almanaque Agrfcola de Puerto Rico. 

p. 47-57. P.R. Dep. Agric. and Com., San Juan. 

Annual geographic pluvial distribution in Puerto Rico. 

375, Green E. A. 

1932. Santa Maria; a neotropical timber of the genus 

Calophyllum- Trop. Woods 30:9-16. 

376. Gregory, L.E. 

1940. Notes on the yarey palm of Puerto Rico and the 

straw industry derived from it.Caribb. For. 1(4):13-16. 

Spanish summary, Caribb. For. 1(4):16. 

377. Gregory, Luis, and lsmael V6lez. 

1946. An ecological survey of The Polytechnic Institute 

Arboretum. Caribb. For. 7 (1) : 1-25. 

Spanish version, Caribb. For. 7 (1) : 25-35. French suininary , p. 35-36, 

378. Gregory, Luis and Ismael Vglez. 

1946. Reconocimiento ecol6gico del Arboretum del Instituto Pofit6cnico. Caribb. For. 7(1):25-35. 

English version, Caribb. For, 7 (1):l-25. French summary, 

p. 35-36, 
379. Grisebach, A. H. R, 

1865. Die geographische verbreitung der pflanzen 

Westindies. Abhand Kon, Ges, Wiss, Gottingen 

12 (3) : 3-80. 

The geographic distribution of West Indian plants. 

380. Groff, G. G. 

1900. Forest conditions in Porto Rico. For, Leaves 

7:183. 

381. Grosourdy, R. de. 

1864. El medico botdnico criollo, 4 vols, Paris. 

Medical and therapeutical botany of the West Indies. 

382. Gunlach, J. 

1887-1894. Fauna Puertorriquefia. Soc. Espan. Hist. 

Natur. An. V. 16-22, 

383. Haas, William Herman. 

1940. The American empire. 408 p. The Univ. of 

Chicago Press, Chicago. 

384. Haber, W. A,, and C. G. Moore. 

1973. Aedes aeqypti in the Puerto Rico rain forest: 

results of a one-year survey. Mosq. News 33(4):576-578. 

385. Hacskaylo , Edward. 

1971. Field innoculations with mycorrhizal fungi. In 

Proceedings of the first North American ~onferenceon Mycorrhizae, Zdwxd ~ackskayio, cd. U.S. Dep. Agric., 

For. Serv., Misc. Publ. 1189, p. 187-196. 

386. Hacskaylo, Edward. 

1977. Persistence and fruiting of Ectomycorrizae fungi 

in Puerto Rico. (Abstr). Third North Arneriean Conference on Mycorrhizae, p. 54. U.S. Dep. Agric., For. 

Serv., SE For. Exp. Stn. [Athens, Ga., Aug. 19771. 

387. Hadley, H. H., and C. B. Briscoe. 

1966. Herbicides for forest plantations. US. Dep. 

Agric. For. Serv., Res. Note ITF-6, 6 p. U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., Rio Piedras, P.R. 

[Discontinued series]. 

MSMA, sodium cacodylate, diquat, aminotriazclc, paraquat + 

surfactant, 2,4,-D amine, ametryne, and picram were tested 

for use as herbicides in forest plantations* 
388. Hagloy, E. W. 

1941. Subsistence homesteads on public forest lands 

of Puerto Rico. Rev. Agric., Ind. Comer. P.R. 

33:317-322. 

389. Hall, Roscoe M., Jr. 

1470. ~hermoluminescent dosimetry. In A tropical rain 

forest: a study of irradiation anrecology at El 

Verde, Puerto Rico. Howard T. Odum and Robert F. 

Pigeon, eds. Ch. C-3, p. C 37 - C 40. USAEC, Oak 

Ridge, Tn. 

The procedures used to estimate gamma-radiation dosage 

with lithium fluoride capsules in the rain forest at 

El Verde, Puerto Rico, were tested. 

390. Hall, W. M. 

1938. Hicaco Dam cost estimate. San Juan, Puerto Rico 

Reconstruction Administration, Rural Electrification 

Division. [Mimeo] . 

391. Haman, M. 

1917. Where pine and tropical hardwood meet. Pan Amer. 

Union B. 44:330-331. Trade in San Juan, Puerto Rico. 

392. Hamilton, Gulielmus. 

1825. Prodromus plantarum Indiae Occidentalis hucusque 

cognitarum. V. 8, p. 67. London. 

Includes records of species from Puerto Rico, St. Thomas, 

and St. Croix. 

393. Hamilton, S. H. 

1909. Notes on some ore deposits of Porto Rico. 

Eng. Mining J. 58:518-519. 

394. Hanson, E. 

1935. Planning problems and activities in Puerto Rico. 

Preliminary Report to the Puerto Rico Reconstruction 

Administration and the National Resources Committee. 

San Juan, P.R. Reconstruction Administration. Nov. 

23, 1935, and amended as of Feb. 17, 1936. [Mimeo]. 

395. Harrar, E. S., and D. G. Reid. 

1943. Retention of creosote oil in the wood of Pinus 

occidentalis Swarts. Caribb-For. 4(3):129-131- 

Spanish summary, p. 131. 

396. Harrington, M. W. 

1899. Fauna and flora of Porto Rico. Science 11, 

10:286-288. 

This includes observations on some Puerto Rican plants. 

* 
397. Hart, Freck. 

1977. Exploring El Yunque on new trails. Sunday San 

Juan Star magazine [San Juan, P.R.], July 31, 1977. 

p. 2-3, 

398. Heatwole, H, 

1970-1971. Survey of mangroves of Puerto Rico and 

supplement I to report on mangrove project: Las 

Nareas and Puerto Jobo. 

Reports for Area of Nat. Resour., Dep. of Pub. Wks., P.R. 

San Juan. 

399. Heatwole, Harold, Abel Rossy, Isabel Colorado, and others. 

1970. Effects of radiation on a publication of the 

Puerto Rican tree snail, Caracolus caracolla. In A 

tropical rain forest: a study of irradiation and 

ecoiogy at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. E-1, p. E 17 - E 24. 

USAEC, Oak Ridge, Tn. 

A study of populations of the large snail Caracolus caracolla was made by capture, measurement, marking, andrecapture before and after irradiation. Irradiation did 

not cause widespread mortality, although indirect evidence 

suggested increased mortality close to the source. 

400. Helfenbein, Herman, Carlos G. GonzSlez, Julio Rodriguez 

Pi56nf JOS~ Muratti, Arthur Upson. 

1946. Informe del ComitE de m as on om la. Conferencia 

Alrededor de 10s Problemas de la Montaca en Puerto 

Rico. Rev. de Agr. de P.R. 37:283-284. 

Report by the Forestry Committee: Conference on the 

problems of the mountains in Puerto Rico. 

401. ~ern6ndez Agosto, Miguel A. 

1951. La importancia del vivero forestal en el programa de conservaci6n de suelos y aguas. Rev. de Agr. 

de P.R. 42(1-2):122-126. 

The importance of the forestry nursery in the conservation 

program of the soils and water. 

402. Hern6ndez Agosto, Misuel A. 

1966.~onservaci6n de lor; recursos naturales depuert- Rice, 

ZS-L~ agricultura de Puerto Rico: situaciBn y posibilidades. [Informe a1 Gobernador 1-Ion.Roberto ~6nchez 

Vilella]. Rev. de Agr. de P.R. 53 (1-2) :19-24. 

Conservation of the natural resources in the agriculture 

of Puerto Rico: situation and possibilities. [Report to 

the Governor of Puerto Rico] . 
Hibbin, T., and R. ~ic6. 

1948. Industrial development of Puerto Rico and the 

Virgin Islands of the United States. p. 142-144. 

Port of Spain, Trinidad. 

Hill, L. W. 

1971. ITF Program evaluation. 20p. U.S. Dep. Agric. 

For. Serv., Inst. Trop. For., R~O Piedras, P.R. 0 

A publication discussing the future direction of environmental tropical forestry. 

Hill, L. W. 

1973. [Rev.] The Caribbean National Forest. 6 p. 

U.S. Dep. Agric., For. Serv., Inst. Trop. For., 

Rlo Piedras, P.R. 

Hill, L. W. and D. B. Monteith. 

1968. Forest influences applied to urban planning. 

Paper presented at Conf. on the Environment and 

Planning, Dec. 2-5, 1968. Univ. of P.R., Rlo Piedras, 

P.R. 20 p. 

Hill, L. W., and D. B. Monteith. 

1969. La influencia de 10s bosques en la planificaci6n 

urbana. Plerus 4 (2) : 57-74. 

The influence of forests in urban planning. 

Hill, R. T. 

1899. Notes on the forest conditions of Porto Rico. 

Bull. U.S. Dep. Agric. Div. For. 25:l-48, pl. f-8. 

Description of the forests as then existing and of the 

woods of some of the forest trees. 

Hill, Robert. 

1899. Mineral resources of Porto Rico. U.S. Geol.Ann. 

Report, p. 771-787. U.S. Gov. Print. Off., 

Washington, D.C. 

Holdridge, L. R . 1934. A brief sketch of the Puerto Rican flora. 

Plants and Plant Science in Latin America. 

Waltharn, Mass. 

Holdridge, L. R. 

1936. Caoba. Rev. de Agr. de P.R. Suplemento No.3:25-30. 

Illus., 6 refs. 

Mahogany. 
Holdridge, L. R. 

1937. Supervisor's annual planting report. Caribbean 

National Forest, Puerto Rico insular forests and 

Puerto Rico Reconstruction Admimistration. 

RXo Piedras, P.R. 

Holdridge, L. R. 

1938. Supervisor's annual planting report. Caribbean 

National Forest, Puerto Rico insular forests, and 

Puerto Rico Reconstruction Administration. Rio Piedras, P.R. 

Holdridge, L. K. 

1939. Forestry in Puerto Rico. Caribb. For. 1(1):7-11. 

4 - 

1940. Calophyllum antillanum, a desirable tree for 

difficult planting sites. Caribb. For. 1(2):27-28. 

Holdridge, L. R. 

1940. The possibility of close cooperation for mutual 

benefit between agriculture and forestry in the 

American tropics. Caribb. For. 1(3):25-29. 

Holdridge, L. R. 

1940. A rapid method of extracting balsa seed. 

Caribb. For. l(2) :25, 

Holdridge, L. R. 

1940. Some notes on the mangrove swamps of Puerto Rico. 

Caribb. For. 1(4):19-29. 

Holdridge, L. R. 

1942. Arboles de Puerto Rico. Vol. I. U.S. Dep. Agric. 

For. Serv., Pub. Nbm. 1, 105 p. U.S. Dep. Agric. 

For. Serv., Trop. For. Exp. Stn. [now named Inst. Trop. 

For.] , ~fo Piedras, P.R. 

Trees of Puerto Rico. 

Holdridge, L. R. 

1942. Trees of Puerto Rico. Vol. I U.S. Dep. Agric. 

For. Serv., Occ. Pap. No. 1, 105 p. U.S. Dep. Agric. 

For. Serv., Trop. For. Exp. Stn. [now named Inst. 

Trop. For.] , RTo Piedras, P.R. 

421. Holdridge, L. R. 

1942. Trees of Puerto Rico. Vol 11. U.S. Dep. Agric. 

For. Serv., Occ. Pap. No. 2, 105 p. U.S. Dep. Agric. 

For. Serv., Trop. For. Exp. Stn. [now named Inst. 

Trop. For.], RTo Piedras, P.R. 
422, oldr ridge, L. R. 

1943. Arboles de Puerto Rico Vol. 11. U.S. Dep. Agric. 

For. Serv., Pub. N6m. 2, 105 p. U.S. Dep. Agric. For. 

Serv., Trop. For, Exp. Stn. [now named Inst. Trop, For.], 

RLo Piedras, P.R, 

Trees of Puerto Rico. 

423. ~oldridGe, L. R. 

1945. A brief sketch of the Puerto Rican flora. In 

Plants and plant science in Latin America by ~raG 

Verdoorn, Chronica Botanica Co. Waltham, Mass. p. 81-83, 

424. Holdridge, L, R. 

1970. A system for representing structure in tropical 

forest associations. In A tropical rain forest: a 

study of irradiation as ecology at El Verde, Puerto 

Rico, Howard To Odum and Robert F. Pigeon, eds. 

Ch, B-12, p. t3 147 -B 150. USAEC, Oak Ridge, Tn. 

A procedure for construction of an idealized profile of 

mature trees is described, and an example from the study 

sites at El Verde, Puerto Rico, is given. 

425. Holdridge, L. R., and Carlos Mukiiz McCormick. 

1937. Notes on poisonous and stinging haired plants 

of Puerto Rico. U.S. Dep. Agric. For. Serv. 14 p. 

RIo ~iedras, P.R. 

Spanish version, Apuntes sobre las plantas venenosas y 

de pelos punzantes de P.R. 

426. Holdridge, L. R., and Jos6 Marrero. 

1940. Preliminary notes on the silviculture of the bigleaf mahogany. Caribb. For. 2(1):20-23. 

427, Holler, J. R. 

1966. Microfungi of soil root and litter of a Puerto 

Rican lower montane rain forest. Thesis. Dep. of 

Biol,, Univ. of So. Carolina, Columbia. 

428. Holler, James R., and G. To Cowley. 

1970. Response of soil, root, and litter microfungal 

populations to radiation. In A tropical rain forest, 

a study of irradiation and ecology at El Verde, Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, eds. 

Ch. F-6, p* F 35 - F 39. USAEC, Oak Ridge, Tn. 

Microfungal populations were isolated from the soil, root, 

and Litter layers in both the Radiation and the South 

Control Centers of the Rain Forest project before irradiation 

in the sumer of 1964 and after irradiation in the suimner 

of 1365. The total population in the soil of the ~adiation 

Center a2te irradiation was significantly nigher than that 

of the South Control Center, and the litter population of the 

North Cut Center was significantly higher than all other 

populations, 
Hollick, Arthur. 

1924. A review of the fossil flora of the West Indies, 

with description of new species. Bull. N.Y. Bot. 

Gard. 12~259-323, pls. 1-15, 

This review includes descriptions and illustrations of 

specimens from Puerto Rico. 

Hollick, Arthur. 

1926. Fossil walnuts and lignite from Porto Rico. 

J. N.Y. Bot. Gard. 27:223-227. 

This is a description and illustration of Juglans archaeoantillana. 

Hollick, Arthur. 

1926. Paleobotanical exploration in Porto Rico. 

J. N.Y. Bot. Gard, 27:102-104. 

Report on field work in 1926. 

Hollick, Arthur. 

1928. Paleobotany of Porto Rico. In Scientific Survey 

of Porto Rico and the Virgin 1slaZs 7:177-238, 

pls. 51-88. N.Y. Acad. Sci., New York. 

A record of collections made in 1926, including historical 

and geological data, descriptions, and illustrations of 

tertiary species. 

Horn, Claud L. 

1945. Plant resources of Puerto Rico. In Plants and 

Plant Science in Latin Aierica by ~rannerdoorn. 

p. 83-85. Chronica Botanica Co., Waltham, Mass. 

Hottle, Walter D. 

1930. La propagaci6n y distribuci6n de 6rboles en 

Puerto Rico. Rev. de Agr. de P.R. 25(9):118. 

The propagation and distribution of trees in Puerto Rico. 

Howard, Alexander L. 

1934. A manual of the timbers of the world and their 

characteristics and uses. 672 p. MacMillan and Co. 

Ltd., London. 

Howard, R. [Richard] A. 

1968. The ecology of an elfin forest in Puerto Rico, 1. 

Introduction and composition studies. J. Arnold 

Arbor. 49(4):381-418. 22 refs. 

This is the first of a series of papers by various 

collaborators, on an elfin forest on the undisturbed summit 

of Pico del Oeste in the Luquillo Mountains. Comparable 

studies are briefly reviewed, species of the vascular flora 

listed, and composition studies described. 
437. Howard, R. [Richara] A. 

1969. The ecology of an elfin forest in Puerto Rico, 8. 

Studies of stem growth and form and of leaf structure. 

J. Arnold Arbor. 50(2):225-267. 38 refs. 

Briefly discusses observations under the heads: growth 

and form; monopodial and sympodial growth; dichotomous 

branching; dieback; bud protection; leaf size and morphology; 

leaf development, number and persistence; factors of productivity of the leaves; and leaf damage. 

438. Howard, Richard A. 

1957. Studies in the genus Coccoloba, IV. The Species 

from Puerto Rico and the Virgin Islands and from the 

Bahama Islands. J. Arnold ~rbor. 38:211-242. 

439. Howard, Richard A. 

1966. Notes on some plants of Puerto Rico.. J. Arnold 

Arbor. 47 (2) : 137-146 . 

440. Howard, Richard A. 

1970. The summit forest of Pico del Oeste, Puerto Rico. 

- In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. B-20, p. B 32543 328. 

USAEC, Oak Ridge, Tn, 

These studies of aspects of climate, systematic botany, 

phenology, cytology, biochemistry, epiphytic life, growth, 

soils, and other features made within the dwarf summit 

forest on West Peak in the Luquillo Mountain Range mention 

the importance of liverworts, the prevalence of adventitious 

rooting, difficulties with seed germination under ordinary 

conditions, characteristic morphology of leaves, and the 

absence of synchronized leaf fall. 

441. Howe, Marshall A. 

1923. Botany of Puerto Rico and the Virgin Islands. 

J. N.Y. Bot, Gard. 24:188-189. 

442. Howell, B. 

[nod.] Patterns of rural resettlement in Puerto Rico. 

Unpublished report available from the Centro de Investigaciones Sociales, Univ. de P.R., Rio Piedras, 

P . R. [mimeo] . 
Hutton, Robert S., and Reinhold A. Rasmussen, 

1970. Microbiological and chemical observations in a 

tropical forest. In A tropical rain forest: a study 

of irradiation andecology at El Verde, Puerto Kico. 

Howard T. Odurn and Robert F. Pigeon, eds. Ch. F-8, 

p. F 43 - F 56. USAEC, Oak Ridge, Tn. 

Counts were made of fungi and bacteria after standardized 

aerial exposures of plates at various heights on vertical 

towers in forests at El Verde, Puerto Rico, and at Ft. Clayton 

Canal Zone. The largest number of colonies of fungi and 

bacteria was found at the middle height of the canopy 

(50 ft), and the ratio.of bacteria to fungi was greater at 

this height. 

Hyman, Margaret. 

1970. El Cadamba: siembra se prob6 en El Yunque. 

El Mundo [San Juan, P.R.], June 27, 1970. p. 5-C. 

The Kadam Tree: planting tested in the El Yunque forest 

(Caribbean National Forest). 

Institute of Tropical Forestry, Forest Service, USDA. 

1961. Annual Report Tropical Forest Research Center. 

Caribb. For. 22 (112) :I-11. 

Institute of Tropical Forestry, Forest Service, USDA. 

1962. Annual Report for 1961. Caribb. For. 23(1):1-14. 

Institute of Tropical Forestry, Forest Service, USDA. 

1963. Annual Report for 1962. Caribb. For. 24(1):1-17. 

According to this report the program of the Institute during 

1962 consisted of five broad lines of work: forest management research, forest products utilization research, 

applied forestry, technical forestry assistance, and 

forestry training in Puerto Rico. 

Institute of Tropical Forestry, Forest Service, USDA. 

1964. Annual Report for 1963. U.S. Dep. Agric. For. 

Serv. 24 p. Rfo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1965. Annual Letter for 1964. U.S. Dep. Agric. For. 

Serv. 3 p. Rlo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1966. Annual Letter for 1965. U.S. Dep. Agric. For. 

Serv. 7 p. Rfo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1967. Annual Letter for 1966. U.S. Dep. Agric. For. 

Serv. 5 p. Rlo Piedras, P .R. 
Institute of Tropical Forestry, Forest Service, USDA. 

1968. History of the Forest Service in Puerto Rico 

and the Virgin Islands. 2 p. 

Institute of Tropical Forestry, Forest Service, USDA. 

1968. Annual Letter for 1967. U.S. Dep. Agric. For. 

Serv. 14 p. Rlo Piedras, P.R. 0 

Institute of Tropical Forestry, Forest Service, USDA. 

1969. Annual Letter for 1968. U.S. Dep. Agric. For. 

Serv. 17 p. Rlo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1970. Annual Letter for 1969. U.S. Dep. Agric. For. 

Serv. 17 p. Rlo Piedras, P.R. 

Institute of Tropical Forestry, Forest service,.^^^^. 

1971. Annual Letter for 1970. U.S. Dep Agric. For. 

Serv. 18 p. Rfo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1972. Puerto Rico m6s o menos [Puerto Rico more or 

less]. 16mm. color film, 20 mins. Inst. Trop. For., 

R~O Piedras, P.R. 

Available with Spanish or English soundtrack. 

Institute of Tropical Forestry, Forest Service, USDA. 

1972. Annual Letter for 1971. U.S. Dep. Agric. For. 

Serv. 21 p. Rlo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1973. Annual Letter for 1972. U.S. Dep. Agric. For. 

Serv. 14 p. ~fo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1974. Annual Letter for 1973. U.S. Dep. Agric. For. 

Serv. 13 p. Rlo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1975. Annual Letter for 1974. U.S. Dep. Agric. For. 

Serv. 19 p. RBo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1976. Annual Letter for 1975. U.S. Dep. Agric. For. 

Serv. 16 p. RBo Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1977. Annual Letter for 1976. U.S. Dep. Agric. For. 

Serv. 26 p. RZO Piedras, P.R. 

Institute of Tropical Forestry, Forest Service, USDA. 

1978. Annual Letter for 1977. U.S. Dep. Agric. For. 

Serv. 8 p. Rfo Piedras, P.R. 
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472. Johnson, Philip L., and David M. Atwood. 

1970. Aerial sensing and photographic study of the El 

Werde Rain Forest. In A tropical rain forest: a 

study of irradiationxnd ecology at El Verde, Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, eds. 

Ch. B-5, p. B 63 - B 78. USAEC, Oak Ridge, Tn. 

Aerial and ground photographs of the El Verde rain forest 

site were obtained over a two-year period. They recorded 

the consistency of the vegetational patterns in untreated 

sites and the changes that occurred following gamma irradiation, 

473. Jones, C. F, 

1952. The rural land classification program of Puerto 

Rico, Tn The rural land classification program of 

Puerto Zco. Northwestern Univ. Studies in Geog., 

No. 1. The William and Marian Haas Research Fund, 

p. 1-76. Evanston, 111. 

474. Jordan, C. F. 

1967. Recovery of a tropical rain forest after garnma 

irradiation. In Symposium on radio ecology; proceedings of the second national symposium. USAEC Report 

CONF-670503. p. 88-98. Ann Harbor, Mich. 

475. Jordan, C. E. 

1970. Flow of soil water in the lower montane tropical 

rain forest. In A tropical rain forest:. a study of 

irradiation az ecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. H-18, 

p. H 199-H 200. USAEC, Oak Ridge, Tn. 

Experiments with runoff pans at two depths in the soil at 

El Verde show that rainfall penetrates downward vertically 

through loose upper layers until it reaches denser layers 

below upon which it flows laterally and downhill. 

476, Jordan, C, [Carl] F. 

1970. Movement of 85~r. and 134~s bythe soil water of 

a tropical rain forest. In A tropical rain forest: 

a study of irradiation anxecology at El Verde, Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, eds. 

Ch. H-19, p. H 201 - H 204. USAEC, Oak Ridge, Tn. 

Radioactive strontium and cesium were used to tag waters 

applied to rain forest plots under which were located 

lysimeters at litter level and at a 5-in. depth within the 

mineral soil. Changes in the rate of release of these 

elements with time suggest the effectiveness of the litter 

layer in retaining minerals. 

477. Jordan, C. [Carl] F., and J. R. Kline. 

1976. Stroniun-90 in a tropical rain forest: 12th-yr. 

validation of a 32-year prediction. Health Phys. 

30 (2) : 199-201. 
478, Jordan, Carl F. 

1970. Vegetative sprouting following irradiation of 

a tropical rain forest. In A tropical rain forest: 

a study of irradiation anrecology at El Verde, Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, eds. 

Ch, D-19, p, D 305 - D 308. U , 0a.k fidge, 

The importance of vegetative sprouting was studied in the 

El Verde Radiation Center 18 months after irradiation. 

Sprouting was less important in the recovery of the irradiated tropical rain forest in Puerto Rico from a short 

period of radiation than it was in the recovery of a temperate forest in Georgia. 

479. Jordan, Carl F. 

1970. A progress report on studies of mineral cycles 

at El Verde. In A tropical rain forest: a study 

of irradiation7nd ecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. H-22, 

p. H 217 - H 219. USAEC, Oak Ridge, Tn. 

Studies in progress on mineral cycles of some principal 

elements within the El Verde Forest are summarized using 

mineral-cycle diagrams to show magnitudes in data so far 

obtained and to indicate portions of the budget which 

require further analysis. 

4 80 % Jordan, Carl F., and George Drewry . 1969. The Rain Forest Project Annual Report. USAEC 

Report PRNC- 129. 144 p. P.R. Nuclear Center, Univ. 

of Puerto Rico, Rfo Piedras, P.R. 

The three objectives of the Rain Forest Project study are: to 

determine the effects of gamma radiation on the tropical 

ecosystem, to study the cycling of stable and radioactive 

isotopes through the ecosystem, and to investigate basic 

biological functions of the ecosystem in order to better 

understand phenomena related to the first two objectives. 

Studies of secondary succession in the forest opened up 

by radiation are continuing, and changes during the first 

three years of succession are reported here. 

481. Jordan, D. G. 

1973. A summary of actual and potential water resources 

Isla de Mona, P.R. In Mona and Nonito Islands: an 

assessment of their Gtural and historical resources. 

VoL. 2, App. D, p. 1-8. Junta de Calidad Ambiental 

[Env. Quality Bd.] , San Juan, P.R. 

482. Kaye, C. A. 

1959. Shoreline features and quaternary shoreline changes, 

Puerto Rico. U.S. Dep. Int., U.S. Geol. Surv. Prof. 

Pap. 317-B. 140 p., maps, pls. 
483, Kaye, Clifford A. 

1959. Geology of Isla de Wna, Puerto Rico, and notes on age 

of Wna Passage. U. S . Ikp, Int , , Coastal 

Rico Geological Survey Prof, Pap, 317-C, 48 p., maps. 

484. Kepler, Angela Kay. 

ferns of Luquillo Forest, Puerto Rico. 125 p. 

Inter-her. Uni.v, Press, San Juan, P.R, 

485. Kepler, Angela Kay. 

1975. Helechos cmes del bosque de Luguillo, Puerto Rico. 

128 p. Inter-&ere Univ Press, San Juan, P.R. 

4 86 . Kepler , Caneron B , 

1970. Especie boricua yue se extingue, EL [Sari Juan, PvR.], 

Apr. 30, 1970. p, 23-C. 

enct birds of Puerto fico. 

487. Gpler, mron B. 

1971. First Puerto Rican record of the Antillean Palm Swift. 

Wilson Bull. 83 (3) : 309-310. 

488. Kepler, Cameron B., and Angela K. Kepler. 

1970. Preliminary c~ison of bird species diversity and 

density in Luquillo and GutSnica forests. In A tropical rain 

forest: a study of irradiation and ecoleat El Verde, Puerto 

Rico. Ward T. Odium and Robert F. Pigeon, eds, Ch. E-14, 

p. E 183 - E 191. USAEC, Oak Ridge, m. 

In transect studies, diversity of birds was greater in the dry forest 

at Gudnica, Puerto Rico, (38 species) than in the Luquillo Forest 

(18 species). 'Ibtal bird density was also greater. In Appndix A 

are observations on the remaining flocks of the near extinct Puerto 

Rican parrot. In Appendix B the tody's life-history characteristics 

a. compared in the Luquillo and GuSnica forests. 

489, Kepler , C . [Cca'~eron] B. , and K, 6. Parkes . 1972. A new species of warbler (Parulidae) fm Puerto Rico. 

Auk 89:l-18. 

490. Kline, J. R., ed. 

1967. Rain Forest Project. In .9nnual Report of -to Rico 

Nuclear Center, USAEC ~epo;f Pl?.NC-121. p. 159-181. 

IBiv. of Puerto Rice Nuclear Center, Rfo Piedras, P.R. 
491. Kline, J. R. 

1970. Retention of fallout radionuclide by tropical 

forest vegetation. In A tropical rain forest: a 

study of irradiationand ecology at El Verde, Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, eds. 

Ch. H-17, p. H 191 - H 197. USAEC, Oak ~idge, Tn. 

Freshly fallen leaf litter and live-leaf samples pruned 

from trees were collected monthly at El Verde experimental 

site to measure the biological half-times for retention 

of four nuclides in tropical forest vegetation. The data 

show that some of the nuclides have been partially incorporated into the forest mineral cycle. 

492. Kline, J. R., and C. F. Jordan. 

1970. Tritium movement in soil of a tropical rain 

forest. In A tropical rain forest: a study of 

irradiation and ecology at El Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. H-8. 

p. H 129 - H 131. USAEC, Oak Ridge, Tn. 

Tritiated water applied to the surface of soil 

in a tropical rain forest was found in free water of the 

litter and the top cm of soil as long as seven months 

after its application. It is concluded, therefore, that 

plant roots, even in the high-rainfall environment of a 

tropical rain forest, are exposed to tritiated water for 

a considerable time after release. 

493. Kline, J. R., Carl F. Jordan, George E. Drewry, and others. 

1967. The Rain Forest Project Annual Report. USAEC 

Rep. PRNC-103. 201 p. P.R. Nuclear Center, Univ. 

of Puerto Rico, Rfo Piedras, P.R. 

This is the annual report of work done on the Rain Forest 

Project at El Verde, P.R. The experimental emphasis 

includes detailed studies on radionuclide behavior in the 

tropical forest and studies on the recovery and succession 

in the irradiated area. 

494. Kline, J. R., C. F. Jordan, and G. E. Drewry. 

1968. The Rain Forest Project Annual Report. USAEC 

Rep. PRNC-119. P.R. Nuclear Center, Univ. of Puerto 

Rico, Rfo Piedras, P.R. 

A section of the montane rain forest on El Yunque Mountain 

was irradiated and many follow-up studies have been completed. Present effort is being directed to long term 

studies on recovery and succession of vegetation in the 

irradiated area and to detailed investigations of mineral 

cycling and distribution in the tropical ecosystein. 
495. Kline, J. R., and Nelson Mercado. 

1970. Preliminary studies of radionuclide cycling 

in understory plants in the rain forest. In A 

tropical rain forest: a study of irradiatEn and 

ecology at El Verde, Puerto Rico. Howard T. Odum 

and Robert F. Pigeon, eds. Ch. H-20, p. H 205-H 209. 

USAEC, Oak Ridge, Tn. 

An experiment was carried out in the understory of the El 

Verde rain forest to determine the fate of several radionuclides applied to the forest floor in water-soluble 

carrier-free form. Uptake by plants was extremely slow 

for all the nuclides of this experiment. It was concluded 

from the slow movement of nuclides that the El Verde forest 

was not in a steady state with regard to turnover of its 

burden of fission products. The experiment supports the 

hypothesis that fission products in vegetation of this 

forest are the result of their interception and retention 

on leaf surfaces. 

496. Kline, J. Re, and H. T. Odum. 

1970. Comparisons of the amounts of fallout radionuclides in tropical forests. In A tropical rain 

forest: a study of irradiationxnd ecology at El 

Verde, Puerto Rico. Howard T. Odum and Robert F. 

Pigeon, eds. Ch. H-15, p. H 181 - H 186. USAEC, 

Oak Ridge, Tn. 

Leaves and forest litter were collected from .10 tropical 

forests in Puerto Rico, Dominica, Trinidad, and Central 

America for analyses of fallout radionuclide content. 

Highest isotope levels were found in the northernmost 

tropical forests at the highest elevations above sea level. 

The amounts of contamination showed a general decrease 

with decreasing latitude. 

497. Kline, J. R., H. T. Odum, and J. C. Bugher. 

1970. Effect of gamna radiation on leaching of 137~s and 54Mn 

£ran tropical forest foliage and litter. In A tropical rain 

forest: a study of irradiation and ecologyat El Verde, Puerto 

Rico. amward T. Odum and Robert F. Pigeon, eds. Ch. II-16, 

p. H 187 - H 189. USW, Oak Ridge, m. 

The effect of gamna radiation on removal of fallout radionuclides by 

leaching from rain forest trees and litter was investigated. Samples of canopy leaves were collected both before and after irradiation. 

The results from preirradiation and pstirradiation collections show 

that radiation had no nleasurable effect on the rates of leaching of 

13%s and 54~4n from the forest canopies. 

498. Klots, E. B. 

1932. Insects of Porto Rico and the Virgin Islands, Odonata. 

- In Scientific Survey of Porto Rico and the Virgin Islands 

14(1):1-104. N.Y. $cad. Sci., New York. 
499. Knapp, Sl- A, 

1901. A report on investigation of agricultural resources and 

ilities of Puerto Rice- US, ate, 56th Cong., 2d sess,, 

171. 32 p. U.S. Gov. Print. O , WasKngton, D.C. 

500. Kobuski, Clarence E. 

1943. Studies in the Theaceae. XIV, Notes on the West Indian 

Species of Wrmm&a J. ld Arbor. 24:60-76, 

501. Koenig, N. 

1953. A cmprehasive agricultural program for Puerto Rico. 

U.S. Gov. Print. Off., Washington, D.C. 299 p. 

502. Kolehmainen, S, E., and W. K. Hildner. 

1974. Zonation of organisms in Puerto Rican red 

(Rhizophora mqle L.) swamps. Proc. Int. Syrrp. on Biol. 

and Mang. Mangroves, Pt I, Inst. Food and Agric. Sci., Univ. 

of Fla,, Gainsville. 

503. Koo, F. K. S., and E. Wles de ~rizarry. 

1965. Radiation genetics and radiation botany. - In Rain Forest 

Project Annual Report. USAK Report PRNC-61. Terrestial 

Ecology Program I. p. 88-94, P.R. Nuclear Center, Univ. of 

Puerto Rico, Mo Piedras, P.R. 

504. Koo, F. K. S., and Edith R. de Irizarry. 

1970. Nuclear volm and radiosensitivity of plant species at 

El Verde. In A tropical rain forest: a study of irradiation 

and ecology% El Verde, Puerto Rico. Howard T. Odum and 

Robert F. Pigeon, eds. Ch. G-1, p. G 15 - G 20. USA=, Oak 

Ridge, Tn. 

Nuclear volumes of 68 plant species were studied. The 100% growthinhibition dose observed for twigs appears to agree with the predicted 

inhibition dose in the majority of instances, although these species 

as a whole tend to be more resistant than predicted. 

505. Koo, F. K. S., Howard T. Odm, and Edith Robles de ~rizarry. 

1970. Effect of gm radiation on chlorophyll A content in 

bromeliads. In A tropical rain forest: a study of irradiation 

and ecology at~l Verde, Puerto Rico. Howard T. Odum and 

Robert F. Pigeon, eds. Ch. D-17, p. D 295 - D 298. USAEC, Oak 

Ridge, Tn* 

Chlorophyll A and optical transmission density of leaves were measured 

in bromeliads which were removed from the El Verde forest, irradiated 

with gm radiation and retained in moderate illumination in a green 

house. Chlorophyll and optical transmission density of leaves declined 

in the 60 days following irradiation with imre decrease in plants 

receiving 75 kr or mre. Significant correlation was found between 

chlorophyll A and transmission density of the leaves. 
Koo, F. K. S,, and R. C. Venator. 

1970. Radiation effect on survival and growth of broeliads, 

- In A tropical rain forest: a study of irradiation and ecol 

at El Verde , Puerto ace. Howard T. C9dm and Robert F. Pigeon, 

eds. Ch. D-18, p. D 299 - D 303. USAEC, Oak Ridge, m. 

The survival md continuing growtki of braneliads were studid in relation 

to gamna irradiation with acute doses applied under greenhouse conciitions 

and 3inonth doses in the natural rain forest environment at El Verde. 

Branteliads were resistant, with 85% of the plants surviving acute 

radiation of 48 kr. In the field after two years, 33% had survived 

33 kr. New growth centers developd at 7.7 kr. 

Krarer, I,?illiam P. 

1924. El bosque del acueducto. [Watershed] Rev. de Agr. de P.R. 

12 (5) : 315-323. 

Kramer , William P . 1924. La casuarina. Rev. de Agr. de P.R. 12:15-16. 

Kramer , William P . 1924. Resmn del trabajo realizado durante el mes de noviembre, 

1923. [Div. For., Puerto iiico]. Depto. de Agricultura y Trabajo, 

Div. Forestal. Rev. de Agr. de P.R. 12(1):49-50. 

Sunary of the work done by the P.R. Div. of For., during Noverrber 1924. 

Kra~r, William P . 1924. Resumen del trabajo realizado durante el iws de enero, 1924. 

[Div. For., Puerto Rico]. Depto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 12(2):125-127. 

Sumnary of the work done by the P .R. Div. of For. , during January, 1924. 

Kramer, William P. 

1924. Resmn del trabajo realizado durante el mes de febrero, 1924. 

[Div. For., Puerto Rico]. Depto. de Agricltura y Trabajo, Div. 

Forestal, Rev. cle Agr. de P.R. 12(3):192-194. 

Sw of the work done by the P.R. Div. of For., during February 1924. 

Krv, William P. 

1924. Resumen del trabajo realizado durante el mes de marzo, 1924. 

[Div. For., Puerto Rico]. Depto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 12(4):247-250. 

Sv of the work done by the P.R. Div. of For., during March 1924. 

Krmr, William P. 

1924. Resurren del trabajo realizado durante el mes de myo, 1924. 

[Div. For., Puerto Rico] . Depto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 12 (6) :415-417. 

S of.the work done by the P.R. Div. of For., during Nay 1924. 
r, William P. 

1924. &smm del trabajo realizado durmte el ITIES de junio, 1924, 

[Div. For., Pzlerto Hico] . Npto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 13(1):55-57. 

r~ of "the mrk done by the P.R. Div. of For., during June 1924. 

r, Willlm P. 

1924. &s ciel traba-jo realizado durante el rrtes de agosto, 1924. 

(Div. For., Puerto Kico]. Wpto. de Agricultura y Trbajo, Div. 

Forestal. &v. de Agr. de P.R. 13(3):181-183. 

of the work done by the P.R. Div. of For., during August 1924. 

del trabajo realizado dwrante el rnes & septi 

[Div. For., Puerto fico]. &pto. de Agricultura y Tr&ajo,.Div. 

Forestal. Rev. de Agr. de P.R. 13(4):281-283. 

S of the work done by the P,K. Div. of For., during September 1924. 

517. Krar, William P. 

1924. Restmen del trabajo realizado durmte el mes de octubre, 1924. 

[Div. For., Puert0 Rice]. Depto. de Agricultura y Trabajo, Dkv. 

Forestal. Rev, & Agr. de P.R. 13(5):349-351, 

Smry of the work done by the P.R. Div. of For., during October 1924. 

r, William P, 

n del trabajo realizado dwmte el mes dcz miahre, 1924. 

[Div. For., Puerto Rico]. Depto. de Agricultura y Trabajo, ~iv. 

Forestal. Rev. de Agr. de P.R. 13(6):4ll-412. 

Sumnary of the work done by the P.R. Div. of For., during Nov 

519. Krmr, William P. 

1925. El &bol de Chau ra. Rev, de AT. de P.R. 14(2):137-147. 

Description of the Qnau 

520. Kramer, William P. 

1925. 1mpsici6n contributiva sobre terrenos farestales. 

Rev, de Agr. de PA. 14 (2) : 102-109. 

The taxation of forest lands. 

rf Willim P. 

1925. El ~ards"n WJr>breo de Fmold y el prqec~do jaran &bdreo 

de Pueu-a.lo Rico. Rev. de Agr. de P.R. 14(2):85-$7, 

The Id krbretm and the bo cal garden project for Puerto fico, 
, William PI 

5. &sumen del trabajo realizado durante el rres de dici 

(Div. For. , Puerto Rico] . Depto. de Agricultura y Trabajo , Div . Forestal. Rev. de Agr. de P.R. 14(1):3-33. 

S of the work done by the P.R. Div. of For., during December 1924. 

r, William P. 

jo realizado dnante el ms =-of 1925. 

[Div. For., Puerto Kico]. Depto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 14 (2) : 148-149. 

of the work done by the P.R. Div. of For., during January 1925. 

jo realizado durante el mes de febrero, 1925. 

[Div. For., Puerto fico] . Depto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 14(3):224-228. 

work done by the P.R. Div. of For., during February 1925. 

r, William PI 

25. Resm del tr 10 realizado durmte el ms de mrzo, 1925. 

[Div. For., Puerto fico] . Depto de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agri. de P.R. 14(3):280-282. 

S of the work done by the P.R. Div. of For., during March 1925. 

r, b7iLlim P. 

n de 10s trabajos verificados en abril, 1925. 

[Div. For., Puerto Rico] . Depto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 14(5)335-339. 

S of the work done by the P.R. Div. of For., during April 1925. 

Kramer, William P. 

1925. Resumen de 10s trabajos verificados en myo, 1925. 

[Div. For. , Puerto Rico] . Depto. de ~gricultura y Traba jo , Div . Forestal. Rev. de Agr. de P.R. 14(6):374-377. 

S of the work done by the P.R. Div. of For., during May 1925. 

(I 

del trabajo efectuado pr la Divisi6n Forestal durante el ms de junio de 1925. Depto. de Agricultura y Trabajo, 

Div. For. Kev. de Agr. de P.R. 15(1):33-35. 

, William P. 

1926. Forestry work in the island of Porto Rico. J. For. 24:419-425. 

r, William Pe 

1926. &yes forestales necesarias en Puerto Rico. Rev. de Agr. 

de P,R. 17(6):25-26. 

The necessity of forestry laws in Puerto Rico. 
531. Krarrer, William P. 

1926. Resumen del trabajo efectuado durante el ms de dicidre, 

1925. [Div. For., Puerto Rico]. Depto. de Agricultura y Trabajo

Div. Forestal. Rev. de Agr. de P.R. 16(1):27-28. 

S of the work done by the P.R. Div. of For., during Dec 

532. Krm, William P. 

1926. Res jo efectuado durante el ms de enero, 1926. 

[Div. For., Puerto Rico]. Depto. de Agricultura y Trabajo, 

Div. Forestal. Rev. de Agr. de P.R. 16(2):94-95. 

ry of the work done by the P.R. Div. of For., during January 1926. 

533. Krmr, William P. 

1926. Resumen del trabajo efectuado durante elms de ffebrero, 1926

[~iv. For., Puerto Rico]. ~eptc. ae Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 16(3):154-155. 

Sumnary of the work done by the P .Re Div . of For. , during February 1926 

534. Kramer, William P. 

1926. Resm del trabajo efectuado durante el ms de wzo, 1926. 

[Div. For., Puerto Rico] Depto. de Agricultura y Trabajo, Div. 

Forestal. Rev. de Agr. de P.R. 16(4):208-209. 

S of the work done by the P.R. Div. of For., during March 1926. 

535. Krmr, William P. 

de 10s trabajos efectuados en el plantel del Servicio Forestal durante 10s mses de abril y mayo, 1926. Depto. 

de Agricultura y Trabajo, Div. Forestal. Rev. de Agr. de P.R. 

16 (6) : 301-305. 

Surnnary of work done by the Forest Service during April and May 1926. 

536. Kran-er, William P. 

1926. Resumen de 10s trabajos efectuados en el plantel del Servicio Forestal correspondiente a1 ms de junio, 1926. Depto. 

de ~gricultura y Trabajo Forestal. Rev. de Agr. de P.R. 

17 (1) : 20-21. 

Sumnary of work done in the Forest Service during June 1926. 

537. Krmr, William P. 

1926. Una estaci6n experimental de silvicultura en prspctiva 

para Puerto Rico. Pev. de Agr. de P.R. 16(2):75-77. 

A perspective for an e 

538. Krarrter, William P. 

1928. Plan de repoblaci6n forestal para Puerto Rico. Obras ~Clblicas & P .2. 5 (52) : 1578-1581. 

Reforestation plan Cox Puerto A%co. 
r, William P. 

1929. ms Estados midos necesitan bosques tropicales. 

Rev. de Agr. de P.R. 23 (4) :164-165. 

The United States' need for tropical forests. 

de la ~ivisifh Forestal, Depto. de ~gricultura 

y Trabajo. Rev. de Agr. de P.R. 25(3):104-107 y 129. 

Report of the Forest Division, Puerto Rico Dept. of Agriculture and 

Labor. 

541. Kramer, William P. 

1930. La agricultura y la silvicultura. Rev. de Agr. de P.R. 

25 (7) : 21, 40-41. 

Agriculture and forestry in Puerto Rico. 

542. Kraner, William P. 

1930. =yes de Puerto .hco: autorizando la adquisici6n de terrenos para fines forestales y la clasificaci6n de ciertos terrenos cm bosques auxiliares insulares. Rev. de Agr. de P.R. 

25 (3) : 123-125 y 130. 

Puerto riican laws that pe .t; the ac.quisition of land for forests 

and the classification of land a.s auxiliary state forests, 

543. Kramer, William P. 

1930. Timber markets in Porto Rico. For. Wrker 6(6):11-12. 

544, Km, K. W. O., and C. B. Briscoe. 

1963. Forest formations of Puerto Rico. Caribb. For. 24(2):57-66. 

545. Kuntze, Otto. 

1881. Un die erde. ~eipzig, Germany. 

Contains account of the author's visits to St, Thcrmas and Puerto Rico 

in 1874. 

546. Kuntze, Otto. 

1891-1893. Revisio Gnarurn Plantarum. 3 vols. Ieipzig, Germany. 

Contains records of specimens collected by the author in St. Thomas 

and . Puerto l3.i~~. 

547. La Bs~lle, , and Douglas J. Pool. 

1978. On tihe need for of cloud-forest parks in middle 

rica and the Car romtal Conservation 5(3):183-190, 

548. F. Bruce. 

1959. A selected, annotated bibliography on mahogany. Caribb. 

For. 20 (3.12) : 17-37. 
1960. An approach to mhogany tree improvmt. Caribb. For. 

21 (112) : 12-20. 

550. , F. Bruce, C. B. Briscoe, and G. H. Englerth. 

1960. Recent observations on forestry in Tropical America. 

Caribb. For. 21(1/2):46-59. 

551. Lavandero, Carlos F. 

1973. Note on the aesthetic importance of Mxxi Island. In Mona 

and Monito Islands: an assessment of their natural anrhistorical resources. V. 11, Appendix 0, 1 p. Junta de Calidad 

Ambiental [Znv. Quality Bd. ] , San Juan, P .R. 

552. Lavigne, R. J. 

1977. Notes on the ants of Luquillo Forest, Puerto Rico. 

(Hymenoptera: Formicidae). Proc. Entcsnol. Soc. Wash. 

79 (2) : 216-237. 

553. ~d, And& Pierre. 

1971. Viaje a la Isla de Puerto Rico en el afio 1797. Traducido 

a1 espaiiol por Julio L. Vizcarrondo. 5ta. edici6n. San Juan, 

Editorial Cw. 177 p. Series "Ediciones Borinquen". 

This is latest Spanish edition of this book; the original in French 

was written in 1810. This contains narratives of observations on the 

vegetation of the islands, 1796-1798, and records of collections made. 

1919. Consideraciones acerca de la destrucci6n de 10s bosques 

de P.R. El &fundo [San Juan, P.R.1, June 14, 1919. p. 11. 

An account of the destruction of forests in Puerto Rico. 

555. Legranti, J. Federico. 

1920. Plantas Cltiles de Puerto Rico. Rev. de Agr. de P.R. 3(2):5-15. 

Useful plants of Puerto Rico. 

556. legrand, J. Federico. 

1920. Plantas Wiles de Puerto Rico. Rev. de Agr. de P.R. 3(3):21-27

Useful plants of Puerto Kico. 

557. Legrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 3(4):5-11. 

Useful plants of Puerto Rico. 

558. Legrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 3(5):1-9. 

Useful plants of Puerto Rico. 
559. Legrand, J. Federico. 

1920. Plantas titiles de Puerto Rico. Rev. de Agr. de P.R. 3 (6) :15-16. 

Useful plants of Puerto Rico. * 

560. kgrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 3(7):12-16. 

Useful plants of Puerto Rico. 

561. Legrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 4 (1) : 20-26. 

Useful plants of Puerto Rico. 

562. Iegrand, J. Federico. 

1920. Plantas Gtiles de Puerto Mco. eve de Agr. de P.R. 4(2):5-10. 

Useful plants of Puerto Rico. 

563. Legrand, J. Fedesico. 

1920. Plantas Gtiles de Pwrto Rico. Rev. de Agr. de P.R. 4(4):17-24. 

Useful plants of Puerto Rico. 

564. Legrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 5(1):1-3. 

Useful plants of Puerto Rico. 

565. Legrand, J. Federico. 

1920. Plantas titiles de Puerto Rico. Rev. de Agr. de P.R. 5(2):1-3. 

Useful plants of Puerto Rico. 

566. Legrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 5(4):1-11. 

Useful plants of Puerto Rico. 

567. Legrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 5(5):1-7. 

Useful plants of Puerto Rico. 

568. Legrand, J. Federico. 

1920. Plantas 6tiles de Puerto Rice. Rev. de Agr. de P.R. 6(1):21-25. 

Useful plants of Puerto Rico. 

569. Legrand, J. Federico. 

1920. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 6(4):11-20. 

Useful plants of Puerto Rim. 
570. Legrand, J. Federico. 

1921. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 6(5):7-16. 

Useful plants of Puerto Rico. 

571. hgrand, J, Federico. 

1921. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 6 (6) :7-16. 

Useful plants of Puerto Rico. 

572. Legrand, J. Federico. 

1921. Plantas Gtiles de Puerto Rico. Rev. de Agr. de P.R. 7(2):5-6. 

Useful plants of Puerto Rico. 

573. Mn, Jorge. 

1966. Central American and West Indian species of Inqa (Leguminosae). 

Ann. Yi. Bot. Gdn. 53(3):265-359. 

574. Leopold, N. F. 

1963. Checklist of bir& of Puerto Kico and the Virgin Islands. 

UIliv. P.R. Agr. Exp. Stn. Bull. No. 168. Rfo Piedras, P.R. 119 p. 

575. Liegel, Leon H. 

1973. Woodland conservation in Puerto Rico-its past, present, 

and future. MS thesis, State Univ. of New York Coll. of 

Ehviron. Sci. and For., Syracuse. 130 p. 

576. Liegel, Leon H., and Gabriel A. del Toro. 

[nod.] Merits of conventional aerial photography in an intensive 

natural resources inventory in Puerto Rico. p. 178-191. 

P.R. Dept. of Natural Resources. Resources Inventory 74-122. 

San Juan, P.R. 

577. Liegel, Leon H., and Gabriel A. del Toro. 

1974. An intensive natural resources inventory aids land use 

planning and resources management in Puerto Rico. In Proc. of 

the Am. Scc. of Photogrmtry, Fall Conv., Sept. 10-13, 1974. 

p. 57-65. 

578. Linds, Ra61. 

1962. ~ecreaci6n en &eas forestales del Estado. Rev. de Agr. 

de P.R. 49 (1) : 103-113B. 

Tkis is an article on the developnt of recreation areas in the 

public forests of Puerto Rico dch were created in the years from 

1939 to 1962. 

579, Liogier, A. 

1965. Nmnclature changes and additions to Britton and Wilson's 

"Flora of Porto Rice and the Virgin Islands." Rhodora 67:315-361. 

580. Liogier, Alain W. 

1967. Further changes and additions to the flora of Porto Rico 

and the Virgin Islands. Rhodora 692372-376. 
581. Little, Elbert L., Jr. 

1953. A new ~yrso frm mato Rico. Fhytologia 4:417-422, illus. 

582. Little, Elbert L., Jr, 

1955. Wtas sobre dendrologfa tropical. U.S. For. Serv., Trop. 

For. Ws. Cent. (now d Inst. Trope For.), RE0 Pidas, P.R. 27 PO 

Notes on tropical dendrol 

583. Little, Ewrt L., JrI 

1955. Notes on tropical dendrology. U.S. For. Serv., Trop. For. 

Res. Cent. (now narwd Inst. Trop. For. ) , Rfo Piedras. P .R. 28 Pa 

584. Little, E 

1955. Trees of Pbna Island. Caribb. For, 16(1/2):36-53. 

Notes on topography, climate, fauna, and history of the island; 

also, a brief survey of the vegetation and its range elsewhere, including 

an annotated list of 100 species of trees and large shrubs. 

585. Little, E&rt L., Jr. 

1969. Trees of Jost Van Dyke (British Virgin Islands). U.S. Dep. 

Agric. For. Serv., Iies. Pap. IlT-9, U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., kfo Piedras, P.R. 

[Discontinued series] . 

Sixty-nine native tree species on Jost Van Dyke, one of the British 

Virgin Islands, and 18 other species are noted as introduced. This 

list, based on field work and collections on April 11-13; 1967, provides distribution records of species previously known from adjacent 

islands. It is also a contribution of the USDA Forest Service project 

on forest trees of the Caribbean area under the International Biological Program. 

586. Little, EWrt L., Jr. 

1970. Relationships of trees of the Luquillo Experhntal Forest. 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Rico. Ward T. Odum and Robert F. Pigeon, 

eds. QI. B-13, p. B 47 - B 58. USAEC, Oak Ridge, Tn. 

The tree flora of the Luquillo Pbuntains of Puerto Rico is compared 

with that of other parts of Puerto Rico, of other islands, and of 

adjacent continents. Approximately 61 species are restricted to 

Puerto Rico, and are of special interest in the study of relations 

and evolution. These include 26 endemic to the Luquillo Mountains 

and environments. 

587. Little, Elbert L. , Jr. , and Frank H. Wadsworth. 

n trees of Puerto kco and the Virgin Islands. U.S. 

Dep. Agric. For. Serv., Agric. Ilsndb. 249, 548 p. U.S. GtrJt. 

in Off,, Waskngton, D.C. 

The 250 most cormon tree species of Puerto Rico ana the 

Virgin Islands are described and illustrated in this volume. 

They are grouped by plant families and within each family 

alphabetically by scientific names. 
588. Little, E L., Jr,, F 

1967. les cmmes 

torial L~iversidad de Puerto Ric~, 

sh ty-mslation of '" s of E)ucerto &eo and thr? Virgin 

Islmds", by Little (2nd Wads and 

illustuates 250 of the mst c Rico and 

the U.S. and British Virgin Islands. 

589. Little, E rt L., Jr., Roy 0. H. WadSmTt3h. 

1974. ees of puerto Rita mds. Second vol 

U.S. Wp. A@C. For. Sem., Agric. Hmdb, 449. U.S. GoTi. Print. 

Off., liiasllington, D.G, 1024 p. 

follows the publication of Trees of Puerto Rico 

and the Virgin Islands" by Little and k .. Dxis second volume ' treats 460 additional species and briefly describes 40 others, a 

total of 500. Thus, the two VOL s together contain the tat of 

750 species and illustrations f0 10 of tha. The ah is to include 

all native species attaining tree size, even rarely, also the cmn 

n trees introduced for various purposes. Information 

from the Introduction to VO~ 1 is reped or revised here. Each 

volume can be used independently, ma the second volume mentions in 

keys all spcies of the first. 

590. Little, Elbert L., Jr., Roy 0. H. Wadsworth. 

1976. Flora of nrgh or& (british Vir2in Islands) . Dep. Agric. For. Serv., Res. Pap. ITF-21, 36 p. U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., Ria Piedras, P.R. 

[Discontinued series] . 

The tropical flora of Virgin Gorda, third largest of the British 

Virgin Islands, is presented in tated list of 403 species 

of native and introduced vascular plants. The report provides information on plant distribution and contributes records of about 154 

spcies not previously reported. 

591. Little, Elbert L., Jr., and Roy 0. UlCV. 

1976. Trees of the Caribbean National Forest, Puerto hco. U.S. 

Dep. Agric. For. Serv., Res. Pap. I"I'F'-20, 27 p. U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., Rfo Piedras, P.R. 

[Discontinued series] . . 

Tree species of the Caribbean National Forest (the only tropical 

forest in the U.S. Forest Systm) in the 110 Mountains of northeastern Puerto Rice ;are &scused, 

592. Littlefield, E. W, 

1943. zQu& puede lograr la reforestaciGn? (Taken from conference 

notes at the %,Ye Botanical ) Caribb For, 4(3):143. 

t reforesta~sn can do. 
593, Iabeck, A. K. 

1922. aphy of Porto Rico. In Scientific Survey of 

Porto Rico and the Virgin Islands 1 (4):302-375. N.Y. Wad. of 

Sci . , New tulork. 

594. Lion , F. R. 

. A plan for a study of air , machining and related 

ckac~ristics of E)uerta Rican . U.S. Dep. Agric. For. 

., Inst. Trop. For., Rfo Pi 

595. Lon , F. R, 

1955. Industrial use in Puerto Rico. Caribb. For. 16(3/4):64-97. 

596. Lon , F. R. 

196 1. Puerto Ricm : their machining, seasoning, and related 

ch;lracte?ristics. U,S. Wp. Agric, For. Serv., Agric. Handb. 205. 

U.S. Gov. Print. Off., ~ashingtonl D.C. 98 p. 

597. Lion F. Ro 

1962. Present and potential conmrcial tirnhers of the Caribbean. 

U.S. Dep. Agric. For. Serv., Agric. Iiandb. 207. U.S. Gov. Print. 

Off., Washington, D.C. 167 p. 

598. Vjpez, B. A. 

1970, The development of ~acia Talega. The San Juan Star [San 

Juan, P,R,], 27, 1970. p. 1. 

d 

599. Ldpez Abrams, &tsy. 

1973. $1,000 fine is planned for tree cutters. The 'Sari Juan Star 

[San Juan, P.R.], Nov. 23, 1973. 

600. rbpez Canales, blanuel. 

1929. Plantad Ekboles: os dar5 provecho. Rev. de Agr. de P.R. 

23 (2) : 74-96. 

Article on how we benefit from planting trees. 

601. apez de Velasco, Juan. 

1571. Wscripci6n de Puerto Rico en 1571. (~qkinted, 1923) . Bol. Hist, de Puerto Rico 10:86-95. 

Description of Puerto Rico in 1571. 

602. mustalot, A. J,, and C. PagSn. 

1950. ma1 fever plants tested for presence of alkaloids. 

El Crisol, San Juan, P.R. 1949. (3-5). Chern. Abstr. 44:2179-2180. 

603. mvler, Ronnie. 

1974, ing the trees arld the forest, The San Juan Star [San 

Juan, P.R.] , F&. 12, 1974. 

&port on the first high school course in environmental education 

given in Rico . 
604. Lucchetti, A, 

1945. Second general report on the utilization of water resources 

of Puerto fico. P.R. Water Resour. Auth., San Juan, P.R. 

605. Lugo, A. [Ariel] E. 

1965. Photosynthetic studies of rain forest seedlings, Cecropia 

peltata, Pnthmephalus cadamba, Dacrydes excelsa, and 

Sloanea berteriana. 1vI.S. thesis, Univ. of P.R., ao Piedras, 

P.R. 37 p., 11 tbls., 25 figs. 

606. Lugo, A. [Ariel] E. 

1974. Sow problem in Puerto Rico with the managmt of natural 

resources. C.1,A.A. 26(3):30-32. 

607. Lugo, A. [Ariel] E. 

1975, Manglares de agua dulce: ley o &to, 1 In A,E. Lug0 

y Div. de Educ . , eds . Primer Simposio de Recursos Zturales. 

Depto. de Rec. Nat., San Juan, P.R. 116 p. 

608. Lugo, A. [Ariel] E. 

1976. La relaci6n entre la contarninaci6n del agua y las invasiones de plantas acu6ticas. p. 157-165. n E. Cardona, ed. 

Segundo Simposio de &cursos Naturales. Depto. de Rec. Nat., 

San Juan, P,R. 

609. Lugo, A. [Ariel] E., and G. Cintrbn. 

1974. The mangrove forests of Puerto EZico and their management. 

- In Prcx. of International Symposium on Biology and PIanagment 

of Mangroves, Vol. 11, p. 825-846. and Agric. Sci., miv. 

of Fla., Gainesville, 

610. Lugo, A. [Ariel] E., and S. C. Snedaker. 

1974. The ecology of mangroves. Ann. &v. l3co1. Syst. 5:39-64. 

'This is a review with special reference to the mangroves of Florida 

and Puerto Rico, including previously unpublished observations on 

their physiognomy, biarnass, and cycling of matter and energy. Controversy over the causes of mrtality of chemically defoliated 

mangroves in Vietnam is discussed as evidence of ecological complexity, 

and it is concluded that mangroves are open ecosystems representing 

special problems for research and management. 

611. Lugo, Ariel [E.]. 

1970. Photosynthetic studies on four species of rain forest seedlings. - In A tropical rain forest: a study of irradiation and 

ecology at El Verde, Puerto Rico. Howard T. Odum and Robert F. 

Pigeon, eds. (32. 1-7, p, I 81 - I 102. USE, Oak Ridge, Tn. 

Photosynthetic studies were made on seedlings of the rain forest 

species Cecropia peltata, Anthocephalus cadamba, Sloanea berteriana, 

and Dacryodes excelsa under various light conditions, The results 

were many and varied. 
612. Lugo, Ariel E., Jos6 A. Gonz6lez-Liboy, Barbara CintrGn, and Ken Dugger. 

1978. Structure, productivity, and transpiration of a subtropical 

dry forest in Puerto Rico. Biotropica 10(4):278-291. 

613. Lugo-Lbpez, M. A. 

1953. Moisture relationships of Puerta Ricm soils. Ijniv. of P.R., 

Agric. Ekp. Stn., Tech. Pap. 9. 97 p. Rfo Piedras. 

613a. ~ugo-LBpez, Ivl. A,, mil J, A. Bonnet. 

1951. Utilization of org c soils in Puerto kco. J. Mric. 

v. of P.R. 35(2):l 

614. ~ugo-Idpez, M. A*, J. A. Bonnet, and Jean Garcfa. 

1953. The soils of the Island of Vi S. Bull. 108* 50 pw 

Univ. of P.R., Agric. Exp. Stn., Rfo Piedras. 

This report cavers a soil reconnaissance made on the Island of Vi 

at various short periods beginning June 27, 1949. It contains soilprofile observations made in deep pits and road cuts, field-infiltration data, and laboratory data on the physical and chemical properties of the major soil types of the area. The report is supplmnted 

with information compiled relative to physical geography, climate, 

geology, soils, agriculture, and present land use in the area. 

615. ~ugo-L6pez, M. A., R. ~6rez-Escolar, G. %evedo, and J. ~u&ez, Jr. 

1959. Nature and properties of major soils of Lajas Valley. 

Bull. 149. 60 p. Wiv. of P.R., Agric. Ccp. Stn., Ho Piedras. 

616. ~ugo--2, M. A,, and Luis H, Rivera. 

1977. Updated taxonomic classification of the soils of Puerto Rico. 

1977. Bull. 258. Univ. of P.R., Mayaguez Cqus. Coll. of 

Agric. Sci., Agric. Exp. Stn., Rfo Piedras. 

617. Luse, Robert. 

1970. The phosphorus cycle in a tropical rain forest. In A 

tropical rain forest: a study of irradiation and ecorogy at 

El Verde, Puerto Rico. Howard T. Odum and Robert F. Pigeon, 

4s. Ch. H-12, p. H 161 - H 166. USAEC, Oak Ridge, Tn. 

Concentrations and flows of phosphorus in the forest-floor zone of 

the El Verde rain forest were studied with radioactive tagging and 

by analysis of sane principal forest components. The radioactive 

phosphorus released frcm decaying leaves was almost quantitatively 

held by the zone of surface rats and hwrus, and was subs 

recycled to the plats. 

618, Lyfclrd, W. H. 

1969. The ecology of an elfin forest in Puerto Rico, 7: soil, 

rat, and earthworn relationships. J. Id Arbor. 

50 (2) : 210-224 - 

619. McCandless, 1, B. 

1961, Bird l i f e i n southwestern Puerto Rico I. Fall migration. 

Caribb. J, Sci. 1(1) :3-12. 

620, .McCandless, I. B, 

1962. Bird life in southwestern merto Rico 11. The winter 

season, Caribb. J, Sci. 2(1):27-39. 
621, McClelland, T. B. 

1917. profitable and unprofitable coffee lands. Porto fico 

Plgric. Ekp. Stn. 1. 2 U,S. Gov. Print. Off., 

Waskin*on, D.C, 

622, IVlr:Coumick, J. Fr 

1970, Direct and i t effects of radiation on seedling 

diversity and ab e in a tropic in forest. In A tropical 

rain forest: a s of irradiation and ecology at El Verde , Pclerto 55~0, Hoard T. Odm and Robert F. Pigeon, . eh. D--10, 

p. D 201 - D 211. , Oak Ridge, m, 

Studies were made of seedling density, diversity, and microenvironmental conditions before and after irradiation. Following irradiation, 

as the mre-radiation-sensitive species disappeared, species diversity 

was reduced in proportion to the radiation exposure. The rain forest 

is iess radiation sensitive than temperate forests that have been 

studied, and recovery is faster. 

623. ~Co~ck, J. Frank. 

1970. Growth and survival of the Sierra Palm under rla&iation stress 

in natural and simulated environments. In A tropical rain forest: 

a study of irradiation and ecology at ~lTerde, Puerto Rico. 

Howard T . Odurn and Robert F . Pigeon, eds . Ch. D-9, p. D 193 - 

D 199. USAEC, Oak Ridge, Tn. 

Population samples of the sierra palm, Euterpe globosa Gaertn., 

were exposed to varying intensities of radiation in their natural 

rain forest environment and also in simulated growth-chamber and 

greenhouse environments. The conclusion that exposures in excess 

of 35 kr would be required to severely damage populations of this 

dominant species corresponds to the conclusion of a related study 

that 35 to 50 kr would be required to severely affect species 

diversity in the forest. 

624. McConnick, J. Frank. 

1970. Patterns of radiation exposure in the tropical rain forest. 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Rico. Howard T. Odum and Robert F. Pigeon, 

eds. Ch. C-4, p. C 41 - C 47. USAEC, Oak Ridge, Tn. 

The pattern of gm radiation received in the rain forest at El Verde was mnitored by 1450 lithium fluoride dosimeters dispersed in 

horizontal and vertical patterns during the 92-day exposure period. 

Although the geometry of the area exposed was extremely heterogeneous because of ravines, trees, and rocks, the radiation field 

trical kyond 30 m. Within the 30-rn radius, rocks and 

trees provided up to 40-fold reduction in exposure dose to microhabitats. 

625. p./h=Donough, J 

1970, Ceiba us. Palm is potential fight on official tree choice. 

The San Juan. Star [San Juan, P.R.], Feb, 22, 1970. 
626. WIntyre, D. H., and R. P. Briggs. 

1967. Effects of the high seas of December 3-5, 1967 on shores 

and beaches in the San Juan Area, PER. Rev. del Colegio & 

Ingenieros, sores, Puerto Rico. 

627. =man, E 

1970. ation and tennites at El Verde. In A tropical rain 

forest: a study of irradiation and ecology 1 Verde, mato 

Rico. Howard T. odum and Wkrt F, Pigeon, . Ch. E-8, 

pP E 105 - E 122, , Oak Ridge, Tn, 

'sons of nest condition, tme1 occupancy, and behavior were 

tween rain forest tennites in an irradiated area after exposure 

and others outside the area. IU1 nests within 30 m of the cesium 

source were entire andoned after 24 mnths. Direct effects of 

radiation were pres to be responsible rather than defoliation or 

mchanical disturbance. 

628. l&Mahan, Elizabeth A*, and Pjancy F. Sollins. 

1970. Diversity of ~croarthro~ after irradiation. In A 

tropical rain forest: a study of irradiation and ecorogy at 

El Verde, Puerto Rico. Howard T. Odum and Robert F. Pigeon, 

ed.s. Ch. E-11, p. E 151 - E 158. US=, Oak Ridge, Tn. 

An exploratory study canparing postirradiation diversity of litter 

microfauna in the South Control, Radiation, and North Cut Centers 

was carried out in March 1967, 24 inonths after irradiation. Radiation 

did not produce decreased diversity in the postirradiative growth. 

629. &%Wanus, Irene. 

1976. The perils of parrots: interview with Dr. Noel Snyder, of 

U.S. Fish and and Wildlife Service. Am. For. 82(9):16-19; 58-64. 

630. Wllen, J. M. 

1961, Kiln schedules for ES-ierto Rican yagm ra. Caribb. 

For. 22 (3/4) : 84-90. 

Spanish summary, Caribb. For. 22(3/4):90. 

631. Magruder, Joel* 

1967. Al brde de la extincibn, El Mundo[San Juan, P.R.] , June 28, 1967. p, 4 

Puerto Rican rot at the borderlinesof 

632. Wguire, Bassett, Jr, 

1970. tic c liad leaf axils and the 

inf e of radiation. In A tropical rain forest: a 

of irradiation and ecoloFat El Verde, Puerto Rico. 

T. Odum and Wkrt F . Pigeon, Ch, E-6, p. E 95 - E 101. 

I Ridge, 'me 

water held in the leaf xils of brmliads ere examined, 

on ccef f icimts we for ccrmbinatism of 

Positive associations 

were found between oligochaetes and bebeen 

CO~@S, 0s muplii but not with 

md nauplii, 
633. tklaret, Augusto. 

1970. &xic6n a y flora. ComisiBn Pe 

ciaci6n de PC cle la Lerigua BpStiiola, Hadrid. 567 p. 

s lexicon ineludes app 

designate plants and s;irnals and is 1 

scientificalPy classified. 

634. Malaret, Ren6 J 

1939. El dodnio de la erosifjn de las tierras en Puerto Rico. 

Rev. 51e Ag. de P.R. 33:7-18. 

Tne control of soil erosion in Puerto Rico, 

635. Pilaldonado, mwin D. 

1962. Durabilidad de 10s postes tratados para su finca. Rev. de 

Agu. de P.R. 49(i):165-168. 

Durability of treated psts for the fm. 

636. ~Ylaldonado, Edwin D. 

1962. Xadiaci6n solar para secar caoba en Puerto Rico. U.S. Dep. 

Agric. For. Serv., Apmtes Forestales Tropicales No. 14, 5 p. 

U.S. Dep. Agric. For. Serv., Instituto de Dasonda Tropical, 

[Inst. Trop. For.], Ho Piedras, P.R. [Discontinued series]. 

English version published as Tropical Forest Notes No. 14, entitled 

"Solar radiation used to r in Puerto Rico." 

637. Pilaldonado, Edwin D, 

1962, Sol= radiation used to r in Puerto &coo * U.S. Dep. Agric. E'or. Serv,, Trop. Notes No. 14, 5 p. 

U.S. Dep. Agric. For. Serv., Inst. Trop. For., Ho Piedras, P.R. 

[Discontinued series], 

Spanish version published as Pqmtes Forestales Tropicales No. 14, 

entitled "Raiiiaci6n solar para secar caoba en Puerto Rico." 

638. Maldonado, Edwin D,, and George H. Englerth. 

1961. Aserraderos y suplidores de madera en Puerto Rico. U.S. 

Dep. Agric. For. Serv., Apuntes Forestales Tropicales No. 7, 3 p. 

U.S. Dep. Agric. For. Serv., Instituto de Dasonornfa Tropical, 

[Inst. Trop. For.], Ria Piedras, P.R. [Discontinued series]. 

B 

English version published as Tropical Forest Notes No. 7, entitled 

11s and suppliers of in Puerto Fticos " 

6 3 9 - l\laldonado, 

11s md suppliers of in guer"co Rice. U.SI Wp. 

r, , Sem. , Trop For, 7, 3 2. U.S. Dep Agric. 

For. Sen., Inst. Trap, For. 

[Discontinued series] . 

sh version published. as mutes Forestales Tropicales No. 7, 

entitled "Aserraderos y suplidores de madera de Puerto Rico." 
640. Maldonado, Edwin D., and R. S. Boone. 

1968. Shaping ad pl ing characteristics of plantation-grown 

mahogany and teak. U.S. Dep. Agric. For. Sew., Res. Pap. ITF-7, 

22 p. U.S. Dep. Agric. Serv., Inst. Trop. For., xo Piedras, 

P . R - [Discontinued series] . 

machifing chilzcactt3ristics of Puerto Rico 

and teak, Also included is small-leaf 

St. Croix, U.S. Virgin Islands. Shaping 

tion since these operations are 

decisive in 

641. Maldonado, Ekiwin D., and C. Peck. 

1962. Drying by solar radiation in Puerto Rico. For. Prod. J. 

12 : 487-488. 

642. psBnn, R. I. 

1972. Visual quality criteria and advance planning overview for 

Puerto Rico land use and natural resources inventory. Cornell 

Univ. Dep. of Aerial Photo Studies and P.R. Dep. of Pub. Wks., 

Area of Nat. Resour. Ithaca, N.Y. and San Juan, P.R. 

643. March*, F. J. 

1946. The lignin, ash, and protein content of some neotropical 

Moods. Caribb. For, 7 (2) : 135-138. 

644. Margalef, R. 

1962, Cmidades Naturales. Instituto de ~iolwfa Marina, Uiriv. 

de E".R,, Mayaguez, P.R. 

Paper on natural communities. 

645. Margenat, Alfredo. 

1959. Toro Negro y El Yunque, gobierno federal e insular hacen 

pemuta de bosques. El Mundo [San Juan, P.R.], Oct. 21, 1959. 

p. 23. 

Federal and nwealth gove exchange of Toro Negro and 

El Yunque (Caribbean National Forest) forests. 

646. Maxcquez, Juan Luis. 

1950. La vida en 10s boscpes de Toro Negro. El Mundo, Puerto 

Rico Ilustrado [Sari Juan, P,R.] , Apr. 22, 1950. p. 4-7. 

the Tovo New forest, Werto Rico. 

647. rero, Joacpfn F. 

1962, Efecto de 10s ques en la conservaci6n de suelos y agua 

y en el control de la se taci6n en 10s lagos de Puerto Rico. 

Rev. de Agr. de P.R. 49 (1) : 137-142 

Effects of the forests on the consenration of soils and water and the 

control of depsits in the lakes of Puerto Rico. 
648. Marrero, Jos6. 

1939. Si&ras c inadas de cosechas agrlcolas y e 

rables. Rev. de Xgr. de P.R. 31(2):244-252. 

ination of agricultural harvest anc3 r-yielc3ing species, 

649. rero , Jose. 

1940. Gonservacifin. Caribb. For. 1(2):17-24. 

l3nglisl-i s of tkis article on conservation, Garibb For. 1(2;:17-24. 

650. Marrero, Jose. 

1942. Celebraci6n del Ma del Arbl. Caribb. For. 3(2):89-90. 

English s of this article on celebration of Arbor Day, Caribb. 

For. 3 (2) : 89-90. A forester st e attitude of our chil&a 

will decide the fate of our fm in the future. 

651. Marrero, Jose, 

1942. A seed storage study of Maga. Caribb For. 3(4):173-183. 

Spanish surmxy, Caribb For. 3(3/4):183-184. 

652. Marrero, JOE&. 

1942. Study of grades of broadleaved mahogany planting stock. 

Caribb. For. 3 (2) :79-87. 

Spanish sw, Caribb. For. 3 (2) :87-88. 

653. Nancero, Jos6. 

1943. A seed storage study of some tropical har s, Caribb. 

For. 4 (3) : 99-106. 

Spanish sumnary, Caribb. For. 4(3):106. 

654. Mamero, Jose. 

1947. Efectos de la poda radicular de dos especies forestales. 

Caribb. For. 8 (3) : 241-244. 

The planting season in the tropics follows the rains. Vnlike the 

temperate zones, tempi?rature is not generally a limiting factor in 

plant survival. High temperature and high hulnidity result in active 

vegetative growth in the nursery. Tkis has been considered an undesirable condition which might affect survival. 

655. Wrero, Jos6. 

1947. Ia profundidad y tip de cobertura t6rreaadecuados para 

las semillas de varias especies de maderas duras del tr6pico. 

Caribb. For. 8 (3) : 228-235. 

English version, Caribb, For. 8(3):213-227. French s 

For. 8 (3) : 235-236. 

656. Wrero, Jose. 

1947. The proper depth and kind of covering for seeds of several 

tropical hardwoods. Caribb, For. 8(3):213-227. 

Spanish version, Caribb For. 8(3):228-235. French s , Caribb. 

For. 8 (3) : 235-236. 
657. rero, JOS& 

1947. A survey of the forest plantations in the Caribbean National 

Forest. t4. F. thesis. School of For. and Conserv., Univ. of 

prliich. , 167 p. 

658. rero, Jose1948. Forest plant in the Carfikm National Forest: past 

e for the future. Caribb. For. 9(2):85-147. 

s is an extract of a thesis s tial fulfil-t of 

degree of Master of Forestry at the Univ. of 

sh version, Caribb For. 9(2):148-210. French 

: 210-212. 

659. filarrero, Jos6. 

1948-1949. ~epoblaciBn forestal en el Bosque Nacional Caribe de 

Puerto Kico: experiencias en el pasado corn gda para el futuro. Caribb. For, 9(2):148-210. 

English version. Caribb. For. 9(2):85-147. French sm, Caribb. 

For. 9(2):210-212. 

660. Marrero, Jog. 

1949. jC~5les son 10s usos de las especies forestales de 10s 

arbolados en la finca? 3. En IDS cursos de adiestramiento. 

Caribb. For. 10 (4) : 288-292. 

English version, Caribb. For. 10 (4) : 249-253. 

661. fularrero, Jose. 

1949. Datos sobre semillas de *boles de Puerto Rico. Caribb. 

For. 10 (1) : 31-35. 

English version, Caribb. For. 10(1):11-30. French sunnnary, Caribb. 

For. 10 (1) : 35. 

662. Narrero, Jos6. 

1949. especies forestales se adaptan a las tierras forestales de las fincas? 2. En Los cursos de adiestramiento . Caribb. 

For. 10 (4) : 283-288. 

English version, CaribhFor. 10(4):244-249. 

663. rero , JO&. 

1949. Tree seed data from Puerto Rico. Caribb-For. 10(1):11-30. 

sh version, Caribb. For. 10 (1) : 31-35. French s , Caribb. 

For. 10 (1) : 35. 

664. ero, Jos~. 

1950. IA reforestaci6n de tierras degradadas de Puerto Rico. 

Caribb, For. I1 (1) :16-24. 

English version, Caribb. For. 11(1):3-15. 
665. rero, Jos& 

1950. &forestation of degraded lands in Werto Rico. Wibb. 

For. I1 (1) : 3-15. 

Spanish version, ibb. E;"or. 11(1):16-24. 

666. ero , ~os6. 

1950. Resultados de la repoblaci6n forestal en 10s bosques insulares de meeo Rico. Carib. For. 11(4):151-195. 

English version, Caribb For. 11(3):107-147. 

667. Marreyo, Jose. 

1950. Results of forest planting in the Insular Forests of 

Puesrto &co. Carfib. For. 11(3):107-147. 

Spanish version, Garibb. For. 11(4):151-195. 

668. Narrero, Jos6. 

1951. ~orestaci6n varfa se@ las zonas. El Mundo [San Juan, P.R.] , Feb. 25, 1951. p. 21. 

Forestation varies with the zones. 

669. Maracero, Jos& 

1954. Especies del ghero Inga usadas ccmo sacbra de caf6 en 

Puerto Rico. Caribb. For. 15(1/2):54-71. 

used as shade for coffee in Puerto Rico, 

670, fktrrero, Jos6. 

1949. What are the uses of farm forest tree species? 3. In A 

fan forestry training program. Caribb . For. 10 (4) : 249753. 

Spanish version, Caribb. For. 10(4):288-292. 

671. Marrero, Jose. 

1949. What tree species are adapted to fan forestalands? 2. 

- In A fm forestry training program. Caribb. For. 10(4):244-249. 

Spanish version, Caribb, For. 10(4):283-288. 

1961. El musgo esfagno en la propagaci6n de arbolitos de pino. 

U.S. Dep. ~gric. For. Serv., Ppuntes Forestales ~ropicales No. 9, 

2 p. U.S. Dep. Agric. For. Serv., Institute de ~asonda Tropical, Rfo Piedras, P.R. [Discontinued series]. 

English version published as Tropical Forest Notes No. 9, entitled 

"Spagnwn mss as a um Eor rooting pine seedlings." 
673. PWrero, Jose 

1961. Sphagnum moss as a medium for rcoting pine seedlings. U.S. 

Dep. Agric. For. Sew., Trap. For. Notes Nag, 2 p. U.S. Dep. 

Agric. For. Serv., Inst. Trop. For., I&o Piedras, P.R. 

f Diseontinud series] , 

sh version published as Apuntes Forestales Tropicales NO. 9, 

led "El musgo esfagno en la propagaci6n de arblitos de pino." 

in sphagnum moss were much taller at planting 

during the first 

study imcluded only mndwa pine, ha 

(Hibiscus elatus) , ra (Cybistax donnellqon successfully in sphagnum mss. 

674. 

de las parcelas de ensayo en investigaciones de 

orestal. Carib, For. 22(3/4):79-83. (Translation 

of "Plot Size in Forest tic Research" by Jonathan W. Wright 

and Dean Frelmd, Jr,) 

675. I-ero, Jos& 

1962. Prscticas usadas en 10s viveros de pinos de Puerto Rico. 

Cari33b. For. 23 (2) : 87-99 .. 

mglish s For. 23(2):87. 

676. tpiarrero, JOS~. 

1965. Effect of a plastic mulch on weed growth and early 

of Bnduras Pine. U.S. Dep. Agric. For. Serv., 

&s, Note ITF-4, 5 p. U,S, f)ep. Agric. For. Sew-, Inst. Trop. 

as, P .Re [Discontinued series] . 

Black polyethylene s res were used in two tests to reduce 

tition of weeds newly plan~d treese me test was on 

a wet site at 1800 feet elevation, the other on a mist site near sea 

level. 

677. ero, ~ss6. 

1965. Potting mdia for Honduras Pine. U.S. Dep. Agric. For. 

Serv., Res. Note ITF-5, 7 p. U.S. Dep. Agric. For. Serv., 

Inst. Trop. For., RTo Piedras, P.R. [Discontinued series]. 

An earlier %search Note reported +bat studies showed Honduras Pine 

seedlings grming on sphzignum moss grew a t twice as fast in 

height as seedlings in soil and 23% mre seedlings grming in a 

mi~we of ven~c 

A study ws md& na~rials during 1962: 

(1) sphaqm mss ite (3) coco-pat 

xture of one 

of equal parts 

isons were made between (1) a mixture 

any sawdust (2) peat, and 

(3) sphagnum mss. Results of this study showed no statistical 

difference in the heights of the seedlings obtained. 
678 . of bagged and barerooted Handmas pine, 

raw U-S. Dep. Agric. For. Serv., WS. 

Note IT-3, 4 p. U.S. Dep. Agric. For. Serv., Inst. Trop. For., 

Rfo Piedras, P.R, [Eiscontinud series]. 

To determine whether Honduras pine, cadam and prkvera can be planted 

barfrootd, plants were raised in polyethylene bags but at time of 

planting patting material was r from around the roots of 

half the plants, s study discusses the results, 

679. rero, Jose", and Frank II. Wadmom. 

1951- Early results frm the of a fann woodlot. 

Caribb, For. 1_2(2):59-62. 

Spanish version, Caribb, For. 12(2):62-66, 

680. fularrero, JO&, and Frank H. Wadswrth. 

1951- ~sultados preliminares del mejoramiento de1 arbolado de 

ma finca, Caribb. For, 12(2):62-66. 

English version, Caribb. For. 12(2):59-62. 

681. Pllarrero, Jos6, and Frank H. Wadsworth. 

1958. Indicaciones para la repblaci6n forestal de las fincas 

de Puerto Fico. Caribb* For, 19(3/4):56-79. 

'This article discusses the need for afforestation, axeas where 

&graded or abandoned agricultural land is available, soil types, 

species to be used, and seasons suitable for sowing or planting 

in different areas, 

682. Martinez Nadal, Nd G., and: others. 

1973. Toxicological effects of active principles of West Indian 

caoba, Swietenia mahagoni. Caribb. J. Sci. 13(1/2):131-134, 

683. Marthez Orms, J. 

1939. Supervisor's annual plant report: Caribbean National Forest, 

Puerto Rico insular forests and Puerto Rico Reconstruction 

Administration. Calendar year 1938. U.S. Dep Agric. For. Serv., 

Trop. For. Ekp. Stn. [now named Inst. Trop. For.] , ao Piedras, P.R. 

684, MartInez Oramas, Joaqdn. 

1942. Planting with tar-paper pots on difficult sites in Puerto 

iiico. Caribb. For. 3 (4) : 158-163. 

685. mtorell, Luis F. 

1939. Som notes on forest en logy I. Caribb. For. 1 (1) : 25-26. 

686, f~~orell, Luis F. 

1940. Notes on the biology of Wsocondyla concordalis Hubner and 

its parasites. Caribb, For, 2(1):18-19. 

Spanish sunnnary, ibb. For * 2 (1) :19. 

687. Nartorell, Luis F. 

1940. Som notes on forest entol 11. Caribb. For. 1(2):31-32. 
688. Martorell, 

s on forest 111. Caribb . For . 1 (3) : 23-24. 

689. torell, Luis F. 

1941. Biological notes on the sea-grape sawfly Sckizocera krugii 

Cresson, in Puerto .Rice, Garibb. Far. 2(3):141-144. 

690. torell, Luis F. 

1941. Some notes on forest en logy IV. Caribb. For. 2(2):80-82. 

691. Hartorell, 

1943. Forest and forest e Caribb . For. 4 (3) : 132-134 . 

692. Martorell, Luis I?. 

1945. A survey of the forest insects of Puerto Rico. J. Agric. 

of UPR 29:70-608. 

693 . Martorell, Luis F. 

1953. LQUE &bal sanbrarg? Caribb. For. 14(3/4):152-160. 

Discusses the suitability of certain species for planting in gardens 

or on estates and presents a list oi species classified according 

to their uses, i.e., for shade, ornament, fruit, or thber production. 

694, Ma.rtore11, Luis F. 

1961. LQUE &bol sabrare? Rev. de Agr. de P.R. 48(1):138-147. 

695. Martorell, Luis F. 

1962. Arboles ornarnentales, Rev. de Agr. de P.R.. 49 (1) : 143-152. 

696. Maxtorell, Luis F. 

1964. El Araucaria o Pino de Norfolk. Ell4undo [San Juan, P.R.], 

July 6, 1964. p. 12. 

The Araucaria or Norfolk Pine. 

697. Martorell, Luis F. 

1964. Arboles de Puerto Rico: el Higuerito. El Mundo [San Juan, 

P.R.] , F&, 24, 1964. p. 15. 

Trees of Puerto Rico: the Kiguerito (Calabash tree). 

698. Martorell, Luis F. 

1964. =boles de Puerto Rico: El Palo de I%i5eca. El Mundo [San 

Juan, P,R.], June 8, 1964. p, 14. 

rto Rico: El Palo de NGeca (manjack) . 

699. orell, Luis F, 

1964. Arboles md~cos de Puerto Rico: El Cupefllo. El Phuldo 

[San Juan, P.R.], Sept. 14, 1964. p. 11. 

md&c trees of Puerta Rico: the Cupefllo. 
les maderables y de sornbra. La .], Apr. 20, 1964. p. 14. 

r and shade tree. 

orell. Luis F. 

968, Arboles de s manos: Oregamtillo o Tamarindo de m~. 

El Nmdo [Sm Juan, P.R.], . 21, 1968. p. 28. 

Trees of the Elfin Forests: Ore 110 or Tamarind0 de m. 

orell, Luis F, 

968. &boles del glar: mangle de BotcSn o Botoncillo. 

El Mmdo [San Juan, P.R,], Oct. 26, 1968. p. 42. 

Mnrtorell, Lais F, 

1969, El bucayo gigante o bucayo. El Mundo [San Juan, P.R.], 

. 22, 1969. p. 10-B. 

Bucare tree. 

Martorell, Luis F, 

1969. El Jaguey Colorado o Higuillo Prieto. El Mundo [San Juan, 

P.R.] , Sept. 6, 1969. p. 6-B. 

Martorell, Luis I". 

1973. The insects of i?bna Island, P.R. In Mona and Ianito Islands: 

nt of their natural and historical resources. Vol. 2, 

App. J, p. J-1 - J-7. Junta de Calidad Ambiental [Env. Quality 

Bd.] , San Juan, P.R. 

Matthews, Barbara N. 

1967. An ecological guide to the littoral fauna of Puerto Rico. 

Dep. cf Ed. Press. San Juan, P.R. 72 p. 

Matos, Cruz A. 

1971. Forum smj: environmental criteria for developnent 

planning. Caribbean Conservation Association. Gnviromntal 

Newsletter 2(3):48-51. 

Mattoon, W. R. 

1940. Forest trees and forest regions of the &ted States. 

US, Dep. Figric., Mist. Pub. 217, p, 48-49. 

Mawj, Carlotta J. 

1930. Correlation of Antillem fossil floras. Science 72(1862): 

253-254. 

n, William R, 

926. Botany of Porto Rico and the Virgin Islands. Descriptive 

~lora-P&ridophyta, Sci, Port0 Xco & Virgin Islands 

6 : 373-521, 

Escrip~ons of orders, f lies, genera, and species, with keys, 

sponymy and geographic clistrhbution of the species are included. 
711, Plaza, M. G. de la. 

1889. Diccionario bot2hico de 10s nmbres vulgares Cubanos y 

Puertorrique*~. 8 vols., 115 p. Havana, Cuba. 

s contain Spanish names for many plants of Puerto &co. 

712, ~lgndez MSI~~OZ, Miguel, 

1963, Consideraciones &so cas: urgencia pwrtorriquefia de 

polltica forestal. El Mundo, suplemento [San Juan, P .Re] , May 11, 1963. 

topic of tkis article is the urgency of a forestry policy for 

Puerto Rico. 

713. Elgarejo, Juan. 

1914. &!kmria y descripci6n de la Isla de Puerto Rico. -Mandada a 

hacer por S.M. el Rey D. Felipe 11, en el ak 1582. 13 p. + map. 

Printed in San Juan [no date, no publisher. Nin~o copy available 

at Puerto Rico Collection, UPR Library, Iilo Piedras.] 

714. Meccado, Nelson. 

1970. Leaf growth, leaf survival, leaf holes, color of cambium, 

and terminal bud condition. In A tropical rain forest: a study 

of irradiation and ecology atEl Verde, PuertD Rico. ~mard T. 

Odum and Robert F. Pigeon, eds. Ch. D-15, p. D 271 - D 286. 

USAac, Oak hiidge, Tn. 

Follming irradiation of the rain forest plot at El Verde, data were 

obtained on bud condition, cambium condition, percentage of leaf survival, rate of new leaf production, and leaf holes. Species sensitivity was not closely related to unclear volume. 

715. Meyerhof f, H. A. 

1932. ~eologla del distrito de Fajardo, Puerto Rico. Rev. Obras 

Pub., P.R. 9:197-200; 249-251. 

Geology of the district of Fajardo, P.R. 

716. Eyerhoff, He A. 

1933. Geology of Puerto Rico. !J~nograph of the University of 

Puerto Rico, Physical and Biological Sciences, Series BI No. 1, 

Univ. of P.R., Riro Piedras. 36 p., map, 

1870. On the genera Goetzea and Espadea. Trans, Linn. Soc. 

27:187-195, 

Goetzea is an endemic genus of Puerto Rico. 

718. Miller, K. Re 

1969. econhc problems of outdoor recreation planning in 

Puerto Rico. Abstr , of thesis, in Dissert . Ubstr . 29B (8) , (2697) . 

1 leading to mre efficient allocation of resources and production 

of services in keeping with the needs of the Island's several cultures 

is developed in the cited thesis. 
727. Ivfui?oz, J. E., and J. 1. Angler6. 

1968. Lzi re i6n forestal en Puerta ace. 

Agrbla , . de P.R., Rfo Piedras. 13 p. 

The reforestation of mexta fieo 

728. I-moz, J, E. , md La W, Nill. 

1967- T%e rbicides for site p 

on tree *me, Ws, E;fote IF-12, 

6 p. U.S. &p.Agric. For. Serv., Inst. mop. For., Rfo Piedras, 

P,R, [Discantintted series]. 

Effects of Picloram herbicide ten planted 
729. ~OZ , L. A. 

1972. W.R.A. discounts fears of Jobos Bay damage, 111e San Juan Stax 

[San Juan, P.R.], Feb. 1, 1972- 

730. Nwcphy, muis S. 

1912. A prelimri t on the forest probl- of Porto Rico. 

Porto fico Wp. 1:48-61. 

731. why, Louis S. 

1916. Forests of Porto ace: past, present, and future. US, i'lep. 

Agric., Bull. 354, 99 p., kgmhington, D.C. 

Detailed discussion of forestry and its problans includes an annotated 

list of native trees. 

732. Murphy, P. [Peter G.]. 

1967. Tree growth at El Verde and t h e e f f e c t s of ionizing radiation. 

M.S. thesis. Syracuse Lhiv,, Syracuse, N.Y. 

733. J%urphy, Peter G. 

1970. Tree growth at El Verde and the effects of ionizing radiation. 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Rico. Howard To Odum and Robert F. Pigeon, 

eds. Ch. D-4, p. D 141 - D 171. USAEC, Oak Ridge, m. 

The radial growths of 250 tree trunks of five principal species were 

measured mnthly with vernier bands at El Verde from Dec&r 1963 to 

.Yay 1966. Growth ranged from 0.36 cm annual increase.in trunk diameter 

in Dacryodes excelsa to 0.18 cm in the lower story dominant Croton 

poecilanthus . 

734. Murray, Robert Mse. 

1920. Los trabajos de silvicultura empiezan a organizarse. El 

servicio forestal de P.R. quiere establecer una estaci6n experimental forestal. El Mundo [San Juan, P.R.], Sept. 20, 1920, p. 7. 

Organization of forestry work. The Forestry Sexvice of Puerto Rico 

wishes to establish a forestry experhntal $tation. 

735. Nevares, R., Jr. 

1948. Datos de ingenierla y geologla alrededor de la sedhmtaci6n 

alses en Wrto Rico. Rev. de Agr. de P.R. 42:169-189. 

736. Nevling, L. I. 

of an elfin forest in Puerto Rico, 5. Chromsa 

flowering plants. J. Arnold Arbor. 50(1):99-103. 

737. Nevling, Lorin I., Jr. 

1970. The ecology of an elfin forest in Puerto Rico, 12. A new 

species of Gonocalm ((Ericaceae) . J. Arnold Arbor. 51(2):221-227. 

738, Wvling, l3rin I., Jr., and My 

1966. scovery of Daphnopsis helleriana. J. Arnold Arbor. 

47 (3) : 262-265, 
739. New York Academy of Sciences. 

1919. Scientific Survey of Porto Rico and the Virgin Islands. 

P;I.Y. kad, Sci., New York, 

This natural 'history survey of Porto Rico [Puerto Rico] and the Virgin 

Islands, conduct& by The New York Ac of Sciaces, was 

in 1913 carried out with the 

mnt. The results of have appeared frm t 

as investigations by s 

740. Nieves Rivera, Carlos. 

1949. Por defender cotorra natirra. El [San JuanI P.R.] , Spt. 4, 1949. p, 9. 

Protecting the native parrot. 

741. Noble, W. D. 

1925. La fuerza motria, del Rlo Blsmco. Rev. Obras Pub., P.R. 

2:594-596. 

The force of the Xo Blanco fiver. 

742. Nobles, R, W., and C. B, Briscoe. 

1966. Height growth of mahogany seedlings, St. Croix, Virgin 

Islands. U.S. Dep. Agric. For. Serv., Res. Note ITF-10, 4 p. 

U.S. Dep Agric. For. §ern., Inst. Trop. For., Rfo Piedras, P.R. 

[Discontinued series] 

The results of tkis study were that small-leaf any seedlings 

grew more rapidly than bigleaf, and their hybrids grew more rapidly 

than either for the first two years. However, between 4 and 7 years 

of age, both hybrids and bigleaf were significantly taller than smallleaf, Bigleaf suffered the most mslutality, followed by small-leaf, 

then the two hybrids. 

743. Nobles, R. W., and C, B. Briscoe. 

1966. Killing unwanted West Indies mahogany trees by peeling and 

frilling. U.S. Dep. Agric. For. Serv., Res. Note ITF-8, 3 p. 

U.S. Ikp. Agric. For. Serv., Inst. Trop. For., Rfo Piedras, P.R. 

[Discontinued series] . 

Peeling and frilling killed appro&tely 70 percent of treated West 

Indies mahogany, usually within the first 15 follming treamt. 

744. Nobles, R. W., and C. B. Briscoe, 

1966. Ebwing understory vegetation in a young teak plantation. 

U.S. Dep. Agric. For. Sew., Res. Note ITF-9, 2 p. U.S. Dep. 

Agric. For. Serv., Inst Trop. For,, Rfo Piedras, P.R. 

[Discontinu& series] . 

This study indicated mowing ccxnpting grass and brush improved accessibility and appearance and reduced fire hazard, but neither height nor 

diameter gr of the teak was affected. 
745. Nobles, Re W., and C. B. Briscoe. 

1966. iioot pruning of mahogany nursery stock. U.S. Dep Agric. 

For. Sw., Res. Note ITF-7, 4 p. U.S. Dep. Agric. For. Sem., 

Inst. Trop. For., Rfo Piedras, P.R. [Discontinued series]. 

*cording to this study,root pruning had no effect on growth or survival 

of either young or held-over mahqany nursery stock. 

746. NoI-1, John J* 

1953. The silting of Caonillas Reservoir. Puerto Rico. 22 p. 

U.S. Dep. Agric. Soil Conserv. Serv. and Ep. Agric. and Comn., 

Cm~nw. of P.R. 

The purpose of this study was to determine the rate of storage loss 

resulting from soil and other erosional debris washing into Caonillas 

Reservoir, to determine the principal sources of this material, and 

to make some broad recomdations for reducing the rate of sedimentation. 

The study also included a detailed seciimentation survey of the Reservoir 

and a detailed soil conservation survey of the watershed. 

747. Nolla, J. A. B,, and G. L. Crawford. 

1941. La conservaci6n del suelo en Puerto Rico. 30 p. U.S. Bp. 

Agric. Soil Consenr, Sew., San Juan, P.R. 

The conservation of soils in Puerto Rico. 

748. Northwestern University. 

1952. The rural land classification program of Puerto Rico. Northwest. Univ., Dep. of Geog., Northwest. Univ., Evanston, 111. 

749. bXii5.e~ Mel6ndez, E. 

1964, Plantas mdicinales de Puerto Rico. Univ. de P-R., Estaci6n Experhntal Agrkola, Bol. 176, Univ. P.R., Ftfo Piedras, 

P.R. 245 p.. 

Wdicinal plants of Puerto Rico. 

750. Ocasio, Juan Manuel, 

1963. Trees may make land tax exempt. The San Juan Star [San Juan, 

P.R.] , July 31, 1963. 

Puerto Rico Departmat of Agriculture may seek Puerto Rico legislation 

next year to allow farmer's tax exemption on any portion of land above 

5 acres devoted to raising trees. 

751. Odum, H. [Howard] T. 

1964. Rain Forest project: work in progress, scientific results, 

and proposals for FY-65 and FY-66. Terrestrial ecology program I. 

USAEC Report PRNC-34. P. R. Nuclear Center, Univ. of Puerto fico, 

Ho Piedras, P. R. 

This is a renewal proposal for studies of the effects of gm irradiation 

on the rain forest ecological system at El Verde, Puerto Rico. 
752. Odum, H. [Mward] T. , d1965. Rain Forest project -61. Terr. Eol. 

Prog. I. 220 p. UWC Report, P.R. Nuclear Center, Ukriv. of 

Puerto Rico, No Piedras, P.R. 

This is the annual report for work done on the rain forest project at 

El Verde, Puerto Rico. An account is given of the measurents taken 

in the various phases of work by resident staff and visiting participants. 

753. mum, H. [HcfQJardl T. 

1970. The AEC rain forest program. In A tropical rain forest: 

a study of irradiation and ecology~t El Verde, Puerto Rico. 

Ward T. Odum and Robert F. Pigeon, eds. Ch. C-1, p. C 3 - C 22. 

Urn, Oak Ridge, !Pn. 

This illustrated narrative describes the experimental design of the 

forest-irradiation experknt at El Verde, related studies, and the 

qenc:e of events in the AM: Rain Forest Program. Effect5 of the 

irradiation and the course of recovery were studied in the six years 

that followed. 

754. Odum, Howard T. 

1970. The El Verde study area and the rain forest systems of 

Puerto Rico. In A tropical rain forest: a study of irradiation 

and ecology atT1 Verde, Puerto Rico. kioward T. Odum and 

Robert F. Pigeon, eds. Ch. 13-1, p. B 3 - B 32. USAM3, Oak 

Ridge, Tn. 

The setting and site history of the Rain Forest Project in the luquillo 

Mountains of Puerto Rico are introduced with photographs, sectional 

data, and maps for reference. Base maps, details on facilities, and 

an introductory trail description are provided to encourage new 

investigations at the El Verde Site. 

755. Odum, Howard T. 

1970. Introduction to Section F. Microorganisms and the effects of 

radiation. In A tropical rain forest: a study of irradiation 

and ecology at El Verde, Puerto Rico. Howard T. Odm and 

Wbert F. Pigeon, eds. Ch. F-3, p. F 3 - F 7. USAEC, Oak 

Ridge, Tn. 

756. Odum, Howard T, 

1970. Introduction Section G. (Cytological studies within the 

irradiated forest). Pkicroscopic order in the forest. In A 

tropical rain forest: a study of irradiation and ecology at 

El Verde, Puerto Rico. Howard T. Odum and RDbert F. Pigeon, 

eds. Ch. 63, p. G 3 - G 14. USAEC, Oak Ridge, !Pn. 

757. Odum, Howard T* 

1970. !Phe rain forest and man: an introduction. In A tropical 

rain forest: a study of irradiation and ecology% El Verde, 

Puerto Rico. Howard T. Odum and Robert F. Pigeon, eds . Ch. A-2, p. A 5 - A 11. USAEC, Oak Ridge, !Pn. 
758. Odum, Howard T. 

1970, Rain forest struetue and mineral-cycling 

- In A tropical rain forest: a study of irradia 

at El Verde, Puerto Rico. I-foward T. Odm and 

e&. Ch. H-1, p. I1. 3 - H 52, 

As an introduction to the section on mineral-cycling and soil studies, 

rties in the forest at El Verde with 

cal forests of Costa aca, Panm, 

azil, A fzhwry of control by 

saturation deficit with attitude is considered. 

and new ma rs of roots in soil pits were made to 

aosorption to evapotranspiration clhte. 

ry: an erterging view of the ecological system at 

El Verde. In A tropical rain forest: a study of irradiation 

and ecology?t El Verde, Puerto Iiico. mward T. Odum and 

Fsbert F. Pigeon, eds. Ch. 1-10, p. I 191 - I 289. 

UW, Oak Ridge, Tn. 

The Tabanuco forest at El Vmde was measured for the parts, processes, 

and the effects of radiation stress. 

760. Odm, rd T., and Robert F. Pigeon, e&. 

1970. A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Rico. Div. Tech. Info., U oak Ridge, me 

This book of about 1500 pages gathers the results of a study begun 

in 1963 by the c mergy Comnission, and studies be effects of 

the ganma rays over a tropical rain forest (El Verde). 

761. Odum, Howard T., Walter Abbott, Rc,bert K. Selander, and others. 

1970. Estimates of chlorophyll and bims of the Tabonuco forest 

of Puerto Rico. In A tropical rain forest: a study of irradiation 

and ecology at ~r~erde, Puato Rico . Ward T. Odum and Robert 

F. Pigeon, e&. Ch. 1-1, p. I 3 - I 19. USAEC, Oak Ridge, Tn. 

Previously unpublished studies made in the Tabonuco forest type £ran 

1957 to 1962 were used to characterize overall proprties of a 

forest prim including chlorophyll A principal classes of 

biomass, Tkd served as a pl- &line to mre detailed 

studies of bi chlorophyll , and ~t srn at El Verde £ran 

1963 to 1967. 

762. Odum, H. [Wwxd] T- Briscoe, and C, Be Briscoe. 

1970. Fallout r 

forest: a stu* of irradiation and ecology at El Verde, Puerto 

Rico. ward T. Robert F. Pigeon, eds. 01. H-13, 

p. H 167 - H 176. clak adget 'Dl* 

After relatively high levels of fallout retention were discovered in the 

epiphytic mossy forest of the Luqujllo Wuntains during 1962, a survey of 

the distribution of radioactivity in the rain forest system was made. 

High levels, up to 4138 counts per minute per gram, were found mainly 

in or on green plant tissue and the derived litter, with as mch 

variability leaves of the san~ tree as between trees. 
Odm~, H. [mwxd] T., P. Burkholder, and J. Rivero. 

1959. Measwfmts of productivity of turtle grass flats reefs, 

and the ~ah.fa Fos forescente of southern P .R. Wl, InSt. Plar , 

Sci. Univ. Tex. 6:159-170. 

Oi3m, f-k,ward T., and Giberto Cintr6n. 

1970. Forest chlorophyll and radiation. In A tropical rain forest: 

a study of irradiation and ecology at ~Tverde, Puerto Rim. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. 1-2, p. I 21 - 

Ridge, Tn. 

Patterns of chlorophyll A distribution were studied in trees of the 

El Verde forest before and after irradiation. Canparisons were also 

made between successional species, climax species, species in the 

mssy forest on the mowntain top, and corals £ram a reef. Mean 

chlorophyll A per area of leaf was highest in species from the msy 

forest, intermediate in climax species in the El Verde forest, and 

least in successional species. 

Odum, H. [Ward] T., B. J. Copeland, and R. 2. Brown. 

1963. Direct and optical assay of leaf mass of the mwer Montane 

Rain Forest of Puerto ~ico. Proc. Natl. *ad. Sci , U.S. 

49:429-434. 

Odum, Hward T., and George Drewry. 

1970. The Cesium source at El Verde. In A tropical rain forest: 

a study of irradiation and ecology ac~l Verde, Puerto Rico. 

I-k,ward T, Odum and t F. Pigeon, eds. Ch. C-2, p. C 23 - C 36. 

USAEXS1, Oak Ridge, Tn. 

A semiportable 10,000-curie cesium source was constructed for environmental irradiation in the rain forest. The total radiation exposure 

was 92.8 days (2228 hr) . Qualitatively, most of the radiation at 

500 m was less than 0.1 Mev. 

Odum, EDward T., George Drewry, and J. R. Kline, 

1970. Climate at El Verde, 1963-1966. In A tropical rain forest: 

a study of irradiation and ecology atyl Verde, Puerto Rico. 

Howard T. Odum and Robert F. Pigeon, eds. Ch. B-22, p. B 347 - 

B 418. USAEC, Oak Ridge, Tn. 

Hourly, daily, and monthly records of insolation, illumination, tm- 1 B 

perature, humidity, rainfall, wind, evaporation, and concentrations of 

carbon dioxide at El Verde are summarized for the period from 1963 to 1966; 

f 

f 

Odum, Howard T., @orge Drewry, and E. A. WMan. 

1970. Introduction to Section El Animals and the effect of radiation 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Iiico. I-k>ward T. Odum and Robert F. Pigeon, eds 

Ch. E, p. E 3 - E 15. USAEC, Oak Ridge, Tn. 
and C, F, Jor 

1im1 and evapWanspiration of lower forest in a 

tic cylinder. In A tropical r 

of irradiation and ecologyat El Verde, Puerto Rico. T. 

Pigeon, eds. Ch. 1-9, p. I165 - 1189. 

10 

For the study of rn evapotranspiration, a giant qlhder 

of plastic was hWljg enclose a prism of rairi forest 67 ft, 

high by 60 ft. wide with elecwical sreor&us 

continuously mnitored the dity of the infl 

air at the top of ng air frm the large 

fan. me high res st indicates there 

is a large pho y into the useful work 

of main-ing a little net deposition 

d T., and Ariel Lugr>. 

tabolism of f orest-f loor mic -. In A tropical rain 

forest: a study of irradiation and ecology at El Verde , Eberto 

Rice. Haward T. t F. Pigeon, &. (31. 1-3 , p. 1 35 - 156. dge, ?tn. 

?krrestrial mic seeded With Mineral soil, litt=r, forestfloor herbs, and ' Is to sirnula& same proprties of the 

rain forest fl rt the del of control of 

aaad pho-t;osyntk.1esis by flow from one process, de 

recent stor cm the other proeess - 

771. Odum, H. [Eiowaxd] T., A. Lugo, G. Cintr6n, and others. 

lisn and evapotranspiration of some rain forest 

plants and soil. In A tropical rain forest: a study of 

irradiation and ecxogy at El Verde, Puerto Rico. Woward T. 

Odm and Rabert I?. Pigeon. Ch. 1-8, p. I 103 - I 164. 

US=, Ridge, m. 

metabolic rates of s principal forest comp3nents were measured 

zer mthds; these nents inclu&d sun and shade 

principal txees , rest floor, roots, trunk surfaces, 

ansrraals. The high respiration of all leaf surfaces, 

the roots, and the loor docmts the vast work processes of 

the steady-sme cl th energy mainly de rorn SOW excess 

net photosynthesis leaves below the st layer. 

d T., Allen M. s. 

Witrogen-e in forest, - In A 

WopicaL rain forest: a&ation and mol 

El Verde, Puertco &col odum and .lX-beut F. Pigeon, 4s. 

(31. H-6, p. HI05 - H l , Oak Ridge, Tn. 

a1 storages of hydrogen in the rain 

estimated from data on inflows and 

outflw collected. Al~ougkt mst forest c 

ew days, the tmover for wood was 9000 dayse 
773. Odum, H. [Hmad] T., P , G. D md others, 

1970. Effects of g iation e forest at El Verde. - In 

A tropical rain : a study of irradiation and ecoL 

at El Verde, Puerto Xco. Odm and Robert F . Pigan, 

eds. Ch. D-1, p. D 3 - D 7 , o& fidge, m, 

rizing chronological account is given of defoli 

and succession follwing irradiation in 1965, with doc 

photographs; counts of leaves, shoots, and sedlings; 

records of optical density as an index to vegetation mass. 

774. Odum, Ei. [Howard] T., and J. Ruiz-Reyes. 

1970. IIoles in leaves and the grazing control mech 

tropical rain forest: a study of irradiation and ecology-at 

El Verde, Puerto Rico. Wwazrd T. Odm and Robert F. Pigeon, 

a. 1-6, p. I 69 - I 80. USAEC, oak ~idge, m. 

As a measure of the relative role of herbivore cons tim, mnthly 

collections of leaf fall at 55 stations were sampled for the determination 

of the percentage of holes in leaves due to insects and other causes, 

The relatively -11 increase in herbivore action at El Verde suggests 

that regulatory action was effective. 

775. Ogle, Carol June. 

1970. Pollen analysis of selected sphagnm-bog sites in Puerto 

Rico. In A tropical rain forest: a study of irradiation and 

ecologyxt El Verde, Puerto Rico. Ward T. Odml ad Robert F. 

Pigeon, eds. Ch. B-11, p. B 135 - B 145. U , X~CJ~, me 

Soil samples frcm three selected sphagnmt-bog sites in the 

Pbuntains of Puerto Rico were studied to provide a pol 

of the vegetation located near the bogs. Pollen f ran 

species on nearby sites were predominant in the soil samples. 

776. Ogle, Richard A. 

1964. Organization and administration of the Puerto fiean Division 

of Forestry. M.S. thesis. State Univ. Coll. of For* at 

Syracuse Univ., Syracuse, N.Y. 148 p. 

777. Oliver Lugo, F. 

1919. Ventajas que se derivarjn de la conservaci6n y 

nuestros bosqyes. El Fhmdo [San Juan, P.R.], Aug. 30, 1919. 2 p. 

Advantages of the conservation and increase of forestry in merto Rico. 

778. Oliver Lugo, Fernando. 

1919. C6mo reaediar la desaparici6n de los bosques de P.R. 

El Mundo [San Juan, P.R.], Sept. 6, 1919. p. 3 

How to avoid the disappearance of the forests in Puerto Rico. 

779. Ortiz, V. [Victor] R. 

[n.d.] IDS recursos forestales de Puerto Rico. P.R. Dep. Agric. 

Programa de 10s Recursos Forestales, San Juan, P.R. 8 p. 

The forest resources of Puerto Rico. 
780. Ortiz, Vfctor. 

1962. El programa de investigaci6n forestal. Rev. de Agr. de P.R. 

49 (1) : 176-185, 

me forest research prqrm. 

7 81. Ortiz, Victor R. 

1963. Preservation of Puerto Rican fence posts treated by pressure 

methods. Caribb. For. 24 (2) : 91-93. 

782, Osbme, H. 

a 1935. Insects of Porto Rico and the Virgin Islands, Hamoptera 

(excepting the Sternorhyncki). In Scientific Survey of Porto 

Rico and the Virgin Islands 14(2El11-260. N.Y. Wad. Sci., 

783. OtSrola, A., J. L. Whitmore, and R. Salazar. 

1976. AnSlisis de 12 plantaciones de Tbona ciliata var. australis. 

a ciliata var. australis plantations. 

784. Otero, J. I., R. A. Toro, and L. P. de Otero. 

1945. Catslogo de 10s ncmbres vulgares y cientlficos de algunas plantas ouertorrique5as. 2nd. ed. Univ. P.R. Agric. Bcp. Stn. 

Catalog of c and scientific n 

785. Otero, Jos& I., and Rafael A. Toro. 

1931. Catglogo de 10s nombres vulgares y cientlficos de algunas 

plantas puertorriquefias. P.R. Dep Agric. and Labor, Insular 

Etqe Stn, Bull. 37. Rfo Piedras, P.R. 

n and scientific names of some Puerto Rican plants. 

786. Wington, J. B. 

1965. The Rain Forest Project Annual Report for 1965. Chemical 

analysisoftreesatElVerde. p. 197-220. USAECReprt 

PEWC-61. P.R. Nuclear Center, v. of Puerto Ricof Rxo Pie- dras, P.R. 

787. Wington, J. D., and J. S. Olson. 

cmntent of El verde kwer **ntane 

rain forest plants. g A tropical rain forest: a study of 

irradiation anil ecology at El Verde, Puerto Rice. kbward T. 

odum and Robert F. Pigeon, eds. Ch. H-2, H 53 - H 77. 

on of the biomass and the nutrient inventory 

in the El Verde forest was based on sample weighing and analysis of 

over 100 trees and regressions that separately treated three groupings 

of dicotyledon trees and palms. 
7138. Pagh-~ont, Francisco A. 

1973, re ' asses resowces of mna Island. 

- In -Wm it0 Is of their natural and 

kistorical resources. Vol. 2, App. F, p. F 1 - F-14. Junta de 

iental [Env. Quality Bd.], San Juan, P.R. 

789. Page, H. 3, 

1942. Problanas de suelo en la prducci6n de cosechas tropicales. 

~aribb. For. 4(1):48. 

ayfecting the crops in the tropics. 

790. Pate, W. W., and others. 

1935. ~connaissance erosion f Puerto Rico. Map prepared 

by the U.S.D.A., Soil Conse ., Bw, Chm, Soils, 

Waskin$on, D . C . 

791. Paz Sal a, N. 

1977. Biota en * berteroniana y Yriessia sientenisii 

(Familia Br el Bosque Pluvial ue Luqyillo, Puerto 

?&co. &tual ~iol. ( ia) 6 (19) : 2-7, 

Biota including insects and ncumatodes found in the Rain Forest of 

110, 

1955, El 1 de 10s suelos tropicales en la a1 

muMdo. rialba 5 (1) : 6-16. 

The role of tropical soils'in the feeding of the world. 

1967. Ommtal trees for landscaping in Puerto fico. Agric. 

Exp. Stn. , Univ. of P .R. , Mayaguez Campus, Rfo Piedras . Misc. Publ. 64, 58 p. 

1960. The acidity of selected Puerto Rican S. 

Caribb. For. 21 (1/2) :41-44. 

1970. Relation of crown diameter to s j-pr in forests of 

Puerto Rico, Daninica, and mailand. In A tropical rain 

forest: a study of irradiation and ec at El Verde, merto 

Xco. Howard T. Od. ds. Ch. B-9, 

p- B 105 - B 122. , Oak Xdge, Tn, 

a1 data, including measured values of crown diameter 

were collected for 28 forest stands. The data 

ine of best fit is a straight line on 

ge of size. !Fhe tion that rain 

globosa Gaertn., it larger crowns 

nsurate increase in stern diameter 

was tested arad found to be invalid. 
796. ~6rez VSzquez, Carlos. 

1962. El manejo y ordenaci6n de las tierras forestales pGblicas 

de Puerto Kico. Rev. de Agr. de P.R. 49 (1) 94-102. 

The managent and policy of the public forest lands of Puerto Rico. 

797. Perkins, J. 

1907. The Lemnosae of Porto Rico. U.S. Nat. Herb. Contr. 

10:133-220. 

798. Perry, Jerm J. 

1970. The survival of acti E3-s in a radiation field. In A 

tropical rain forest: a study of irradiation and ecologyyt 

El Verde, Puerto Rico. Hmard T. Oclim and Wbert F. Pigeon, eds . Ch. F-10, p. F 67 - F 68. USAEC, Oak Ridge, m. 

Actincanycetes were isolated frcm the soil in an area of the rain forest 

before and after irradiation. Quantification of the actinanycetes 

present in the soil suggests that there was scare decrease in the total 

number after irradiation, which may be a secondary effect. 

799. Persinos, G. J., S. K. Christie, J. M. Bidigner, and M. J. Lapiana. 

1970. The ecology of an Elfin Forest in Puerto Rico. 13. Phytochemical screening and literature survey. J. Arnold Arbor. 

51 (4) : 540-546 . 

800. Petrichik, Elernard and Harriet. 

1951. Flowering trees of the Caribbean. Rinehart & Co., 

New Uork. 125 p. 

801. Petrunkevitch, A. 

1929-1930. The spiders of Puerto kico. Trans. Conn. kad. Arts 

and Sci. 3O:l-355; 31:l-191. 

802. Peyton, J. S., and J. Go Peters. 

1912. Forest timber and tree laws in general of Porto Rico. 

U.S. Forest Service, Washington, D.C. [Unpublished]. 

803, Pic6, Rafael. 

1937. Studies in the econanic geography of Puerto Rico. 

Univ. P.R. Bull. Series 8, No. 1. Rfo Piedras. 84 p. 

804. Pi&, Rafael. 

1952. ~valuaci6n de nuestros recursos naturales. Conferencia 

dictada ante la Sptima Convenci6n de Trabajo Social en 

Puerto Rico, el 3 de rnayo de 1952, San Juan. [-graphed] . 

Waluation of Puerto Ricob natural resources. 

805. Pic6, Rafael. 

1954. GeografXa de Puerto Rico. Parte I: ~eografia flsica. 

243 p. &torial Universitaria, Rfo Piedras, P.R. 

Physical geography of Puerto Rico. 
806. Pic6, Rafael. 

196 ficaci6n y acci6n. 312 p. Bane0 

Rice. Sm Juan, P.R. 

Plmifiea~on for Puerto Rice, 

II: 

550 Pieckas , P , P, . 

808. Pic6, Rafael. 

1969. Nueva geografra de Puerto Rico. 460 p. Eciitorial Universitaria , PSO Piearas, ? .Re 

on geography of Puerts A~co. 

809. Picb, Rafael. 

1974. The geography of Puerto Rico. 439 p. The Aldine Pub. Co., 

Chicago, Ill. 

810. Plank, H. R. 

1950. Insecticidal properties plants grming in merto 

Rico. U.S. Dep. Agric. Fed. Stn. Bull. 48, 39 p. 

U.S. Dep. Agric. Fed. ZQ. Stn. [now called U.S. Dep. Agric. 

Mayaguez Inst. of Trop. Agric*], f\ilayague%, P.R. 

948, Biology of the b pow&r-post beetle in Puerto fico, 

Aqric. Fed. Exp. Stn. Bull. 44, 29 p. U.S. kp. Agric. 

. Stn. [now called U.S. Dep. Agric. Mayaguez Inst. of 

Trop. Agric.], Fayaguez, P.R. 

812. Plank, H. R, 

1950. Studies of factors influencing attack and control of the 

b pwder-post beetle. U.S. Dep. Agric. Fed. Stn. Bull. 

48, 39 p. U.S. Dep Agric. Fed. Exp. Stn. [now called U.S. Dep. 

Agric. Mayaguez Inst. of Trop. Agric.], Mayaguez, P.R. 

813. Pool, D. [Douglas] J., A. E. Lugo, and S. C. Snedaker. 

1975. Litter production in forests of South Florida and 

PUEZ%O R~co. p. 213-237. In ~n&&onal 

Symposium on biology and G. Walsh, 

S. Snedaker, and W, Was, and Agric. 

SGi . , 6ainewille, Fla. 

814. Pool, Douglas J., Smel C. Snedaker, and $xiriel E. Wgo. 

1977, Structure of forests in Florida, NCO , co, and Costa Rica. Biotr6pica 9(3):195-2 

rove forests were measured at seven gees in Florida, Puerto Rico, C@exlco, and Costa Rica 

ty index developed by Holdridge in 1967. 
815. Porto Ria. [-to Rico] . 1884. Regulations for the cmpromise sale of unappropriated 

nt lands in the island of Porto Rico , approved on 

Apr. 17, 1884. 4p. 

8 16. Porto Rico . [Puerto Ria] . 1902. 1 reprt of the Wvernor, 1901-02. U.S. Gov. Print. 

Off., Washington, D.C. 351 p. 

817. Porto Rico . [Puerto Pico] . 1907. Annual report of the Covernor, 1906-07. U.S. Gov. Print. 

Off., Nashington, D.C. 469 p. 

818. Porto Rico . [Puerto Rico] . 1919. Annual reprt of the Governor. U.S. War Dep. U.S. Gov. 

Print. Off., Washington, D.C. 741 p. 

819. Porto Rico [Puerto Rico] Census. 

1900. Census of porto Rico, 1899. U.S. War Dep. U.S. W. Print. 

Off., Washington, D.C. 413 p. 

820. Porto Rico [Puerto Rico] Ccxrunissioner of the Interior. 

1914. Report on the trespassing of the lands of the ~quillo 

National Forest, Porto Rico. San Juan. 2 p. [Unpiblished] . 

821. Preece, Margot. 

1967. Luqyillo forest areas restricted. The San Juan Star [San 

Juan, P.R-] , Feb. 15, 1967. 

Mountain peaks which contain virgin Wr to be off limits for 

military maneuvers beginning in April. 

822. Preece, Margot. 

1973. Tiny, wierd-looking insects may hurt trees--but not you. 

The San Juan Star [San Juan, P.R.] 1 Feb. 18, 1973. 

chinche espinosa, or Thombug Wnia crassicomis causes black mid 

to form on son= trees. 

823. Price, C.A. 

1941. Cbnsemaci6n de suelo--un problem singular en Rice. 

- In M6todffi M-s para conservaci6n de suelos en me- eco. 

USDA Soil Conserv. Sem., Washington, D.C. 

Soil conservation--a problem in Puerto Rice. 

824. Provanetti , Dcminp. 

1951. La siembra de &boles. El Piundo [San Juan, P.R.] , Oct. 18, 1951. p. 6. 

The planting of trees. 

825. Puerto Rico. 

1822-1898. Balanza mercantil de la isla de Puerto Rice. Intendencia General Hacienda, San Juan, P.R. 

Balance of trade of merto Rico. 
826, Puerto Rico. 

1924. Consultas sobre asuntos forestales. Rev. de Agr. de P.R. 

13 (6) : 397-400. 

Letters to various Puerto nica~ Depsar 

the island, 

827. Puerto Ri_co. 

a1 Gokriador Honorable Roberto S6nchez Vilella 

sobre la agricultura de Puerto Rico: situaci6n y posibilidades. 

Rev. de kgY-. de P.R. 53(1/2):20-25. 

Report to the Governor of Puerto Rico on the present and future of the 

agricultural situation in Puerto Ftico. 

828. merto Rico Aqueduct and Sewer Authority. 

1969. Cmprehensive plan for water and sanit facilities for 

rural areas in Puerto Rico: general socio-econanic analysis. 

P.R. Aqueduct and Sewer Auth., San Juan. 

829. [Puerto Fiico. Arboles] . 1946. Cosecha de Srboles. Nuevo reto a nuestra conciacia de 

pueblo. El Mundo [San Juan, P.R.], June 13, 1946. p. 5. 

~arvestin~ of trees: a new challenging thought for Puerto Iiicans. 

830. [Puerto Rico. &boles] . 1949. La poda de &boles. El Mundo, Editorial [San Juan, P.R.], 

NOv, 16, 1949. p. 6. 

Tree pruning for urban beautification. 

831. [Puerto Rico . Arboles] . 1968. Arboles en Puerto Rico: El Cap6 Colorado. El Mundo [San 

Juan, P.R.], July 13, 1968. p. 26. 

Trees in Puerto Rico: the red Manjack. 

832. Puerto Rico, Autoridad de las Fuentes Fluviales. 

[n.d.]. Siembre adecuadamente. 34 p. illus. San Juan. 

Proper planting procedures. 

833. [Puerto Rico. Aves]. 

1976. Aves extintas y en pligro de extinci6n. L1 Gran Enciclopedia de Puerto Rico. Vole 10. 

Extinct and endangered birds of Puerto Eiico. 

834. [Puerto Rico. Bosque de Luquillo]. 

1977. Bosque de Luquillo hace parte reserva biosf6rica. El blundo 

[San Juan, P.R.], May 1, 1977. p. 14-C. 

The Luqullo Experimental Forest is recognized as part of the international network of Biosphere Reserves by - Prsgrme on Man and 

the Biosphere, UNESCO. 
Nacional de Isla] . reik fondo f ral $6,037 awegad= pr 

concepto explotaci6n de Bosque Nacional de Isla. [El Mdo, 

P.R.IF Jan. 18, 1946, p. 14. 

receives federal funding of $6,037 for the devel 

an national forest, 

Tfie forests af 

837. [Puerto Ri.co. Bosgues], 

1948, Un silvisultor &sate cuido de 10s bsgues. El EJhuldo [San 

Juan, P,R.], NCTV, 7, 1948. ps 27. 

A silvicultmist &=uses the care of trees. 

838. Puerto ace Bweau of Ec cs and Stati~tics. 

[n-d.] Statistical year book: supplement on trade statistics 

1951-52- P-Ro Pl~i~ie M-I Sari Juan, P.R. 

839- Puerto Rico Statistics. 

[n . d . 1 Statistical yea : supplement on trade statistics 

1952-53. P.R. Plan. M., San Juan, P.R. 

840, Puerto Rico Bmem of Ekon&cs and Statistics. 

[nod] S-tistical year book: supp t on trade statistics 

1953-54. P.R. Plan, Bd., SEUI Juan, P.R, 

841, Puertm Rjco Bureau of Eononics and Statistics. 

(n.d.1 External trade statistics 1954-55. P.R. Plan.Bd., San 

JUZSII, P.R. 

842. Puerto Rico Bureau of E;Gon&cs and Statistics. 

[n-d.] External trade statistics 1956. P.R. Plan. Bd., San 

Juan, P.R. 

843. Puerto Rico Bureau of EGon~cs and Statistics. 

[n-d.] External trade statistics 1957. P.R. Plan. Bd., San JuanI P.R. 

844. Buerto Rico Bmeau of Eonhcs and Statistics. 

[n.d.] External trade statistics 1958. P.R. Plan. Bd., San JuanI P.R. 

c and statistics 

[n.d,] ma1 Wade statistics 1959. P.R, Plan, Bd., San Juan, P.R. 

Bico Bueau of Ec cs and Statistics. 

[n.d.] External trade statistics 1960. P.R. Plan. &I., San JuanI P.R. 

847. Puerto ace Burezau of cs and Statistics. 

[nod.] External trade statistics 1961. P.R. Plan. Bd., Juan, P.R. 
848. Puerto Rico Bureau of Zcondcs and Statistics. 

[n.d.] External trade statistics 1962. P.R. Plan. Bd., San Juan, P.R. 

849. Puerto Rice Bureau of Eco cs md Statistics. 

[n.d.] External trade statistics 1963. P.R. Plan. Bd., San Juan, P.R. 

850. Puerto Rico Bureau of Ec cs and Statistics. 

En.d.1 em1 trade statistics 1964. P.R. Plan. Bd., San Juan, P.R.. 

851. Puerto fico Bureau of Economics and Statistics. 

[n.d.] External trade statistics 1965. P.R. Plan. Bd., San Juan, P.R. 

852. Puerto Rico Bureau of Econdcs and. Statistics. 

[n.d.] External trade statistics 1966. P,R. Plan. Bd., San Juan, P.R. 

853. Puerto Rico Bureau of Eco cs and Statistics, 

[nod.] External trade statistics 1967. P.R. Plan. Bd., San Juan, P.R. 

854. Puerto Rico Bureau of Economics and Statistics. 

[nod.] External trade statistics 1968. P.R. Plan. Bd., San Juan, P.R. 

855. Puerto Rico Bureau of Econcrmics and Statistics. 

[nod.] External trade statistics 1969. P.R. Plan. Bd., San Juan, P.R. 

856. Puerto Rico Bureau of Wonornics and Statistics. 

1972. External trade statistics 1970. P.R, Plan. Bd., San Juan, P.R. 

857. Puerto Rico Bureau of Economics and Statistics, 

[n-d.] External trade statistics 1971. P.R. Plan. Bd., San Juan, P.R. 

858. Puerto Rico Bureau of EGonomics and Statistics. 

1973. Btternal trade statistics 1972. P.R. ~l&. Bd., San Juan, P.R. 

859. Puerto Rico Bureau of Econarucs and Statistics, 

[n.d.] External trade statistics 1973. P.R. Plan. Bd., San Juan, P.R. 

860. Puerto Rico Bureau of Ekonamics and Statistics. 

1975. External trade statistics 1974. P.R. Plan. Bd., San Juan, P.R. 

861. Puerto Rico Bureau of Economics and Statistics, 

1977. External trade statistics 1975. P.R. Plan. Bd., San Juan, P.R. 

862. Puerto Rico Bureau of Eondcs and Statistics, 

1978. External trade statistics 1976. P.R. Plan. Bd., San Juan, P.R. 

86 3 . [Puerto fico . Cadam] . 1970. Esperanza del trbpico. El Iqundo [San Juan, P.R.], 

June 27, 1970. p. 5-42, 

The =dam tree: hope for the tropics. 

864. [Puerto Xco. Caribbean National Forest]. 

1977. Forest unit plans classification. The 5an Juan Star 

[San Juan, P.K.], Sept. 4, 1977. 

U.S. For. Serv. plans to classify 6,200 acres in the Caribbean National 

Forest as a wilderness area. 
[Puerto 55x0. Conservation] . 1975. New law to aid conservation of island's 13 forest reserves. 

The San Juan Stax [Sari Juan, P.R.], July 14, 1975. 

Recent forest law will allow Puertu Rico &pa of ~atual F43wurces 

to r existing progr and begin new proj for the conservation 

md nt of the island's 13 forest reserves, 

[Puerto Rim. Parrot] . 1946. Se hace estudio de cotorras nativas. El Mundo [San Juan, 

P.R.], Play 19, 1946. p. 9. 

Study made on native parrots. 

[Puerto Rico. Parrot] . 1972. Cotorras puertorriquefias viajan en avi6n 747. El Mundo 

[San Juan, P.R.], Feb. 20, 1972. p. 5-A. 

Puerto Rican parrots travel in a 747 airplane. 

[Puerto Rico: Delegaci6n de Conservaci6n de Suelos, Aguas y Bosques] . 1944. Recomndaciones de la Elegaci6n de Conservacitin de Suelos, 

Aguas y Bosques en la Cuarta Sesi6n de la C&si6n Angloricana del Caribe. Rev. de Agr. de P.R. 35 (2) :121-124. 

Wcmndations by the delegation of conservation of soils, waters, 

and forests. 

[Puerto Rico. Departamento de Agricultura] . 1943. mnservaci6n de forestas en Puerto Rico. Labores realizadas pr el Depto. de Agricultura. El Mundo [San Juan, P.R.], 

Sept. 13, 1943. p. 6. 

Conservation of forests in Puerto Rico: work done by the Department 

of Agriculture. 

[Puerto Sco. Departmto de Agricultural. 

1965. Us recursos forestales de Puerto Kico por Benjdn Seda, 

Jefe, Programa de ansewaci6n de Recursos Forestales. P.R. 

Dep. Agric., San Juan. 

The forest resources of Puerto Rico by the Ckief of the Conservation 

of Forest Resources Program. 

[Puerto Rico. ~epart to de Agricultural - 

1969. muario de adlsticas agrrcolas Lie puerto ace. 1968/69. 

P.R. Dep. Agric., Rfo Pi 

Yearbook of agricultural statistics of Puerto Rico, 1968/69. 

Puerto Rice. Epar to de Agricultura. 

1969. Bosques pGblicos de Puerto Kico . 22 p. P .R. Dep. Agric . , Sari Jum, P.R, 

The public forests of Puerto Rico. 
873. to de Agricultura, Area de Servicios 

s Centralizadas. 

e con~maci6n de 10s recursos forestales: 

bosques pGblicos de Puerto Rico. P .R. Cep. Agric; San Juan. 

Program for the conservation of resources in the public forests of 

Puerto R~Go, 

874. [Pucrt~ Rice. Depart nto de Agricultura y mi01 . ci6n de las nonms y objetivos que rigen en lo 

te a las tierras forestales del pueblo de Puerto 

ibb. For. 6(4):177-183. 

English version, Cxibb. For. 6(4):171-177. 

875. [Puerto Rico. &par nt of Agricultwe] , 

1960. Over n-illion trees set out this year. The San Juan Star 

[San Juan, P.R,] , Nov. 21, 1960. 

Puerto fico &par nt of Agriculture, under its Forestry Technical 

Aid Program, plan over 1 million lmber producing trees, in addition 

to ornamental, fruit bearing, and shade trees, 

896, [Puerto Rico &par-t of Agriculture]. 

1978. Conceptos, plan y programa para una agricultura mderna en 

Puerto Rico [New concepts, plan and program for agriculture in 

Puerto Rico]. 539 p., 1 map. P.R. kp. Agric., San Juan. 

t was prepared at the request and under the direction of 

the Secretary of Agriculture for his final approval. It was edited 

by agronomist Jos6 Vicente-chandler, who revised the drafts sWtted 

by several of the island's scientists in agriculture ana related fields. 

877. Puerto Rico Department of Agriculture and Cmrerce. 

1945. Constation de la Politique et Talhes ayant affaire aux 

forests qui appartiennent au peuple de Puerto Rico. 

Caribb. For. 6 (3) : 183-189. 

C&ssioner of Agriculture and ce's statement pursuant to the 

authority vested in kim by the Forest Law. 

8 7 8 . Puerto Rico k nt of Agriculture and Cmrce. 

1945. Sta of policy and objectives governing the forest 

lands of the people of Puerto Rico. Caribb. For. 6(4):171-177. 

Spanish version, Carib. For. 6(4):177-183. 

ssioner of Agri rce's statent pursuant to the 

rity vested in Law. 

879. [PuertoRi pt, Agriculture and 

1948. a1 books on statistic Puerto Rico 1946-47. 
880. [ o Rico Dept, Eigriculture and rce] . [n.d.] malbook on statistics of Puerto Rico 1949-50. 

P.R. Dep. Agric., San Juan. 

881. Puerto Iiico DE? nt of Agriculture and Cmerce ad U. S . Depar 

of Agriculture, Forest Senrice. 

1948. Insular forest atlas* 2 V. U.S. Dep. AgTic. For. Sen?., 

Rfo Piedras, P.R. 

882. Pue;cto Rico T)e t of Office of Consewation of 

Forest Resourc U.S. of Agriculture, Forest Service, 

Institute of Tropical Forestry, Sm Juan, P.R. 

1967. 50th &vers of forestry in Puerto =coo U.S. mp. Agric. 

For. Serv., Inst. Trop. For. Rfio Pie&-as, P R. 7 p. 

This is a chronology of the history of Puesto Rican forestry. 

883. Puerto Rico Cepaxtam~t of Natural F&sources. 

1973. Hatural, cultural, and enviromntal resources inventory, 

Part I. p. A 31 - A 32. P.R. Dep. Nat. Resour., San Juan. 

884. Puerto Rico Department of Natural Resources [Departamento de Recursos Naturales] . 1974. Efecto a 10s sistfmas naturales de la propuesta e'cplotaci6n 

minera. Infom preparado para el Secretario de Recursos Naturales de Puerto R~cB. Ep. Nat. &sou,, San Juan. 

Effect on the ecology of Puerto Rico by the proposed mining developmt in Puerto Rico. 

885. Puerto Rico Departnwt of Natural Resources. 

1974. New proposals are heard to protect trees. The San Juan 

Star [San Juan, P.R.] , Jan. 10, 1974. 

Puerto Rico Natural Resources Department began hearings on new regulations which would establish controls for cutting dm trees. 

886. merto Rico Departrrent of Natural Resources. 

1974. Plant cmdties of tarn Island. Pittman - Robinson 

Project W-8-17, Study 111, Job 1, Final Report. 53 p., apps. 

andmap. P.R. Dep. Nat. Resour., San Juan. 

t of Natural Resources. 

1974, The 1973 water resouces asses for l?-Llerto RiCo" 

Report based on the work of the Interagency Technical Task Force 

on Water Resources P, R. Dep . Nat , &sour. , Sm Jum. 

888. Puerto Rico &par 

1974. Unit p 

Dep . of Nat . Resour. , San 

of Natural Resources. 

nt of Pifiones Forest. Task Force 

nt of Natural Resowees* 76 p. Dep. Nat. &SOUY., 

San Juan. 
nt of Natual Wsourees [Depar to de Wmsos 

Naturalles] . o abajo; taller forestal, Divisibn de Planificaci6n de Bosques. 30 p. P.R. kp. Hat. Resour., San Juan. 

Rfo Abajo Forest: Forestry workshop. 

891. Puerto Ric nt of KatmaL Resources. 

master plan: Carite Forest. A working t . 975. 19 p. P.R. Dep. Nat. Wesour., San Juan. 

892. Puerto ~co I& nt of Katural Resources. 

slated in reforestation of public lands. The San 

[San Juan, P.R.], Mar. 18, 1976. 

t of Natural Resources nurseries will have 1.3 million tres 

of different species this year, doubling last year's crop. 

893. Puerto Rico Department of Natural *Resources [Cepartamento de Recursos 

Naturales] . 1976. Mapas de bosques de Puerto Rico. 17 p. ~ivisi6n de Planificaci6n de Basques. P.R. Dep. Nat. Resour., Sa.11 Juan. 

Maps of the forests of Puerto Rico. 

894. Puerto fico Department of Natural Resources. 

1976. The master plan for the alth forests of Puerto Rico. 

ng ancl Evaluation. 259 p. Div. For. Plan., 

P.R, Wp- Hat. Resour., San Juan, P.R, 

Includes sections on recreation, transportation, acquisition, staffing, 

and goals and policies, 

895. Puerto Rico Departmmt of Natural Resources. 

1976. Potential recreation site selection for the lakes and 

lagoons of Pulerto FCico. 64 p. Parks and Wc., Bur. Outdoor 

Wc., kp. Nat. Resour., San Juan, P.K. 

896. Fuerto Rico Department of Natural Resources [Departamento de Recursos 

Naturales] . 1977. les raros y en peligro de stinci6n en Puerto Rico. 

68 p. &p. Agric. Soil Consem. Serv., San Juan, P.R. 

sh translation of a ' ttee report on rare and endangered 

Is in P.R., publishe 1973 by the U.S. P.R. kp. Nat. Resour., 

San Juan. 

897. [Puerto Rico Depar t of Natwal E&sources Inventory Division and 

Cornell biversity Center for Aerial Photo Studies], 

1973. Final Reprt - natural, cultural, and enviro 

sources inventory of Puerto Rico (Nm). San Juan, P,R., and 

Ithaca, N.Y. 
898, Puerto Rics, c nistration, 

1952. S a1 t on trade statistics. 

P.R. Econ. Dev, 

899. £X~erto ~ico, Envi n-1 aality mad, 

1971, mvir report 1971. P-R. Enve mal- met ,%in Juan, P.R. 

This report presents sults of the Envi ntal Quality Board 

sf Puerto Rico' s ass? in July I972 of and Wn;im Islands . 

ality BOad. 

of the natmal resources. 204 p. 

P.R, Ehv. Qual, Bd., Sm Jum, P.R. 

le tht3 necessary base data for 

s Island. Four ad~tional 

fication of his mvi t have 

been added. 

902. [Puerta Rico . E'orestq] . 1962. Forestry Institute is given $50,000 to spur.projects. The 

Sarn Stax [Sm Juan., P.R.] , Ncw. 5, 1962, 

Director of the Inst, Trap. ., EDA For, receipt 

of %O,W6 as l-he first all action 

assigned to Forest Service in merto Rico. 

903. [Puerto Rico , Forestry] . 1963. Forestry funds okayed. The San Juan Star [San Juan, P.R.], 

Feb. 5, 1963. 

Director of the Inst. Trop. For., USDA For. Sew., annowzced receipt 

of $50,000 as the secand all kt of public iKxcks acceleration c3ction 

assip& ta Forest S 

904. [mwt;o RBco. ~orestry] . 1963. US, aLL~ates P,R, $30,000 fm foresme The San Juan 

P-Re], Ft;b* 15, 1963, 

lic works projects in national forests in 28 states meua Ri_co* 

905. [merto Rico. Institue of Tropical Forestry]. 

1962. U.S. Forestry Institute publishes kss The SW~ 

Star [San Juan, P,R,], June 27, 1962, 
906. Puerto Rico. 

1971, Inf iental 1971. Junta de C 

Juan, P.R. 

907. Puerto &coo Jw ntal Quality mwd] , 

1972. Info 

San Juan, P.R. 

mvirorunffsrtal mality Board &port 1972, 

908. Puerto Rico. Junta ck Galidad 

arnbiental 19 

Juan, P.R. 

Environmental Quality Board Report 1973. 

909, Puerto XCO, Junta de Calidad ental [Env, Qualm w,] 

1973. Las Islas de Mona y Yanito: Una evaluaci6n de sus recursos 

naturales e hist6ricos. Vol. 1, 47 p. + fotos y mapas. 

Vol. 2, 177 p. San Juan, P.R. 

aming interest in the deve nt of Mona and iconito Islands during 

the past year has led to s which call for drastic modification 

of what has always been an essentially natural environwnt. Rational 

planning and decisions regarding the develo of I-J-pse is1an.k 

r?equires a full assessment of their presen s, me m\~iromw~tal 

Quality Bmrd sf PUherto Wico undertook the 

Tkis report presents the results, 

Tkis assessment was assigned to a volunteer team of local scientists 

representing the disciplines which relate to the present environmental 

values of the area. 1Wst of team rs were already f 

the islands, and one is stationed there. Four trips to the islands 

were made to collect additional information, The assessment team was 

directed by Frank H. Wadsworth. The photographs are individually 

credited. The two general maps were prepared by John J. Whelm.. 

910. Puerto Rice. Junta de Calidad iental [Envir~ taf Quality Board] , 

1974. Infom ambiental 1974. 12 Chapters. Junta de Calidad 

Ambiental, San Juan, P.R. 

Environmental Quality Board &port 1974. 

911. Puerto Rico. Legislature. 

1930. Committee on un t. Report of the investigative 

ttee to investigate the industrial a 

uneasiness and restlessness causing un 

Rendered to the Governor and the Ugislature of Porto Rico. 

3 vols. San Juan, Puerto Rico. Legislature. 

912. Puerto Rico. Legislature, 

1943-1945. Land Law of Puerto Rico. Law No. 26. Title 111, 

Sect. 58 (as d by Wt No, 160 of 1943 and kt No, 57 of 

1945). San Juan, P,R, 
[-to Ftieo. 110 Forest]. 

1959. Trees for all in 28,000 acre area.'ke Island Ths[San JU~, 

P.R,] , NOV. 27, 1959. 

Wistory of forest surromding "El Uungue" peak. 

qoves] . 1942. Uorens Torres, Us 

28, 1942, p. 6- 

s of Lloras Torres, Puerto Rico. 

[Puerto Ri_co. gmes] . 1955, Anunclm nuevo &todo a €21 aprovehdato fo~estal de 

10s bares fiones, conmidos t corn Basque de 

San . El [San Jum, P.R.], 16, 1955. p. 14, 

Announcent of for forest utilization of mangroves 

of Piknes; also e San Juan Forest. 

[Puerto Ric oves] . 1972. on Vacla Talega. El Nundo [San Juan, P.R.], 

Oct, 7, 1972, p. 6-24. 

Plea to take care of the Vxia Talega area. 

[mato Nco* 

1972. Pi les quedan en la isla. El Mundo [San 

Juan, P,R.], Jan, 12, 1972. p. 10-A. 

Request for protection of groves On the is1andg 

[Puerto Rico. Wnduas pine] . de reforestaci6n; agricultura Sembrar6 un mill6n 

de arbolitos de pino Hondurefios . El Mundo [San Juan, P . R. ] , Dec. 14, 1967. p. 59. 

Reforestation: agriculture program will plant a million small Honduras 

pine trees, 

Puerto Rico Pl 

1969. Puerto Rico land use regxAations. P.R. Planning Board, 

San Juan. 

ttee . Rico and the sea, An action program for marine 

report to the Governor. 129 p. Univ. of P.R. and 

the Ecn, Level.. n. pf PeRI, San Juan, 

Puerto Bico ~cowtruc.taiun 

L940* Pue~tc;, Rico: a to ix&md of mrig~h * 409 Pe 

The miv, Soc , , New Tdork. 
922. [Puem ~ico. Recursos Forestales]. 

1943. Forestal two un ammto de 17,000 acres. El 

Juan, P.R.1, Nov. 4, 1943. p* 4. 

Forestry has an increase of 17,000 acres. 

923. [Puerto ,%co. RRforestZition] . 1968. Island group saving water by reforesting. The San Juan 

Star [San Juan, P.R.] , Feb. 16, 1968. 

Association of Soil and Water Consemtidsts, District of Puerto 

Rico, launch tree planting program. 

924. Puerto Fkco. Secretaria de Agricultwa. 

1966. Conservaci6n de recursos naturales en Puerto Eiico. En 

Infonne a1 mn. Gobemador Roberto S&zchez Vilella sobre- 

"La Agricultura de Puerto Iiico: situaci6n y posibilidades." 

Rev. de Agr. de P.R. 53(1/2):19-24. 

Conservation of the natural resources of Puerto Iiico. 

925. [Puerto Rico. Seedlings] . 1966. Wre than eight million seedlings planted here. The San 

Juan Star [San Juan, P.R.], Nov. 14, 1966. 

Since 1956 seedlings have be on mre 10,000 f 

art0 Rico under a forestry t program that has re 

some 3,000 acres of forest plantations on the island. 

926. Puerto Rico. Semicio de ~xtensiBn ~grlcola. 

[n.d.] Instrucciones para apreciaci6n de suelos en P.R. 12 p. 

miv. de P.R. Recinto de myaguez, Colegio de Ciencias Agrfcolas, l.layaguez, P.R. 

Instructions for the evaluation of soils in Puerto Rico. 

927. Puerto Rico. Servicio de ~xtensi6n ~gricola. 

[n.d.] Suelos 116s importantes de Puerto Rico. 8 p. Univ. de 

P.R. Winto de Mayaguez, Colegio de Ciencias Agricolas, 

Mayaguez , P . R. 

The mst important soils of Puerto Xco. 

928. Puerto Rico. Servicio de ~ktensi6n A~grfcola. 

1970. Conservando la tierra y el agua a trav6s de 10s Distritos 

de Conservaci6n de suelos y agua. 8 p. Univ. de P.K. 

Recinto de Bayaguez, Colegio de Ciencias ~grfcolas , Playaguez , P . R . 

Conserving the soil and water by mans of the ~istricts of Conservation 

of soils and water. 

929. Puerto Rico. Servicio de mtensi6n Agricola. 

1972. Minerales, rocas y suelos. 3 p. Univ. de P.R. ~ecintu de 

Mayaguez, Colegio de Ciencias ~grfcolas, itlayaguez, P.R. 

Minerals, rocks, and soils. 
930. Puerto Rico. Servicio de m.tensi6n Agrfcola. 

1972, Rfittwacibn del s amiento profundo 2 p, 

Univ. de P.R. into de Payaguez, Colegio de Ciencias AgrIcolas, ~%yaguez, P.R. 

ng the subsoil and deep fertilization. 

931. Wrto Rico. Servicio de mtmsi6n Agrfcola. 

1973. Es s &an &s con Pentaclorofenol. 8 p. Univ. de P.R. 

Recinto de kqaguez, Colegio de Ciencias Agrfcolas, Myaguez, P.R. 

The fenceposts last longer with Pentachloropenol. 

932, Puerto Rico. Semicio de ~t=x&nsi6n Agrfcola. 

1975. ;QuE es unDistrito de consewaci6n de suelos? 2 p. 

Gfv. de P.R. Recinto de Mayaguez, Colegio de Ciencias Agrfcolas, Mayaguez, P.R. 

lfJhat is a soils conservation district? 

933. Puerto Ri.co, Servicio de mtensi6n Agrfcola. 

1976. Ppuntes sobre suelos de P.R. 4 p. Univ. de P.R. Recinto 

de Mayaguez, Colegio de Ciencias Agrfcolas, Mayaguez, P.R. 

Notes on Puerto Rican soils. 

934, Puerto Rico. Srvicio de ~ktensi6n Agrfcola. 

1976. Corn propagar plantas pr acodos. 8 p. Univ. de P.R. 

Recinto de Mayaguez, Colegio de Ciencias Agrzcolas, Mayaguez, P.R. 

How to propagate plants by layering. 

935. Puerto Rico. Servicio de Extensidn Agrfcola. 

1977. ~preciaci6n de suelos. 28 p. Univ. de P.R. Recinto de 

Mayaguez, Colegio de Ciencias Agrfcolas, Mayaguez, P.R. 

Soils evaluation. 

936. Puerto Rico, Servicio de Extensi6n AgrTcola. 

1977. Charcas artificiales y siembra de peces. 4 p. Univ. de 

P.R. into de Mayaguez, Colegio de Ciencias ~grfcolas, 

N;lyaguez, PA, 

1s and hplanting of fishes. 

937. puexto Rico. Sewicio de Extensi6n Agrfcola. 

. 4 p. Univ. de P.R. Recinto 

de Mayaguez, Colegio de Ciencias Agrfcolas, Mayaguez, P.R. 

938, Puerto Zco. Semicio de mtensi6n Agrfcola. 

1977. Instmcciones en la t mestra de suelos para deterxi6n de acidez, 1 pa v . de P . R. Recinto de Mayaguez , Colegio de Ciaxias XgrXcolas, N.ayaguez, P.R. 

How to take samples of soils to determine the acidity. 
PU&O fim. E;F;?rVicio d, mensi6n Agrfcola. 

1977. El murci6la.g~ y su c . 2 p. ~Zziv, de P.R. 

Reciilto de Mayaguez, Colegio de Ciencias ~grlcolas, Mayaguez, P,R, 

The htandhm to fight it. 

Puerto Rieo. Semicia de mtensi6n Agrfcola. 

1977. La Polilla. 4 p. v. de P.R. into dr;! L?/I;.yaguez, 

Colegio de Ciencias Agrfcolas, Pkyaguez, P.R. 

tes 

[Puexto R~co, Wees] , 

1945, RnKl million trees plmtE3d in 1944. F&. 15, 1945. 

[Puerto Rico. Trees]. 

1970. Four senators want Eiba as official tree, The San Juan 

Star [San Juan, P.R.], Jan, 16, 1970, 

[Puerto Rico. Trees] . 1973. City to plant 2,000 trees in "Green San Juantt program. 

The San Juan Star [San Juan, P.R.], Nov. 30, 1973. 

Sari Juan ' s mayor t 2,000 trees could be plan&d in 

Santurce, and he urged the Legislature to have the municipality 

increase fines against persons who destroy them. 

[Puerto Rice, Tres] . 1974, 2nd. vol on P.R. trees published (Trees of Puerto Rico 

and the Virgin Islands, Vol. II). The San Juan Star [San 

Juan, P,R*], Oct. 11, 1974, 

The trees of Puerto Rico and the Virgin Islands, both United States 

and British, are described in two volumes, of which this is the second 

(volun~ 2). " n Trees of Puerto Rico and the Virgin Islandst' by 

Little and -worth is citd here as volm 1, 

[Puerto Rico- Trees] . 1975. A touch of green for the city scene. The San Juan Star 

[San Juan, P.R.], Aug. 2, 1975. 

An organization made up of citizens beautifying San Juan 

recently began planting trees and. s n streets in the 

capital city. 

[F~erto Rice, Trees] , 

1975. Wise trees, magic trees .. The San Juan Star [San Juan, P.R.] , . 16, 1975, 

morncement regarding the Puerto Rico Conservation st's having 

published an arti sh entitled "Sabios &boles, 

dgicos Srboles " trees in Puerto Rico k sological cycle. 
947. aterto Rri_c versidad de, Escuela de Wrecho, Instituto de 

Derechs Ur 

1967. La Con~mci0.n de recursos naturales* V. de P.R., 

Rfo Piedras, P,R. 

Conference on L"?e consemation of natural resources of Puerto Rice. 

948. rsity of, and the Ec nistration 

sf Puerto Ri_co, 

1974, Puerto hco and the sea: an action program fo 

affairs. 129 p. Univ. of P.R., and the Eon. iXv, 

Sa Juanf PoR* 

tbd to the Governor of Puerto Rico in 1972. 

949. [Puerto Rico. Urban forestry]. 

1969. Planners envision a cooler urbanite by planting trees. 

The San Juan Star [San Juan, P.ii.1 , Mar. 18, 1969, 

950. [Puerto Rico. Vacfa Talega]. 

1974. tic forest proposed for Vacfa Talega. The San Juan 

St= [Sari Juan, P.R.1, Jan, 14, 1974. 

Hearings on the preservation of Vacfa Talega mangrove swampland by 

converting the area into an aquatic forest to serve recreational 

needs are outlined in this article. 

951. Puerto fico Water Resources Authority. 

1972 - rre Power Plant Complex enviromntal report. P.R. 

Water &sour. Auth., San Juan, P.R. 198 p. 

Tkis environmental report provides a smumry description of the 

project's environnlental features, evaluation of the enviromntal 

effects attributable to the project's implementation, and a benefitcost analysis. 

952. [Puerto Rrico. Yungue] , 

1978. Public's ideas sought on benefits for Yunque. The San 

Juan Star [San Juan, P.R.], Aug. 1, 1978. 

953. Quartem, Elsie. 

1970, Gemination of seeds of certain tropical species* In A 

tropical rain forest: a study of irradiation and ecology at 

El Verde , Puerto Rico . Howard T. Odum and &.kert F . Pigeon, 

eds. Ch. D-5, p. D 173 - D 175. USAEC, Oak Ridge, Tn. 

e species were planted to test the effects of radiation 

. Germination of irradiated Dacryodes seeds was severely 

reduced; that of Smilax was not. Seeds of Linoeiera proved to be 

e; germination of Dacryodes seeds was better in the shade. 

954. Wles Colbn, mr 

1962. La repoblaci6.n forestal en las fincas privadas. Rev. de 

Agr. de P,R. 49fl):114-122. 

Reforestation on the private farms in Puerto !&coo 
955 . &ones, Luis R. 

1943. Info nar sobre la utilizaci6n prdGtica de la 

Gaiob. For. 5 (1) :44-47, 

reprtr. on tine utilization of the bark of the 

nt of mna Island avif In &bna md It%,nim 

Islands: an assesswnt. of their natural %d his 

Vbl, 2, App. K, p. K-1 - I(-32. Jmta de Cali 

[mvirommta9 Wality Board], San Juan, P-R, 

957. Raffaele, Ekrkrt, 

ligro de atinci6n en me 

msos Natwales, San Juan, P.R. 

Rare animals in dmger of extinction in Puerto Iiico. s 

958, Rams, Francisco. 

1866. Prontuario de dispsiciones oficiales del gobierno superior 

de la isla dE? Puerto Rico. Imp. de J. Cbnzdlez Font, San Juan, 

P.R. 531 p. 

The official disposition of the gove t of the island of Puerto Rico. 

959. Rams Lkjpez, Juan Re 

1978. Visualizm 30 mil mpleos. Plan reforestzlci6n satisfacerla 

s mdaeras de la Isla. El Mwtdo [Sari Juan, P.R.], 

Feb. 15, 1978. p, 3-A. 

Reforestation plan would provide 30,000 jobs and satisfy demand for 

on the island. 

96 Fkcher, Harry F. 

1970. Population density anSa seasonal changes of the avifauna 

in a tropical forest before and after irradiation. 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde , Puato Rico. Howard T. Odum and Robert F. Pigeon, 

eds. Q1. E-5, p, E 69 - E 93, , Oak Ridge, Tn. 

Frcxn 1964 to 1966 bird pplations were censumd in 25 acres of lawer 

mntane rain forest at El Verde and in 9 acres of palm forest on 

Mt. Britton to tkr east, At El Verde bird densities were 6.7 to 9.1 

per acre and at Mt. Britton 5.8 to 7.7 birds per acre. 

Patterns of breeding were chx~d with season; -they are discussed 

rela to pulses of Z prodiuctivity ilvGEable in insects, flowers, 

and ts* 

961. Recher, F., and Judy T, 

ntribu~on to knowledge of the avifauna of the 

Sierra de llo, Puerto Rjico. Caribb. J. Sci. 6(3/4):&51-161, 

962. Record, Samuel J. 

1927, The s of Wxico, Central and South merica and the West 

Indies. - Pn Inemational Critical Tables 2:39-42. McGraw-Hill, 

New York . 
963. &cord, Smuel J., and Robert W. ess1943. rs of the new mrld.640 p. Yale U;niv. Press, Mw men. 

964. word, S-1 J., and Clayton D. W11. 

rs of Tropical rica, 610 p, Yale Univ. Press, 

New Haven. 

965. Reddy, C. V. K. 

1956. Puerto Rico and its forests. Indian For, 82(10):501-510. 

966. &id, David. 

1942. Creosote penetration in T mlco wxx3 as affected by Preliminary boiling treatnwts in organic solvents. Caribb. For. 

4 (1) :23-24. 

This paper deals specifically with the problems in the preservative 

treat&& of taboico , ~acryodes excelsa Vahl . , one of the mre important Puerto Rican species. Spanish s , Cauibb. For. 4(1) :34. 

967. Ricciuti, Edward R. 

1973. Parrot! Parrot! flickering out. Audubon 75(5):86-108. 

968. Ricciuti, Ediward R. 

1974. The Puerto iiican parrot. In: To the brink of extinction. 

Edward R. Riccuiti. Ch. 1, p. 3-32. Harper and Row, New York. 

Tkis book tells the stories of seven species of wild animals that have 

been on the road to extinction, one of which is the Puerto Rican parrot. 

96 9. Richards, Douglas D. 

1962. E.U. contratard obreros en isla para dos obras. El ~Ykundo 

[San Juan, P.R.], Oct. 29, 1962. 

The U.S. Department of Agriculture assigns five million dollars for 

construetion on forests in Puerto Rico. 

970. Rivera, Angel. 

1925. Puerto Rico y la silvicultura. Rev. de Agr. de P.R. 

14 (3) : 261-262. 

Puerto Rico and silviculture. 

971. Rivera, Julio. 

1955. Servicio Forestal cqle 50 a5os de vida. El Mdo [San 

Juan, P.R.], Dec. 17, 1955. p. 7-A. 

General description of the works done during tkis period. 

972. Rivera, Luis Ei. 

1973. Soils of 1Wna Island. In Mona and fJlronito Islands: an 

assessment of their natural=d historical resources. Vol. 2, 

Ppp. C, p. C-1 - C-4. Junta de Calidad Ambiental [Env. Qual. Bd.] 

San Juan, P.R. 
973. Rivera Braes, L., B. F. Villalobs, and C. Paey-Joseph. 

1969. Bosques pfiblicos de Puerto Rico. Depto. de Agricultura, 

icios Auxilixes raciones mntralizadas, Prosemaei6n de 10s sos Forestales. 

Public forests of Puerts Rice. 

974. Rivera 6n, Frmisco. 

1962. epblaci6n forestal en la altura puertorrigu*, Rev. 

de Agr. de P.R. 49(1):122-128. 

Reforestation in the mwrtains of Puerto fico. 

975. Roberts, Ray Carlton. 

1942. Soil s y of merto Rico. USDA Bur. Plant Indus., 

Washington, D.C., and the Univ. of P.R., Agric. Ekp. Stn., Ho 

Piedras, P.R. U.S. Govt. Print. Off., Washington, D.C. 

976. Rodrf guez San Pedro, Joaqdn. 

1865. Legislacicin ultran~arina. Vol. 4., 708 p. Impr. de 10s 

Seriores Viote, Was y Vicente, Madrid. 

Overseas legislation. 

1959. Puerto Rican parrot (Amazona vittata vittata) study. 

Monograph of the Dep. of Agric. and Corn., No, 1. P.R. Fed. 

Aid Pro]. W-7-R. P.R. Dept. of Agric. and Cm., Div. of Info., 

Sm Juan, P.R. 15 p, 

978. ~odriguez-Vidal, JOS~ A. 

1962. Viveros forestales, Rev. de Agr. de P.R. 49(1):156-164. 

Forest nurseries in Puerto fico, 

979. ~ojas Daporta, 1% 

1954. crernatorio: se han rescataao cerca de 40 cueraas de nmgle. El Mwrdo [San Juan, P.R.], Feb. 19, 1954. p. 22. 

The rescue from destruction of 40 acres of mangroves in Puerto Rico. 

980. Rojas Dgporta, N. 

1955. Varios depart ntos gubernamentales se han unid. para 

llevar a cabo la elirninaci6n total de 10s manglares del Ca5o 

de Martfn Pefia. El Mwdo [San Juan, P.R.], Jan. 18, 1955. p. 5. 

Puerto Ricm gover nts unite to restrict elimination 

981. Rojas Daporta, Malgn. 

1964. En la falda del Yungue Vivero produce anuahente m5s de un 

mill6n de arbolitos. El Mundo [San Juan, P.R. ] , Oct. 19, 1964. 

p. 4. 

mre than a million small trees have been produced in the Caribbean 

Forest nursery for free distribution for planting on private farms. 
982. Rojas Daprta, ~al6n. 

1965. Proyec 4 nuevas zonas recreativas en El Yunque. El 

. 2, 1965. 

Plans to establish 4 new recreation areas in the Carfikan National 

Forest. 

983. Rojas Daprta, Malh. 

1965. Realizan investigaciones de bosques primitives en el &ea 

forestal de El_ Yungue. El [San Jum, P.R,], 25, 1965. 

p. 6-7 . 

Article on the multiple uses made of the Caribbean National Forest. 

984. 

1931. Nuevos bosques para Puerto Rico. Rev. de Agr. de P.R. 

26 (10) : 120-121. 

New forests for Puerto R~co. 

985, Rosario, Jos~. 

1935. Devel t of the Puerto Rican jfbaro and. his present 

attitude toward society. 116 p. Univ. of P.R., Rfo Piedras. 

986. Rouse, I. 

1952. Porto Rican prehistory. In Scientific Survey of Porto 

Rico and the Virgin Islands 18(3) :307-578. N.Y. =ad. Sci., 

New York . 

987, Butte, E, 

1971. The environment. The San Juan Star [San Juan, P.R.] , &lay 30, 1971. p. 8. 

988. Rusking , William N. 

1970. A quantitative description of vegetation at El Verde sites. 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Rico. Ik>ward T. Odum and Robert F. Pigeon, 

eds. Ch. B-14, p. B 169 - B 237. USAEC, Oak Ridge, Tn. 

Fran quantitative structural data collected on two forest sites, detailed maps of the area were drawn. Other vegetation data, both 

structural and t ncanic, also are available for the sampled areas. 

989. Russell, &ith W., and H. A. Miller. 

1977. The ecology of an elfin forest in Puerto Rico, 17. 

Epiphytic mossy vegetation of Pico del Oeste. J. Arnold Arbor. 

58 (1) : 1-24. 

990. Sarmels, Garge. 

1966. A survey of the PH status of the soils of Puerto Rico. 

Tech. Pap. 42. Univ. of P.R., Agric. Ekp. Stn., ilfio Piedras, 

P,R. 33 p. 
991. SSnchez, J. C,, E. H. Holsten, and J. L. Wmre. 

rtamiento de cinco esrx~cies de mliaceae e 

a. [B&avior of five mliaceae species in 

Costa Rica] . In Studies on tht3 shoo 

(Zeller ) Lep . &alidae. p . 97-1 03. Centro ~gronEnlico Tropical de Investigaci6n y Ensefianza, CATIE. fYrisc. PUb. 1 (LICIZ 

P;iscellanaus Publication No , 101) , V. 3, 

992, Santana, Pedro M. 

1973. Ld Isla de Fbna en los timps precol inos, [mna 1slmd 

s]. Mona and Mofito Islands: an 

aturaland historical resources. Vol . 2, 

. Junta de Calidztd. iental [mviromntal 

Quality Ik>ard], San Juan, P.R. 

993. Sawbey, C. 

1939. Forestry and erosion in Haiti and Puerto fico. Jamaica 

Bull. 21 (New Series). Ept. of Agric. and Sci., Jamaica. 10 p. 

994, Schauss, W. 

1940, Insects of Porto Rico and the Virgin Islandis, Moths. Tz - Scientific Survey of Port0 Rico and the Virgin Islands 

12(2/3):177-417. N.Y. Xad. Sci., New York. 

995. Schmidt, K. P, 

1920. Csntributions to the he 

&ad. Sci. 28:167-200, 

996. Schmidt, K. P. 

1928. Amphibians and land reptiles of Porto Rico. In Scientific 

Swey of Porto Rico and the Virgin Islands 10(1)3-160. N.Y. 

*ad. Sci., New York. 

997. Schul=>ert, T, [Thcmas] H. 

1977. Book review of: Whiawre, T. C. 1975. Tropical rain forests 

of the Far East 282 p. Clarendon Press, Oxford, mglana. 

- In For. Sci, 23(1):80. 

998. SGhubert, Thornas H., and JOE& A. Zarnbrana. 

1978. Honduras or bigleaf mahogany: an ornamental and shade tree 

for avenues, road intersections, and large areas. (In Spanish 

on reverse side, "Caoba Hondurefia o caoba de hojas grandes: 

6rbol ornamental y de soYnbra para avenidas, intersecciones y 

&eas extensas. ") U. S. Dep. Agric. For. Sew. , Urban Forestry 

Bull. , Cari"x1,bean Area. 2 p . 

999. SchUbert, Thms He, and JOS~ A. Za;nbraa. 

1978. West Indies or small-leaf gany: an ornamental and 

shade tree for semi-confined areas and adverse conditions. 

(In Spanish on reverse side, "Caoba Dcminicma o caoba ho ja 

pequefia.") U.S. Bp. Agric. For. Serv., Urban Forestry Bull., 

Caribbean Area. 2 p. 

1000. Schuchert, C. 

1935. Historical geology of the Antillem Caribbean Region: the 

lands bordering the Gulf of co and the Caribbean Sea. John 

Wiley & Sons, Ix., New York. 811 p. 
1001. Seaver, F. J., and C. E. Chard6n. 

1926. Botany of Porto Rico and the Virgin Islands, wcology. 

- In Scientific Survey of Porto Rico and the Virgin Islands 

8(1):1-208, N.U. *ad. Sci,, New York. 

1002. Seda, &nj 

1962. Principios generales para fomlar una politica forestal 

para Puerto Rico. Rev. de Agr. de P.R. 49(1):87-93. 

The forestry law of Puerto Rico, approved Nov. 22, 1917, establishing 

the base for a public forestry policy. 

1003. Seda, 1~3ftnjdn R. 

1963. Ios bosques y la lluvia. Rev. de Agr. de P.R. 50(2):88-90. 

forests and the rain. 

1004. Seda, E3enjdn R. 

1964. El prograrna forestal de Puerto Rico. Rev. de Agr. de P.R. 

51 (1) : 102-108. 

The forestry program of Puerto Rico. 

1005. Shafer, J. A. 

1914. Botanical exploration on the Island Vieques, Porto Rico. 

J, N,Y. Bot. m. 15:103-105. 

This is a general account of the island and of its vegetation. 

1006. Shafer, J. A. 

1915. Collecting in the muntain region of eastern Porto Rico 

J. N.Y. Bot. Gar. 16:33-35. 

1007. Sherman, E. A. 

1928. Condiciones silvicolas de Puerto Rico. Rev. de Agr. de 

P .R. 20 (6) : 259-272. 

Sivicultural conditions of Puerto Rico. 

1008. Shlers, D. 

1970. Jobs Bay ecology study announced. The San Juan Star 

[San J~an, P.R.], July 21, 1970, p. 6. 

1009. Smedley, D. 

1961. Clillatological data. Puerto Rico and the Virgin Islands. 

No. 60-52. U.S. Weather Bur., Waskington, D.C. 

1010. Smith, N. R, 

1936. The ants of Puerto Rico. J. Agric. &v. of P.R. 

20 (4) : 819-975. 

1011. smith, R. F. 

1965. The Rain Forest Project Annual Report for 1965. Vegetation 

structure of lower mntane rain forest at El Verde. p. 47-60. 

USAEC Report PRNC-61. P . R. Nuclear Center, &v. of Puerto 

Rice, Rfo Piedras, P.R. 
1012, Snlith, Richard M., and Fernado k~a. 

1955. Soil and water conservation research in Puerto Rico, 1938 

to 1947. Bull. 124. 51 p. Ijniv. of P.R., Agric. Ekp. Stn., 

FSo Pie&ras, P.R. 

1013. Smith, Robert Ford. 

1966. Vegetation structure of a Puerta Ricm 

[Wp&lishrzd] 173 p. 

Study done following the sequence of changes in forest structure 

during radiation and of changes in the first year following radiation 

ared with those reported in sonle sb-ilar riments done 

rate forests. 

1014. Smith, Ford. 

1970. List of cmn plant species at El Verde. In A tropical 

rain forest: a study of irradiation and ecolGat El Verde, 

Puerto Rico. Ward T. Odum and Robert F. Pigeon, eds. 

Ch. B-4, p. B 59 - B 61. USAEC, Oak Ridge, m. 

Plants frequently involved in t31e studies at El Verde are listed 

in this chapter. 

1015. Smith, Robtart Ford. 

1970. Preliminary illustrated leaf key to the plants of 

the Luguillo Mountains. In A tropical rain forest: a study 

of irradiation and ecolow>t El Verde, Puerto Kico. Hmxd 

T. Odum and Robert F. Pigeon, eds. Ch. B-16, p. B 275 - B 290. 

USAEC, Odk Ridge, Tn, 

A key with leaf drawings is provided for identification of the 

cmn woody plants of the Luguillo !qountains, Puerto Rico, using 

vegetative characteristics. 

1016. Smith, Robert Ford. 

1970. The vegetation structure of a Puerto Rican forest before 

and after short-term irradiation. In A tropical rain 

forest: a study of irradiation and ecol at El Verde, mato 

Rico. kbward T. Odum and Robert F. Pigeon, eds. Ch. D-3, 

p. D 103 - D 140. USAEC, Oak Ridge, m. 

The structure of a stand of rain forest at El Verde was studied, before 

and for one year after it had been subjected to three mntk of g 

radiation. Floristic analysis showed that a chanqe in the soil £ran 

relatively aerobic to anaerobic conditions was attributed to factors 

of drainage. 

1017. Sollins, Phillip, and Gorge Drewry. 

1970. Electrical conductivity and flow rate of water through the 

forest canopy. In A tropical rain forest: a study of irradiation 

and ecology at ~TVerde, Puerto Rico. mward T. Odurn and Robert 

F. Pigeon, eds. Ch. H-10, p. H 137 - H 153, , O& m, 

Tkroughfall, stemflow, and rainfall interception were studied to determine 

their relative importance as factors in the canopy water balance and 

the overall nutrient cycle of the forest. 
1018. Soriano- sy, 6.laUi0, A. P JOS~ w. Perez. 

1970. A camparison of s of rain forests in 

British West Indies, Rico. In A tropical 

a study of irradia ~l~erde, Puerto Rico . ard T s. Ch. B-21, p. B 329 - 

, and vegetation data were collected from seven Tabonuco forests to characterize rain forest systems found in the mountains 

of the Caribbean Islands. Three sites were established in rtmtured virgin 

forests on the island of Dominica, British West Indies, and four sites 

Ere established in forests that had experienced selective cuttings on 

the island of mrto Rico. 

1019. Sorrie, B. 

1974. Observations on the birds of Vieques Islands, Puerto ace 

Caribb* J. Sci. 15 (112) : 89-103. 

1020. Sorsa, Veikko. 

1970. Fern cytology and the radiation field. In A tropical rain 

forest: a study of irradiation and ecology at El Verde , Puerto 

Rico. Howard T. Odum and Robert F. Pigeon, eds. Ch, G-3, 

p. G 39 - G 50. USAEC, Oak Ridge, Tn. 

Postirradiation studies carried out on pteridophytes in the rain forest 

project area at El Verde have shown that these plants are unexpectedly 

resistant to the radiation anitted by a cesium source. Possibly some 

structural characteristics prevent, breaks in the chrms-s or 

leads to their repair. 

1021, Spain. Ministry of Ultrarclar. 

1884. Regulations for the ccmprdse sale of unappropriated 

govemnt lands in the Island of Porto Rico, approved on 

April 17, 1884. 4 p. [Copy of the regulations in Institute 

of Tropical Forestry files] . 

1022. Spsta, J. W. 

1957. National forests are closely tied to Comnwealth econq. 

The Island Times [Sari Juan, P.R.], No. 102, Sept. 20, 1957. 

Laborers carry out an integral part of the improvement program on 

national forest land in Puerto Rico. 

1023. Sposta, Joseph W. 

1960. Chemical rmval of inferior tropical tree species. U.S. 

Wp. Agric. Trop. For. Note 4, 2 p. U.S. ijep. Agric. For. Sew., 

s Cent. [now named Inst.-Trap For.], Ria ~ieciras, P.R. 

[Dixontinued series]. 

The Spanish version is published as Apuntes Forestales Tropicales No. -4 

and is entitledJ'~liminaci6n de esoecies tropicales inferiores por mdio 

de substancias ~cas." 
1024. Sposta, Joseph W. 

1960. Eliminaci6n de especies tropicales inferiores por medio 

de substancias cas. U.S. Dep. Agric. For. Sem., Apuntes 

Forestales Tr s No. 4, 2 p. U.S. Dep. Agric. For. Serve, 

mop. For. &s. Cent. [rim n Inst. Trap. For,], xo pie&-as, 

P . R . [Discontinu& series] . 

English version published as Tropical Forest Notes No. 4, entitled 

"Chemical removal of interior tropical tree species." 

1025. Stahl, ~gustfn. 

1875. El tortugo amarillo de Puerto Rico. Anales Soc. Esp. Kist. 

Hat. 4319-40. 

Account of economic plants of Puerto iiico, with special discussion of 

the Sapotaceae . 

1026. Stahl., Agustfn. 

1883-1888. Estudios sobre la flora de Puerto Rico. 2nd. ed. 

Vol. 1, 373 p. Publicaciones de la Fed. Wr. Rel. ~drnin., 

San Juan, P.R. 

Descriptions in Spanish of scgoe plants of Puerto Rico, based mainly 

upon the author's collections from 1865 to 1888. This is an uncompleted work. 

1027. Stahl, Agusth. 

1889. Los Indios Borinquefios [Puerto Rico] . Imprenta &osta, 

San Juan. 

The Borinquen Indians ( Puerto Rico ). 

1028. Steere, William C. 

1970. Bryophyte studies on the irradiated and control sites in 

the rain forest at El Verde. In A tropical rain forest: a 

study of irradiation and ecology at El Verde, Puerto Rico. 

mward T. Odum and Robert F. Pigeon, eds. ol. D-11, p. D 213 - 

D 225. USKEC, Oak Ridge, Tn. 

Bryopkytes appeared to be more resistant to ionizing radiation than 

higher plants. Among bryophtes leafy hepatics were mre sensitive 

and mosses were mre resistant. 

1029. Stehl6, Henri. 

1945. Forest typessof the Caribbean Islands. Part I. Caribb. 

For. 6(suppl,) :273-408. 

This article has been translated frm French and also has been 

translated into Spanish. 

1030. Stehl6, flmri. 

1945. ms tips forestales de las islas del Caribe. Parte I. 

Caribb. For. 6(suppl.):273-416. 

This article has been translated from French and also has been 

translated into English. 
Steh16, Hmi. 

1945. Les types forestiers des Iles Caraibes. [Forest 

Caribbean Islands] . Caribb. For. 6 (suppl. ) : 273-474 

er Suite, and Caribb. For. 7(suppl.):337-709, 2946, 

me Partie. 

Stehlg, Hemi. 

1947. Liste canplementaire des arbres et arbustes des Petites 

Antilles. Caibb. For 8:91-123. 

List of trees and shrubs of the Lesser Antilles. 

Stein, A. H. 

1957. Forest policy and legislation. Caribb. For. 18:68-87. 

Stejneger, L. 

1904. The herpetology of Porto Rico. U.S. Nat. Herb. Rep. 

1902:549-724. 

Stella, Tbd. 

1965. Radiation for experinentation causes: hot spot in the rain 

forest. The San Juan Star [San Juan,P.R.], Jan. 17, 1965. 

p. 8-9. 

An experiment of radiation at El Verde to study the effects of radiation 

in the living organisms is reported in this article. 

Stella, Tom%. 

1976. Huge program eyes planting of 30,000 San ~uan trees in '76. 

The San Juan Star [San Juan, P.R.], May 30, 1976. 

The municipal govemnt of San Juan will undertake to plant trees. 

The group will be composed of high school and college students plus 

200 regular or temporary employees of the lhJnicipa1 Public Works 

Departn~nt in planting saplings along the city's sidewalks and in 

front of hms, 

Stevens, F. L. 

1916. Collecting plants in Porto Rice. J. N.Y. Bot. Gard. 

17 : 82-85. 

This is a record of botanical investigations made while Professor 

Stevens was dean of the College of Agriculture at Mayaguez, P.R. 

Stevenson, Tom. 

1968. Consideraciones sobre ralces de 10s &boles. El Mundo 

[San Juan, P.R.] , Oct. 26, 1968. p. 42. 

Account on roots of the trees. 
1039. Stiven, Alan E, 

1970. Respiration in the snail Caracolus caracolla and an estimate 

of the relative density and bi ss of litter sndls, In A 

tropical rain forest: irradiation at 

El Verde, Puerto Rico. . mum and Robert F. Pigeon, eds. 

Ch. 1-5, p, I65 - 167.. , Oak Ridge, Tn. 

The size-specific oxygen consmption of the nant tree snail, 

Caracolus caracolla was estimated in August , and the papulation 

for various possible population densitie: 

The relative se spcies fitted well the Macmw (19573 

"broken stick suggesting that in the relatively Slitter enviromn niches of gastropod species are nonoverlapping 

and contiguous. 

1040. Stone, R. 

1899. ~griculture in Puerto Rico. U.S. Dep. Agric. Yearbook 1898. 

p. 505-514. U.S. Gov. Print. Off., Washington, D.C. 

1939. Forestry and erosion in Haiti and Puerto Rico. Jamaica 

Dep. Sci. and Agric. Bull. 21 (New Series), Kingston. 10 p. 

Land usage in the West Indies is daninated by limited land area, 

rapidly increasing population and dependence on agricultural craps, 

declining in value. In Haiti excessive deforestation has created 

land problems of major importance. The erosion problems of Puerto 

Rico are discussed also, a brief history of the U.S. Forest Service 

and its organization is given. 

1042. Tamsitt, J. R., and Darfo Valdivieso. 

1970. Observations on bats and their ectoparasites. In A tropical 

rain forest: a study of irradiation and ecology atxl Verde, 

Puerto Rico. Howard T. Odum and Robert F. Pigeon, eds. 

Ch. E-9, p. E 123 - E 128. USAEC, Oak Ridge, Tn. I 

Four species of bats from the rain forest of the El Verde experimental 

area, LugUillo National Forest, Puerto Rico are reported on, and the 

potential of the forest for studies in neotropical bat ecology and 

population dynamics is discussed. 

1043. Taylor, N. Cavendish. 

1864. Five mnths in the West Indies, Part I1 - Wlartinique, 

Dominica, and Porto Rico. Ibis 6:157-164; 

1044. Teesdale, Iaurence V., and James W. Girard. 

1945. Wad utilization in Puerto Rico. U.S. For. Serv., For. 

Prod. Lab. Bull. TP-21. Madison, Wisc. 46 p.[ 

1045. Tordoff, Herbert, 

1947. Forestry publicity through display. Caribb. For. 8(2):83-85. 

Spanish version, Caribb. For. 8 (2) : 85-89. 

1046. Ibrdoff, Herbert. 

1947. Publicidad forestal valisndose de la dmstraci6n. Caribb. 

For. 8 (2) : 85-89, 

English version, Caribb. For. 8(2):83-85. 
1047. Wro Mazxio, J. f4. 

r Xa &1 Zufbol en Puerto Rico fue auspiciado pr 

1. Rev. de Agr. de P.R. 35(1):46-52. 

The first Arbr Day in Puerto Rico was initiated by the last 

mvernor . 

1048. Ibsi, J, A,, Sr. 

1959. Forest land utilization in Nesem PueW ~CO. Ph.D. Diss., 

versity Ylicmf i-, Inc . , Xbr, iylich. 511 p. 

1049. Tower, W. V. 

1909. WinWeaks. The Itorto Rico Hort. News. 2(9):1-2. 

1050. Tropical Forest nt Station [now n d Institute of Tropical 

Forestry] , Fores e , USDA. 

1943. Headquarters office and 1 

Caribb. For. 4(3) :3. 

1051. Tropical Forest Ekpe t Station Enow nard Institute of Tropical 

Forestry], Forest Service, USDA. 

1945. Cooperation in forest research in the Caribbean. Caribb. 

For. 6 (2) : 85-88. 

The beginning of active cooperation in tropical forestry research and 

toward establiswnt of a Forest Research Center for the Caribbean 

Area has been accqlishd be 

and Wlfare of the British West Indries and the Trop. For. Exp. Skn., 

USDA For. Serv., Rfo Piedras, P.R. 

1052. Tropical Forest r*nt Station Enow Institute of Tropical 

Forestry], Forest Service, USDA. 

1940-1949. First 9 Annual Reports of the Trop. For. Exp. Stn. 

The first 9 years' reports =re unpublished; this reference refers to 

a bound collection located in the library of the Institute of.Tropica1 

Forestry, Rfo Piedras, P.R. 

1053. Tropical Forest Experiment Station [now namd Institute of Tropical 

Forestry], Forest Service, USDA, and the Agric. Exp. Stn., Univ. of P.R. 

1941. A preliminary study of the parcelero system. Mo Piedras, 

P . R, [unpublishedtl . 

s adopted, there were 6 forest units belonga1 Govemnt on the island: LucpLllo, Toro Negro, 

larte (Prieto) . The Luquillo unit 

ts. These are El Verde, Pizb, Ci6- 

Del Valle. The Toro Negro unit was compsd 

Guinea, Doh. Juana, and Matmllas. The zo 

ojects fomd the Guajataca unit. Guavate and 

s known as the Carite unit. With the 

exception of the Luquillo unit, known as the Caribbean National Forest, 

and part of Toro Negro unit (Do% Juana) , all the other units were 

bought after 1935 %."uerto fico ReconsWuction Rdministration 

for refores n ses. Although these lands belonged to the 

Puerto fie0 ion -fistration, they were under rect 

supemision of the Forest Service of the ~f3d of 

Agricul-ture* 
In the "Parcelero Policy" program, a plan made land available to 

laborers for planting and cultivating subsisting crops. Scare of this 

land was to be used only for agriculture. They were also given forest 

land to plant anti care for forest trees planted in rotation with 

subsistence crops. The final objective was to create a group of 

forest laborers who would grow crops for their own use and obtain 

their cash incane from the sale of forest products. 

Tropical Forest Experiment Station [now namd Institute of Tropical 

Forestry], Forest Service, USDA. 

1948-49. Ninth Annual Reprt and Program. Caribb. For. 10:81-119. 

Tropical Forest Ekperirnent Station, Tropical Region [now nmd Institute of Tropical Forestry], Forest Service, USDA. 

1949. Tenth Annual Report. Caribb. For. 11(2):59-80. 

Spanish version, Caribb. For. 11(2):81-104. 

Tropical Forest Ekperiment Station, Tropical Region [now named Institute of Tropical Forestry], Forest Service, USDA. 

1950. Eleventh Annual Report. Caribb. For. 12(1):1-17. 

Spanish version, Caribb. For. 12(1):17-35. 

Tropical Forest Experiment Station, Tropical Region [now narm Institute of Tropical Forestry], Forest Service, USDA. 

1951. Changes in crown class rapid in improved stands. - In 

ual Report. U.S. Trope For. Exp. Stn. 

Caribb. For. 12 (1) : 8-9; 25-6. 

Tropical Forest Ekperkrant Station, Tropical Region [now named Institute of Tropical Forestry], USDA. 

1952. Twelfth Annual Feport. Caribb. For. 13(1):1-21. 

Tropical Forest Experiment Station, Tropical Region [now named Institute of Tropical Forestry], USDA. 

1953. Thirteenth Annual Report. Caribb. For. 14(1/2):1-33. 

Tropical Forest Experiment Station, Tropical Reqion [now nanled Institute of Tropical Forestry], Forest Service, USDA. 

1954. Fourteenth Annual RepDrt. Caribb. For. 16(1):1-13. 

Tro?ical Forest Research Center [now named Institute of Tragical 

Forestry], Forest Service, USDA. 

1955. Fifteenth Annual &port. Caribb. For. 16(1/2):1-11. 

'Tropical Forest Pesearch Center [now narneii Institute of Tropical 

Forestry], Forest Service, USDA. 

1956. Sixteenth Annual Report. Caribb. For. 17(1/2):1-11. 

Tropical Forest Research Center [now named Institute of 'Tropical 

Forestry], Forest Service, USDA. 

1957. Seventeenth Annual Report. Caribb. For. 18(1/2):1-11. 
1064. Tropical Forest Research Center [now namd Institute of Tropical 

Forestry], Forest Service, USDA. 

1958. Status of forestry and forest research in Puerto Rico and 

the Virgin Islands: The Eighteenth Annual Report. Caribb. For. 

19 (112) : 1-24. 

1065. Tropical Forest Research Center [now named Institute of Tropical 

Forestry], Forest Service, USDA. 

1959. Annual Report for 1958. Caribb. For. 20 (1/2) :1-10. 

1066. Tropical Forest Research Center [now nmd Institute of Tropical 

Forestry] , Forest Service, USiA. 

1960. Annual Report for 1959. Caribb. For. 21(1/2):1-11. 

1067. Tropical Forest Research Center [now named Institute of Tropical 

Forestry], Forest Service, USDA. 

1961. Annual Report for 1960. Caribb. For. 22(1/2):1-11. 

1068. Tropical Region [naw named Institute of Tropical Forestry], Forest 

Service, USDA. 

1949. The Caribbean Forest Atlas. U.S. Dep Agric., For, 

Serv., Rfo Piedras, P.R. 

Zhis atlas includes descriptive and factual information on the public 

acquisition and continuing status and ownership of land for national 

forest purposes in Puerto Rico. Information carpiled during 1946-1948. 

1069. Tschirley, Fred H., Clyde. C. Dawler, and Jms A. Duke. 

1970. Species diversity in two plant ccrrurmnities of Puerto Rico. 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Rico. Howard T. Odum and Robert F. Pigeon, 

eds . Ch. B-7, p. B 91 - B 96. USAEC, Oak Ridge, Tn. 

Species diversity of flora in the wet Tabonuco forest of the Luquillo 

Mountains on basalt was ccxnpared with that in the drier mntane forest 

on serpentine at Maricao in western Puerto Rico. The floristic diversity on the drier Maricao soil that was derived from nutrient-poor 

rocks suggests that nutrients can be cycled and recycled through the 

extant plants to develop a rich forest. 

1070. Tukey, H. B., Jr. 

1970. Ieaching of metabolism from foliage and its implication in 

the tropical rain forest. In A tropical rain forest: a study 

of irradiation and ecology ;;fl El Verde, Puerto Rico . Howard T. 

Odum and Robert F. Pigeon, eds. Ch. H-11, p. H 155 - H 160. 

USE, Oak Ridge, Tn. 

Studies were made of the leaching of minerals (phosphorus, calcium, 

potassium, magnesium, zinc, manganese, iron, copper, boron, aluminum, 

and strontium) from healthy rain forest seedlings from El Verde, including 

sugar cane and banana. Little, if any, nutrients were leached from 

young, growing seedlings of tree species, and small munts were leached 

from young banana trees, sugar cane, and the seedlings of the rain 

forest. shrub P?-licourea , 
1071. Turner, Frederick E., and Clayton S. Gist. 

1970. Observations of lizards and tree frogs in an irradiated 

Puerto Rican forest. - In A tropical rain forest: a study of 

irradiation and ecol t ~1 Verde, eco* H~~ 

and Robert F. P , eds. Ch. E-2, p. E25-E49. 

, Oak Ridge, m. 

1s were killed by irradiation, and tho density of all species was 

obviously reduced within 15 to 20 n of the source; however, young 

indivi6uals apparatly enjoyed better survival because of time spent 

below ground. 

1072. hda y Delgado, M. 

1878. Isla de merto Rico: estado hist6rico. geogrSfico y estadlstico. ilst&IecSwrto Tip. del Ebletln, San Juan, P.R. 290 

Wmmt of Mlcrto Rico's history, geography, and its condition in 1878

1073. Underwood, L. M. 

1901. Reprt on a trip to Porto &co. J. N.Y. Ebt. Gxd. 2~166-1

This narrative of a cal collecting trip is the first work done 

in Puerto Rico under Spices of the New York Botanical Garden* 

1074. U.S. Army mgineers, Division Corps of Engineers. 

1971. national shore-line study, regional inventory report, South 

Atlantic-Gulf Region, Puerto Rico and the Virgin IslanGs. 

U.S. mgineers , Corps of Engineers, Atlanta, Ga.. 64 p. 

1075. U.S. Amy Engineers Waterways =per-t Station, Corps of Engineers. 

1960. Trafficability predictions in tropical soils. Puerto Rice 

study. Vicksburg, Miss. U.S. Anrry, Misc. Paper No. 4-355. 

1076. U.S. Departmnt of Agriculture. 

1968. il-ghlights in the history of forest conservation. Agric. 

Info. Bull. 83 [rev.]. 40 p. 

1077. U.S. Department of Agriculture, Forest Service. 

1940. Caribbean National Fbrest. U.S. Uep. Agric. For. Serv., 

South. Reg., Atlanta, Ga. U.S. Gov. Print. Off., Waskington, 

D.C. 29 p. 

1078. U.S. Depa .t of A~~~~Forest sewice. forest resource s 

1079. U.S. & nt of Agriculture, Forest Services 

1945. Statmt of policy and objectives governing the forest land

of the people of Puerto Rico. Caribb. For. 6 (4) : 171-177. 

Spanish version, Caribb. For. 6(4):184-189. 
1080. U.S. Department of Agriculture, Forest Service. 

1945. FKxd utilization in Puerto Rico. U.S. Dep. Agric. For. Ser~., 

Tech, Pap. 21. 46 p, plus illus. 

1081. U.S. Department of Agriculture, Forest Service. 

1946. Legislation, progress in tropical forest. Caribb. For. 

7 (4) : 275-276. 

1082. U,S, of Agriculture, Forest Service. 

1946. Programa dasonbmico para las tierras forestales de Puerto 

Rico. Caribb. For. 7(4):281-283. 

English version, Caribb. For. 7(4):277-278. 

1083. U.S. Deparhnent of Agriculture, Forest Service. 

1946. Program for forestry and forest lands in Puerto Rico. 

Caribb. For. 7 (4) :277-278 

Spanish version, Caribb. For. 7(4):281-283 

1084. U.S. Depar-t of Agriculture, Forest Service. 

1946. El progreso de la legislaci6n forestal en el Caribe. 

Caribb, For. 7 (4) : 279-280, 

English version, Caribb. For. 7(4):275-276. 

1085. U.S. Department of Agriculture, Forest Service. 

1346. Progress in tropical forest legislation. 

Caribb. For. 7 (4) :275-276. 

Spanish version, Caribb. For.7(4):279-280. 

1086. U.S. Deparhnent of Agriculture, Forest Service. 

1948. Resunw de la investigaci6n forestal en Puerto Rico. 

Caribb. For. 9 (1) :70-83. 

English version, Caribb . For. 9 (1) : 57-69. 

1087. U.S. Department of Agriculture, Forest Service. 

1948. S of forest research in Puerto Rico. 

Caribb. For. 9 (1) : 57-69. 

A Spanish version, Caribb. For. 9 (1) :70-$3. 

1088, U.S. of Agriculture, Forest Service. 

stramiento forestal en merto Rico hjo el program del 

"Punto eUatro."C~aribb. For, 11 (2) :58. 

Forestry training in Puerto Rice under the Point Four Program. 

1089. U.S. De of Agriculture, Forest Service, Caribbean National 

Forest. 

fn.d.1 Reader's guide to the Caribbean National Forest plans. 

Forestry training in Puerto Ftico under the Point Four Program. 

U.S. Xp. Agric. or. Serv., st. Tkop. For., Ho Piedras, P.R. 
1090 . of Agriculture, Forest Service, mopical &&on. [now 

of Tropical Forestry] . 1947. ClasificacirSn general de 1 mderer-s ds importantes en 10s bsques naturales rto Rico. [General classification of the rmst ies of the natural 

forests of Puerto Rico]. Rev. de Agr. de P.R. 38(2):135-136. 

s classification, prepxed DY the &par t of Aqicultue, Forest 

Service, Tropical Region, is based on data fran " s of the World" 

and &ss, Yale ~niversity Press, 1943; cal Ir+xds, " 

rsity 1925; some British publications; the experience and 

f local persons, and the use of these s. Wre are listed 

a~tpro'&tely 200 tree species in the natural forests of Puerto Rico. 

1091. U.S. Eepartment of Agriculture, Soil Conservation Service. 

[n.d.] Soils and their interpretations for various uses, Mayaguez 

Area, Puerto Rico. U.S. Dep* Agric..Soil Conserv. Serv., an 

Juan, P.R. 59 p. 

1092. U.S. Department of Agrkulture, Soil Conservation Service. 

1941. Soil Conservation in Puerto Rico an6 the Virgin Islands of 

the United States. U.S. Dep. Agric. Soil Conserv. Serv., San 

Juan, P.R. 141 p. 

Tkis is a handbook for soil conservation service technicians, vocational agricultural teachers, agricultural extension agents, and others in 

Puerto Rice and the Virgin ~slands. 

1093. U.S. Deparmt of Agriculture, Soil Conservation Service. 

1945. Land use capability classes and recamended treatmnt for 

interpretation of detailed utilitarian conservation survey of 

Puerto Rico. U.S. Dep. Agric. Soil Conserv. Serv., San Juan, 

P.R. 31 p. 

1094. U.S. Department of Agriculture, Soil Conservation Service. 

1951. Mas de capacidad de terreno. U.S. Dep. Agric. Soil 

Conserv. Serv., San Juan, P.R. 152 p. 

Land capability guides. 

1095. U.S. Department of Agriculture, Soil Conservation Service. 

1952. Breves apuntes sobre Puerto Rico. Los distritos de conservaci6n de suelos. U.S. Dep. Agric. Soil Conserv. Serv., San 

Juan, P.R. 4 p. 

The soils conservation districts in Puerto Riso. 

1096. U.S. Dew t of Agricultue, Soil Conserva+ion 

1961. Puerto Rice soil and water conserva~on 

U.S. Dep. Agric. Soil Consem. Serv., San Juan, P.R. 69 p. 

The inventory was prepared under the supervision of the Puerto Rico 

Consem. Needs C ., representing agencies and or zations with 

conservation responsibilities and interest. 
1097. U.S. Dep t of Agriculture, Soil Conservation Service. 

1967. Sox1 survey laboratory data and descriptions for soils 

of Puerto Rico and the Virgin Islands. Soil Serv. Invest. Rep. 

No. 12. U.S. Dep. Agric. Soil Conserv. Serv., San Juan, P.R. 

191 p. 

This report was done in c ation with the Univ. of P.R. Agric. IWp. 

Stn. and contains descriptions and laboratory data for 93 pedons sampled 

in Werto Rico and the Virgin Islands. Three indices are provided to 

help the reader find the descriptions and data for specific pedons. 

1098. U.S. Department of Agriculture, Soil Conservation Service. 

1969. Puerto Rico. Conservation needs. U.S. Dep. Agric. Soil 

Conserv. Serv,, San Juan, P.R. 2 p. 

This is a swnmary of the 1968 conservation needs inventory. 

1099. U.S. Department of Agriculture, Soil Conservation Service. 

1973. Rare and endangered animals of Puerto Rico. Cam. Rep. 

published in cooperation with the P.R. Dep. Nat. Resour. U.S. 

Dep. Agric. Soil Conserv. Serv., San JuanF P.R. 60 p. 

A comnittee of representatives of cmnwealth, federal, and private 

agencies has prepared this report on the Island's rare and endangered 

animal species. The reprt deals with the degree of endangerment of 

these animals, a description of these species, the causes of endangerrent, and guidelines for a plan of action to protect the animals. 

1100. U.S. Department of Agriculture, Soil Conservation Service. 

1974. Evaluaci6n de las potencialidades para desarrollos recreativos a1 aire libre en el Distrito de ~nsenracidn de Suelos 

Cibuco. U.S. Ep. Aq-ic, Soil Conserv. aem., San JU~, P.R. 39 p. 

Evaluation of the potential developnt of the Cibuco District of 

conservation as a recreation area. 

1101. U.S. Departmnt of Agriculture, Soil Conservation Service. 

1975. Evaluaci6n de las potencialidades para desarrollos recreativos a1 aire libre en el Distrito de Conservacidn de Suelos 

Noreste. U.S. Dep. Agric. Soil Consem. Serv., San Juan, P.R. 

68 p. 

Evaluation of the potential developnt of the Northeastern Puerto 

Rico District of Conservation as a recreation area. 

1102. U.S. Deparbmt of Agriculture, Soil Conservation Service, and the 

Departrent of Natural Resources, Co1'08wnwealth of Puerto hco. 

1975. Rare and endangered plants of Puerto Rico. A cannittee report. 

U.S. Dep. Agric. Soil Conserv. Serv., San Juan, P.R. 65 p. 

Tkis report is a list of rare and endangered plant species for Puerto 

Rico 

1103. U.S. Deparhrent of Agriculture, Soil Conservation Service, and the 

University of Puerto Rico, Agricultural EXperhnt Station. 

1965. Lajas Valley Area, Puerto Rico. U.S. Dep. Agric. Soil 

Conser. Sew., San Juan, P.R. 170 p. plus maps- 
1104. U.S. Departrent of Agriculture, Soil Conservation Service, Lhiversity 

of Puerto Kico, Agricultural Extension Service, ancl others. 

1949. Fm forestqj training course in Puerto Rico. Caribb. For. 

10 (4) :233-269. 

Spanish version, Garibb. For. 10(4):270-276. 

1105. U.S. Deparment of Agriculture, Soil Conservation Service, University 

of Puerto Rico, Agricultural Extension Service, and others. 

1949. Un cwso de adiestramiento en Puerto Rico, en materia de 

ciencia forestal aplicada a la finca. Caribb. For. 10(4):270-276. 

English version, Clauibb. For. 10(4):233-269. 

1106. U.S. Department of Agriculture, Soil Conservation Service, and 

University of Puerto Rico, College of Agricultural Sciences. 

1975. Soil survey of Mayaguez Area of Western Puerto Rico. Area 

~f Mayaguez, Puerto Rico. U.S. Dep. Agric. Soil Consev. Serv., 

and Univ. P.R. Coll. of Agric. Sci., Mayaguez, P.R. 296 p. 

plus maps. 

This soil survey contains information for use in managing farms and 

woodlands; in selecting sites for roads, ponds, buildings, and other 

structures; and in juaging the suitability of tracts of land for 

farming, industry, and recreation. 

1107. U.S. Department of Agriculture, Soil Conservation Service, and 

the University of Puerto Rico College of Agricultural Sciences. 

1977. Soil survey of Wunacao Axes of Eastern Puerto Rico. U.S. 

Dep. Pyric. Conserv. Serv., San Ju'an, P.R. 103 p. plus maps. 

'I'his soil survey contains information that can be used in managing 

farms, ranches, woodlands, and wildlifelareas; in selecting sites for 

roads, ponds, buldings, and other structures; and in judging the 

suitability of tracts of land for farming, industry, and recreation. 

1108. U.S. Weather Bureau. 

1965. Climatography of the United States. No. 86-45. Climatic 

sum~lry of the United States supplement for 1951 through 1960. 

Puerto Rico and the United States Virgin Islands. U.S. mv. 

Print. Off., Washington, DOC. 

1109. Upson, Arthur T. 

1945. ALL purpose transportation plan. Caribbean National Forest, 

U.S. For. Serv., Rfo Piedras, P.R. 51 p. [Unpublished]. 

1110. Upson, A. [Arthur] T. 

1946. Forests and land tenure in Puerto Iiico. - In Caribbean 

C&ssion, Caribbean Iand Tenure Sppsim. p. 233-237. 

Waskington, D . C . 

1111, Upson, Arthur [T.] . 1946. Investigaciones de silvicultura rural en Cambalache. 

El Mmdo [San Juan, P.R.], . 31, 1946. p. 10. 

Rural silviculture research in Canbalache. 
1112. Vpson, Arthur [T.]. 

and other events having a bearing 

improvenwt , and of 

the Caribbean P4ati 

Forest Atlas, Inst. Trop. For., U.S. For. 

This atlas was prepared by ITF for its own use, is kept 

includes relative notes on the P.R. Insular Forests. 

1113. Upson, 

nt in Tropica 

- f . Conserv . Renew. Nat . Resour. , Denver, Co U.S. Dep. State, Int. Org. & Conf. Ser. 2, 

Repubs. 4:582-588. 

1114. Urban, 1. 

1892-1897 Mditlmenta ad cocpitionwn florae Indiae pccdidentalis. 

Bot. Jahrh. 15: 286-36E pl. 9; 19 :562-681; 21 :514-638; 24 :lo-152. 

Descriptions of Puerto Ricm species in many families of plants. 

1115. Urban, I. 

1897. Diagnosen neue Arten. Hot. Bot. Girt. Berlin 1:319-328. 

Includes descriptions of 

ee new Brunfelsias of Ricoo 

1116. Urban I.! ed. 

1898-1928. antillanae : Fundamnta f lorae '~ndiae 

~cident 1; Fratres Borntraeger, Berlin. 

Contains my recorik and descriptions of plants of puerto *o a.nd the 

Virgin Islands . 

1117. Urban, I. 

1903-1911. Flora portoricensis. S@. Bot. 4:1-771. 

'Ibis is a catalogue of the Pteridophyta and Spemtophyta of Puerto 

~CO and includes detailed synonw and &strfiution, a bibliography, 

and chapters on plant geography on the history of botanical investigatio

1118. Urban, I. 

1924. Apuntes hist6ricos de las investigaciones bo-cas de la 

Isla. Rev. de Agr. de P.R. 12(2):97-107. 

Tkis includes descriptions and illustrations of s 

- 

puerto Rico, St. Thorns, and St. Croix. species from 

1120. Van der Schalie, H. 

1948. me land and freshwater mllusk~ of Purrto Rico. Urkv. of 

Mich. , &!us. Zool . Misc . lo No* 70* Arbor- 
1121. Van Zwalw-rg, R. H. 

1918. Report of the entomlogist. P.R. Agric. EXp. Stn., 1916, 

28 p. Waskington, D.C. 

1122. Vgzquez WcIa, Salvador. 

1963. Conservaci6n de 10s recursos renovables. Rev. de Agr. de 

P.R. 50 (2) :165-175. 

Conservation of the renewable resources. 

1123. V;izquez P&ez, Carlos J. 

I 1962. El manejo y ordenaci6n de las tierras forestales palicas 

de Puerto Rico. Rev. de Agr. de P.R. 49(1):94-102. 

Managmt of the public forest lands of Puerto Rico. 

1124. Velarde, J. A. 

1946. The land authority of Puerto Rico. In Caribbean Research 

Council, Caribbean Cm . , Caribbean ~and?i%nure Symp . Proc . Port of Spain, Trinidad, B.W.I. 

1125. VelSzquez, Imaro. 

1974. Study urges forestry development program. The San Juan 

Star [San Juan, P.R.] , Jan. 3, 1974. 

This article is about 500,000 acres in Puerto Rico which are devoted to 

forestry for cmrcial use. 

1126. Vglez, Manuel J., Jr, 

1973. The terrestrial arthropda (exclusive of insecta and 

crustacea) of Mona Island, Puerto Rico. In Pbna and Monito 

Islands: an assessment of their natural and historical resources. 

Vol. 2, app. I, p. 1-1 - 1-14. Junta de Calidad Ambiental [mv. 

Qual. Bd.], San Juan, P.R. 

1127. Venator, C. [Charles] R. 

1972. Effect of gibberellic acid on gemination of lm-vigor Honduras Pine seeds. For. Sci. 18(4):331. 

1128. Venator, C. [Charles] R. 

1973. An abnormal short primary needle form of Pinus caribaea var. 

hondurensis. In Tropical provenance and progeny research and 

international cooperation. Proceedings of a joint meeting of 

IWRO working parties 52.02.8 and S2.03.1, held in Nairobi, Kenya, 

Oct. 1973. J. Burley and D.G. Nikles, eds. p. 322-326. 

Oxford, Cmnwealth Forestry Intitute. 

1129. Venator, C. [Charles] R. 

1973. International provenance trials of Pinus caribaea and P. 

oocarpa in Puerto Rico. - In Tropical provenance and progeny 

research and international cooperation. ~roceedinqs of a joint 

meeting of IWTa) working parties S2 .02.8 and 52-03 1 1, held- in 

Nairobi, Kenya, &to 1973. J. Burley and D.G. Nikles, eds. 

p. 26-28; 95-96. Oxford, Comnwealth Forestry Institute. 
1130. Venator, C. [Charles] R. 

1973. The relationsivp hemeen seedling height and date of gerrnination in Pinus caribaea var. hondurensis. 'Nrialba 23(4):473-475. 

1131. Venator, C. [Charles] R. 

1974. oty1 length in Pinus caribaea seedlings: a quantitative 

genetic variation parmeter a Silvae mt. 23 (4) : 130-132. 

1132. Venator , C. [Charles] R. 

cone yield in Pinus caribaea var. 

rialba 24 (1) : 107-10 

1133. Venator, C. [Charles] R. 

1974. Vegetative regeneration of Pins oocarpa Sivede seedlings fran 

storage organs. (Abstr.) Third Hor. Am. For. Biol. Workshop, 

Ft. Collins, Co. Sept. 9-12, 1974. 

1134. Venator, Charles R. 

1975. Directory of manufacturers and distributors of containers 

suitable for growing forest tree seedlings. U.S. Dep. Agric. 

For. Serv., Res. Note ITF-15, 8 p. U.S. Dep. Agric. For. Serv., 

Inst. Trop. For., Xo Pidras, P.R. [Discontinued series]. 

1135. Venator, C. [Charles] R. 

1976. Hypcotyl color: evidence for plp.-torphism in Pinus caribaea

Turrialba 26 (3) : 265-267. 

1136. Venator, C. [Charles] R. 

1976. P mutant Pinus caribaea We hondurensis seedling incapable 

of developing normal secondary needles. 'Nrialba 26(1):98-99. 

1137. Venator, Charles R. 

1976. Natural selection for drought resistance in Pinus caribaea 

Wrelet. TurriaLba 26 (4) : 381-387. 

1138. Venator, C. [Charles] R. 

1977. Formation of root storage organs and sprouts in Pinus marpa 

seedlings. 'Nrialba 27 (1) : 41-45. 

1139. Venator, C. [Charles] R., C. D. Howes, and L. Telek. 

1974. Chlorophyll: carotenoid ratio as a parameter to predict 

plant adaptability. (Abstr.) Genetics No. 77 (Supp. 1):s 68. 

1140. Venator, C. [Charles] Ref C. D. Howes, and L. Tel&. 

1977. Chlorophyll and caratenoid contents of Pinus caribaea seedling

and inferences for adaptability. Twrialba 27(2):169-173. 

1141. Venator, C. [Charles] R., and F. ~ias Zanabria. 

1973. A problem of empty seed in Pinus caribaea in puerto Rico. 

Turrialba 23 (2) : 236-238. 

1142. Venator , C [Charles] R., and J. E. M~oz. 

1974. Containerized tree production in the tropics. in Proc. of 

the North Bnerican Containerizd Forest Tree Seedliz Symp , Great Plains Agric. Cow. Publ. No. 68, p. 334-335. 
1143. Venator, C. [Charles] R., J. E. ~oz, andN. F. de Barros 

1977. Root immersion in water; a pr sing for successful 

bare-root plmting of Mndmas pine. Turrialba 27(3):287-291. 

1144, Venator, C-[Charles] Re, md A, RmTguez. 

1977. Using styroblock containers to srow Pinus caribaea var. 

hondurensis &rr. & mlf. ery seedlings. 

Turrialba 27 (4) : 393-396. 

1145. Venator, C. [Chaules] R., and J. A. Zambarma, 

1975. =traction and ge seed. U.S. wp, ~gr-C, 

For. Sem. , &s, Note -A, 3 p. U.S. Wp, Agric. For, Sew., 

Inst. Trop. For., Ma s, p,R, [Discontinued series]. 

1146. Venator, Robert [Ckles R.1, and F. K. S. 

1970. Inherent and radiation-induced cytological abnormalities in 

Palicourea riparia Benth. - In A tropical rain forest: a study 

of irradiation and ec0l at El Verde, Howard T. 

Robert F. Pigeon, eds. Ch. 02, p. G 21 - G 38. U-, Oak 

Eiidge, Tn. 

Cytological studies were nude of Palicourea riparia Benth., a srnall tree 

dispersed within the g -radiation field of ~e rain forest at ~l 

Verde, Puerto Rico. Under natural conditions this species was found 

to have a relatively high frequency of cytological abnormalities. 

After three mnths of chronic gamma irradiation, there was a significant 

increase in meiotic &no lities, Wch decreased with a passage of &. 

1147. Virkki, Niilo. 

tion of gonads in the 

walkingsticks (Phasmtoptera) of the El Verde radiation center. 

- In A tropical rain forest: a study of irradiation and ecology 

at El Verde, Puerto Rico. Howard T. Odurn and Robert I?. Pigeon, 

eds. Ch. G-4, p. G 51 - G 62. USWC, Oak Kidge, 

Before irradiation, only one karyotype rearrangement was found and it 

was in an unknown species. After 3 months' irradiation, six specimens 

with autosanal centric fusion were encountered. Only whole-arm transpositions were found, and there were no heteromorphic bivalents, in 

contrast to earlier reports on walkingstick chranosornes. 

1148. Vivaldi, Santiago A. 

1945. Nuestros bsques y sus beneficios. Rev. de Agr. de P.R. 

36 (1) : 52-55. 

Puerto ~~CO'S forests md their knefits. 

1149. Vivaldi, Santiago A, 

1949. Problems de distribuciijn de material de vivero forestal entre 

10s agricultores. F. En Los cwsos de adiestramiento. 

Caribb. For. 10(4) 308-309. 

English version, Caribb. For. 10(4):308-309. 
1150. Vivaldi , Santiago A. 

1949. Problems of distribution of forest nursery stock to fanrers. 

- In A farm forestry training program. F. Caribb. For. 10(4):268-2

sh version, Caribb. For. 10(4):308-309. 

1151. Vivaldi, Santiago, A. 

1949. ~Qu6 clase de tierra se adapta a1 cultivo forestal? 1 C. 

El punto de vista del Servicio de ~xtensi6n Agrlcola. En Los 

cursos de adiestrdento. Caribb. For. 10(4):281-282. 

Ehglish version, Caribb. For. 243-244. 

1152. Vivaldi , Santiago A. 

1949. PJhat kind of land is adapted to trees? 1 C. Point of view 

of the Agricultural Extension Service. In A farm forestry 

training program. Car ibb . For. 10 (4) : 24F244. 

Spanish version, Caribb. For. 10(4):281-282. 

1153. Vivaldi, Santiago A. 

1953. Arboles en la finca. Caribb. For. 14(3/4):146-151. 

This is a paper presented at the Symp. &n. Sot. Agric. Sci., Nav. 14, 

1952, Rfo Piedras, P.R. 

1154. Vozzo, J. A. and Edward Hacskaylo. 

1971. Inoculation of Pin? carihaea with ~tomycorrhizal fungi 

in Puerto Rico. For. Sci. 17(2):239-245. 

1155. Wadsworth, Frank H. 

1943a. The evaluation of forest tree species in Puerto Rico, as 

affected by the local forest problem. Caribb. For. 4(2):54-58. 

1156. Wadsmrth, Frank H. 

194313. The forests of Puerto Rico, past, present, and proposed. 

Unpublished paper presented before Sci. Club of Polytech. Inst., 

1157. Wadswod, Frank H. 

1943c. The Las Cobanitas Campeche Plantation. Caribb. For. 

1158. Wadsworth, Frank H. 

1943d. Pomarrosa, Jambosa jartlbos (I,.) Millsp. and its place in 

Puerto Rim. Wibb. For. 4 (4) : 183-194. 

1159. rth, Frank H. 

1943e. Roble, a valuable forest tree in Puerto Rico. 

Caribb. For. 4(2) :59-76. 

1160. Wadsworth, Frank H. 

1944a. The deve t of a Marla plantation on a poor site. 

Caribb. For. 5 (4) : 207-212. 
1161, kiiddswom, Frank H. 

194433. The first year in the Carnbalache Experimental Forest. 

Caribb. For. 6 (1) :34-38. 

sh version, Caribb. For. 6(1):38-43. French s , Wibb. For. 

6 (1) : 43-44. 

1162. Wacismrth, 

1944~. nt policy of the hkan National Forest, as 

it effects mi- stqage rates. [mpblished memorandum] . 

1163. Wadsworth, Frank H. 

1944d. Prhr aniversario del Bosque Exprimental de Cambalache. 

Caribb. For. 6 (1) :38-43. 

English version, Caribb. For. 6(1):43-44. 

1164. Wadsworth, Frank H. 

1945a. El Bosque Experimental Cambalache, una ventaja para la 

carnunidad campesina. Rev. de Agr. de P.R. 36(2):139-140. 

The Experimental Cabalache Forest, an advantage for the rural cmty. 

1165. Wadsworth, Frank H. 

1945b. Computed and mechanical properties of Puerto Ricm woods. 

U.S. Dep. Agric. For. Serv., Inst. Trop. For., Rfo Piedras, P.R. 11 p. 

1166, P?adsworth, Fr 

1945~. La dasonda en la regi6n cafetelera de Puerto Rico. 

Caribb. For. 6 (2) :75-80. 

English version, Caribb. for. 6 (2) : 71-75. French sumnary , Caribb . For. 

6 (2) : 80-81. 

1167. Wadsworth, Frank EI, 

1945d. Forestry in the coffee region of Puerto Rico. 

Caribb. For. 6(2):71-75, 

Spanish version, Caribb. For. 6(2):75-80. French smry, Caribb. For. 

6 (2) : 80-81. 

1168. Wadworth, Frank H. 

1945e. Further notes on the regeneration and grcrcyth of Tabebuia 

pallida Miers . Caribb. For. 6 (4) :267-269. 

Spanish version, Caribb. For. 6(4):269-271. French sumnary, Caribb. For. 

6 (4) : 272. 

1169. Wadsworth, F'rank H. 

1945f. Notas adicionales sobre la regeneraci6n y crecimiento de 

Tabeuia pallida Miers. Caribb. For. 6(4):269-271. 

English version, Caribb. For. 6(4):267-269. French smry, Caribb. For. 

6 (4 ): 269-271. 
1170. Wadsworth , Frank H. 

1945g. Las ptencialidades das 

Caribb. For. 6 (4) :231-242. 

mglish version, Caribb. For. 6(4):219-231. French s 

6 (4) : 243-244. 

1171. Wadmrth, Frank H. 

1945h. The ptentialities of forestry on Mna Island. 

ibb. For. 6 (4) :219-231. 

Spanish version, Caribb. For. 6(4):231-242. French s , Caribb. For

6 (4) :243-244. 

1172. Wadsworth, F H. 

1947a. dando el estudio de la silvicultura en la ica tropical y su aplicaci6n en Puerto Rico. Caribb. For. 8(4):257-267. - 

English version, Caribb. For. 8(4):245-256. French s , Caribb. For

8 (4) : 268. 

1173. Wadsworth, Frank H. 

1947b. An approach to silviculture in Tropical &rerica and its 

application in puerto Rico. Caribb. For. 8(4):245-256. 

Spanish version, Caribb. For. 8 (4) : 257-267. 

Ihrs paper considers the managrmrnt of these lands forforest production

1174. Wadmrth, Frank H. 

1947~. El crecimiento en 10s bosques higroflticos de la parmntafiosa inferior (bosque pluvial intemedlio 0 ~ubhygrophytia) 

de Puerto Rico. Caribb. For. 8(1):35-43. 

mglish version, Caribb For. 8(1):27-35. French sm, Caribb. For. 

8 (1) :43. I 

117 5. Wadswrth , Frank H. 

1947d. El desarrollo de Swietenia mahag& Jacq. en Santa Cruz. 

Caribb. For. 8(2):162-164. 

English version. Caribb. For. 8 (2) : 161-162. French s-. Caribb. For

1176. Wadsworth, F 

1947e. of Swiet&a Jacq. on St. Croix. 

Caribb. For. 8 (2) :161-162. 

sh version, Caribb. For. 8(2):162-164. French s , Caribb. For

1177. Wadsworth, Fr 

del bsque sobre clima y abasto de agua contribuye 

6s a la cantidad de agua s-rrhea gue c 

de vegetaci6n. Incentive para 

Sept. 7, 1947. p. 7. 

Effect of the forest over the and supply of water. Trees contri

bute mre to the quantity of s 

an water - Other 
1178. Wadsworth, Frank H. 

1947g. on the lower montane rain forest of Puerto Rico. 

Caribb. For. 8(1):27-35. 

sh version, 8 (1) : 35-43. 

"S micle is based on a paper presented before the ~ournal Club, 

myaguez, P.R., on Oct. 21, 1946. 

1947h. The second year in the Cambalache 

riwntal Forest 

Caribb. For. 8 (1) :65-70. 

Spanish version, Caribb. For. 8(1):70-76. French s , Caribb. For. 

8 (1) : 76-77. 

1180. k?adsworth, Frank H. 

English version, Caribb. For. 8(1):65-70. French summary, Caribb. For. 

8 (1) 76-77. 

1181. Wadsworth, Frank H. 

19471. El tercer aniversario del Bosque Experbntal Canhalache. 

Caribb. For. 8 (3) :207-212. 

English version, Caribb. For. 8(3):203-207. French s , Caribb. Fo

8(3) :212. 

1182. Wadsworth, Frank H. 

1947k. The third year in the Cambalache Bcprimental Forest. 

Caribb. For. 8 (3) :203-207. 

Spanish version, Caribb. For. 8(3):207-212. French smry, Caribb. Fo

8 (3) :212. 

1183. Wadsworth, Frank H. 

1948a. Cinco &os de investigaci6n forestal en la costa norte de 

Puerto Rico. Caribb. For. 9(4):376-380. 

English version, Caribb. For. 9(4):373-376. French swry, Caribb. Fo

9 (4) : 380. 

las mont-as de &quillo y 10 que significa para 

o Rico. Caribb. For. 9 (4) : 336-344. 

Ehglish version, Caribb. For. 9(4):321-335. French s , Caribb. For

9 (4) : 344. 

1185. Wadsworth, Frank H. 

1948c. The cllmatc of the Iuquillo Momtdlrs and its significance 

to the people of Puerto Rico. Caribb. For. 9(4):321-335. 

Spanish version, Caribb. For. 9(4):336-344. French slmniuy, Caribb. For

9 (4) : 344. 
1186. Wadmrth, Frank H. 

19486. Five years of forest research on the north coast of Puerto 

Rico. Caribb. For. 9(4):3?3-376. 

sh version, Caribb. For. 9 (4) : 376-380. Frmh s , Caribb. For. 

9 (4) :380 

1187. Madsworth, Frank H, 

1948e. Fueron jos cientlf icos (El clima de las 

mnd;Gas de 110 y su significado para el pueblo de P.R.). 

El Mundo[San Juan, P.R,], Oct. 2, 1948. p. 7. 

Prizes for the scientific works (The clirmte of the mountains of Luquillo 

and their meaning for Puerto Rico). 

1188. Wsworth, Frank H. 

1948f. The influence of forest upon climate and water behavior. 

Caribb. For. 8 (4) : 289-293. t 

Spanish version, Caribb. For. 8 (4) : 294-298. French sv , Caribb. For. 

8 (4) ~299. 

1189, Wadsworth, Frank H. 

19489. La influencia climatol6gica e hidrol6gica de 10s bosques. 

Caribb. For. 8 (4) :294-298. 

English version, Caribb. For. 8(4):289-293. French sun , Caribb, For. 

8 (4) :299. 

1190. Wadsworth, Frank H. 

1949a. Angel Monserrate's forest. Caribb. For. 10(1):1-7. 

Spanish version, Caribb. For. 10(1):7-10. French smary, Caribb. For. 

lO(1) :lo. 

1191. Wadsworth, Frank H. 

1949b. El bosque de Angel Monserrate. Caribb. For. 10(1):7-10. 

mglish version, Caribb. For. 10(1):1-7. French sv, Caribb. For. 

10 (1) :lo. 

1192. 'idadsworth, Frank H. 

1949~. cC6m deben ordenarse 10s ubolados en las fincas? 4. 5 

Los cursos de adiestramiento. Caribb. For. 10(4):292-298. 

English version, Caribb. For. 10(4):253-258. 

1193. Wadswo*, Frank H. 

1949d. <Cudles ser* las ganancias a derivarse de la ciencia 

forestal aplicada a la finca? 5. - En ms cursos de adiestramiento. 

Caribb. For. 10 (4) :298-306. 

English version, Caribb. For. 10(4):259-266. 
1194. Wadsworth, Frank H. 

1949e. The developnt of the forest land resources of the Luquillo 

Mountains, Puerto Rico. Ph.D. thesis. Univ. of Mich., Ann 

Arbor,Flich. 481p. 

1195. Wadmrth, k7rank H. 

1949f. How should farm forests be managed? In A farm forestry 

training program. Caribb. For. 10 (4) : 253-z9. 

Spanish version, Caribb. For. 10 (4) : 292-298. 

1196. VJadsworth, Frank H. 

1949g. iW6 clase de tierra se adapta a1 cultivo forestal? 1 b. 

Punto de vista de 10s Servicios Forestales. - Zn IDS cursos de 

adiestramiento. Caribb. For. 10(4):281-282. 

~nglish version, Caribb. For. 10(4):243-244. 

1197. Wadsworth, Frank H. 

1949h. Smne indicators of the influence of forest upon stream 

flow in merto Rico. [Unpublished]. U.S. Dep. Agric. Forest 

Service, Eo Piedras, Puerto Rico. 14 p. 

1198. Wadsworth, Frank H. 

1949i. What kind of land is adapted to trees? 1 b. Point of 

view of the Forest Service. - In A farm forestry training program. 

Caribb. For. 10(4):243-244. 

Spanish version, 10 (4) : 281-282. 

1199. Wadsworth, Frank H. 

1949-j. What will be the returns from farm forestry? 5. In A 

farm forestry training program. Caribb. For. 10 (4) : 259366. 

Spanish version, Caribb. For. 10(4):298-306 

1200. Wadsworth, Frank H. 

1950a. Notas sobre 10s bosques cl~ticos de Puerto Rico y su 

destrucciijn y conservaciijn con anterioridad a1 1900. 

Caribb. For. 11 (1) :47-56. 

English version, Caribb. For. 11(1):38-47. 

1201. Wadsworth, Frank H. 

1950b. Notes on the climax forests of Puerto Rico and their 

destruction and conservation prior to 1900. 

Caribb. For. 11 (1) :38-47. 

Spanish version, Caribb. For. 11(1):47-56. 

1202. Wadsworth, Frank H. 

1951a. ~CEano puede ayudar el t6cnico forestal a1 cafetalero? 

Rev. del af6 6(11):11-15. 

How the forestry technician can help the coffee planter. 
1203. Wadsworth, Frank H. 

1951b. El cultivo forestal corn una prsctica de conservaci6n de 

suelos en Puerto Rico. Rev. de Agr. de P.R. 42(1/2):127-132. 

The forestry culture as a practice for the soil conservation in 

Puerto Rico. 

1204. Wadworth, Frank II. 

1951~. Forest managerrent in the Luquillo Mountains. I. The setting. 

Caribb. For. 12 (3) :93-114. 

Spanish version, Caribb. For. 12 (3) : 115-132. 

1205. Wadsmrth, Frank H. 

1951d. Ordmaci6n forestal en las mn 

Caribb. For. 12 (3) : 115-132. 

English version, Caribb. For. 12(3):93-114. 

1206. Wadmrth, Frank H. 

1952a. Forest management in the Luquillo Mountains. 11. Ph.nning 

for multiple land use. Caribb. For. 13(2):49-61. 

Spanish version, Caribb. For. 13(2):62-74. 

1207. Wadisworth, Frank H. 

1952b. Forest management in the Luquillo Mountains. 111. Selection 

of products and silvicultural policies. Caribb. For. 13(3):93-119. 

Spanish version, Caribb. For. 13(3):120-142. 

1208. Wadsworth, Frank H. 

1952c. Ordenaci6n forestal en las mntaiias de Luquillo. 11. Planeando el uso mGltiple del terreno. Caribb. For. 13(2):62-74. 

English version, Caribb. For. 13(2):49-61. 

1209. Wadsworth, Frank H. 

1952d. Ordenacidn forestal en las mntaiias de Luquillo. 111. 

Slecci6n de productos y nonnas selviculturales. 

Caribb. For. 13 (3) : 120-142. 

English version, Caribb. For. 13(3):93-119. 

1210. Wadswrth, Frank He 

1953a. New observations of tree gr& in Tabonuco Forest. 

Caribb. For. 14 (314) : 106-111. 

1211. Wadsmrth, Frank H. 

1953b. Our efforts to conserve trees. Caribb. For. 14(3/4):140-145. 

This paper was presented at the Symp. Am. Soc. Agric. Nov. 14, 1952, 

R-fo Piedras, P.R. 
1212. Wadsworth, Frank H. 

1954. The Dacryodes-Sloanea association of the West Indies. - In 

Proc. 4th. World For. Cong., Debra Dun, India. p. 119-29. 

1958. Status of forestry and forest research in Puerto Rico and the 

Virgin Islands. Caribb. For. 19(1):1-24. 

1214. CLJadsmrth, Frank H. 

1959a. Effects of the 1956 hwrricane on forests in Puerto Kico. 

Caribb. For. 20 (3/4) : 38-51. 

1215. Wadworth, F . 1959b. and regeneration of white 

Caribb. For. 20 (314) 59-71. 

1216. Wadswrth, Frank H. 

1959c. Suggestions for a forestry program for the Comnwealth of 

Puerto Rico. U.S. Dep. Agric. For. Serv., Inst. Trop. For., 

REo Piedras, P.R. 29 p. 

1217. Wadsworth, Frank H. 

1960. The regeneration of tropical forests by planting. Caribb. 

For. 21 (3/4) : 82-89. 

1218. Fladsworth, Fr 

1962. Los bosques de Puerto Rico. Rev. de Agr. de P.R. 49(1):78-86. 

The forests of Puerto fico. 

1219. Wadsworth, Frank H. 

1965a. Tropical forest regeneration practices. Duke Univ. For. 

Symp. Proc., pew Haven, Conn., Bull. 19, p. 1-29. 

1220. Wadsworth, Frank H. 

1965b. Tropical forest regeneration practices. [Mi~neo]. U.S. Ep. 

Agric. For. Serv., Inst. 'Prop. For., Rfo ~iedras, P.R. 25 p. 

1221. Wadmrth, Frank H. 

1966a. Forest resources of the tropical world. Sixth World For. 

Cong., Padrid. 15 p. 

1222. Wadsworth, Frank H. 

1966b. Problemas dasonEmicos en 10s tr6picos h 

- Reporte de revisi6n international sobre p 

agricultura en. 10s tr6picos htkt~dos de rica -tina. 4 p. 

Lima, Peril. 

The forest probl 

revision report. 

1223. WBdswrth, Frank H. 

1967. A design for plmed use of our rural land resources. In 

Ponencias y comentarios, conferencia sobre la conservaci6n 

recursos naturales. p. 55-75. Inst. of Urban Law, Univ. of 

Puerto Rice, Rfo Piedras, P.R. 

1231, Wadswora, Frmk W. 

1969~. Uso pl ficado recursos de 10s terrenos rurales. El 

[Sm Juan, P.R.], May 24, 1969. p. 3-A; lW. 21, 1969. p. 8-A. 

we of the rural lands. 

ficado recurs= nueswos terrenos males. El 

[San Juan, P.R.], June 28, 1969. p. 8-A. 

used of our rural lands. 

1233. Wadworth, Frank H. 

1970. Review of past research in the Luquillo Mountains of Puerto 

Rico. In A tropical rain forest: a study of irradiation and 

ecology~t El Verde, Puerto Rico. Howard T. Odum and Robert F. 

Pigeon, &is. Ch.B-2, p. B 33 - B 46. US=, Oak Ridge, Tn. 

Ths chapter reviews the major biologic and geographic investigations 

that have ken made in the Luquillo Mountains of Puerto Rico. The 

results of the most extensive and continuous investigations, especially 

those in forestry, are surmarized in sm detail. 

1234. Wadsworth, Frank He 

1971a. Environmental criteria for develo nt planning--agriculture 

and land use. Caribb. Consem. Ass. Env . Newsletter 2 (3) :7-17. 

1235, Waaworth, Fr 

potential and its devel t in Central America. 

Cent. An. Workshop on Wv. and the Env. Cent. kn. Res. Inst. for 

Ind. (IWTI) andhiat. Acad. Sci. (NAS). Doe. IV-4. 21 p, 

1236. Wadsworth, Frank H, 

1971~. Import substitution: forestry. Industrial Puerto Rico 

8 (4) : 22-25, 54-55. 

1237. Wadsworth, Frank H. 

1971d. La prspectiva de 10s bosques en el aiiiente Puertorriqueiio. 

Simposio sobre el control de la calidad ambiental, Servicio de 

ESctensi6n Agrfcola, Unrbv. de P.R. Rev. de1 Cafe 26(8):39-40 y 

26 (10) : 40-42. 

icle on how Puerto ltiican forests af fect &the islands ' s 

mviroment. 

1238, Wadsmrth, Frank W. 

19723, El estado de las investigaciones dason~cas en ~atinodrica. 

Congreso Fores Wdial, Buenos &ires, 

1972. Pap. 7 /C:I/IZG. 

Status of forestry research in Latin America. 

1239. Wadsworth, Frank H. 

1972b. An evaluation of the mangroves west of Jobos Bay, Puerto 

Rico. (The natural History Society of Puerto Rico). In Aguirre 

Power Complex Ehv. Rep., P.R. Water Resour. Auth., sect, 12, 

App. G, p. 165-185, P,R. Nater Resour., San Juan, P.R. 
1240. Wadsworth, 

1972~. of muntain habitat on a ely populated 

tro . In Second World Cmf. on ?gat. Parks. 

Ye1 Gr;d Teton Nat. Parks. Background paper for 

Session 7 (324). 8 p. 

1241. Wadsmrth, Fr 

1972d. Status of forestry research in Latin rica- In seventh 

Wrld For. Cong., Buenos Aires. 4-8 Oct., 1972. Pap. CEI~/C:I/~G. 

1242. rth, Frank H. 

1973a. The historical res of Mona Island. In Ma and 

Mr>Nto Islands: an ass t of their natural=d historical 

resources. Vol.2, app. N, p. N-1 - N-37. Junta de Calidad 

Arclbiental [Ehv. Qual. M.], San Juan, P.R. 

1243. Wadmrth, Frank H. 

197333. El manejo de las reservas forestales chilenas de Malleco 

y Malalcahuello. 39 p. Food and Agric. Org. of the U.N., FQm. 

1244. Wadsmrth, Frank H. 

1974. Mejoramiento de las bases t&nicas para la silvicultura en 

Chile. 45 p. Food and Agric. Org. of the U.N., ~~. 

1245. Wadsworth, Frank H. 

1975. Natural forests in the d~el of the humid AnErican 

tropics. In Use of ecological guidelines for development in the 

American hzd tropics, proceedings of international meeting 

held at Caracas, Venezuela, 20-22 Feb., 1974. International 

Union for Gonservation of Nature and Natural &sources, IUGN 

Publications New Series No. 31, Paper No. 8 of Sess. 111, p. 

129-139. 

1246. Wadsworth, Frank H. 

1976a. A forestry program for the Institute Superior de Agrimltura, Santiago de 10s Caballeros, Mnican Republic. Report 

on Consultancy, March 14-18, 1976, through the U.S. Agency 

for Int. Dev., Dm. Rep. 

1247. Wadsmrth, Frank H. 

1976b. Public forestry research in Latin America. 12th. Sess. of 

the Food and Agric. Org. of the U.N. Latin Am. For. Cm., 

3rd. Sess . of the Cm. on For. &s . , Havana, Cuba. 11 p. 

1248. Wadsworth, Frank H. 

1977a. Qxboles extranjeros superiores a boricuas? El Mumdo 

[San Juan, P.R.], Sept, 18, 1977. p. 10-A. 

Are exotic trees better than Puerto &can trees? 

1249. Wadsworth, Frank Ii. 

1977b. Autosuficiencia de rnadera: otra oportunidad para P.R. 

El Wndo [San Juan, P.R.], Sept. 25, 1977. p. 8-A. 

Selfsufficiency of : another opportunity for EUerto Rico. 
1250. Wadsmrth, Frank H. 

1977~. La reforestaci6n de la Isla. tEstd tednada? El 

[San Juan, P.R.], Sept. 11, 1977. p, 12-24, 

The reforestation of the island of EXierto ace, 

1251. Wadmr~, Fr H., and 3. A. E3annet. 

as a factor in the mcurrence of two s of mntane 

forest in Puerto hco. Caribb. For. 12(2):67-70. 

sh version, Caribb, For. 12 (2): 70-74. 

1252, Wadsworth, Frank H., and J, A. Bonnet. 

1951b. El suelo cm un factor para la existencia de dos tips de 

bosyue mntano en Puerto Rico. Caribb. For. 12(2):70-74. 

English version, Garibb. For. 12(2):67-70. 

1253. Wadmrth, Frank H., and mrge H. Englerth. 

1959. Effects of the 1956 hurricane on forests in Puerto fico. 

Caribb. For. 20 (1/2) : 38-51 . 

1254. Wadsworth, Frank H,, B. J. Huckenpahler, and Carl F. Ehelebe. 

1955. Informe sobre el curso corto de dasonda tropical celebrado 

en Puerto Rico. Caribb. For. 16(1/2):24-35, 

English version, Caribb. For. 16(1/2):12-23. 

1255. Wadsworth, Frank H,, B. J. Huckenpahler, and Carl F. Ehelebe. 

1955. A report on the tropical forestsy short course held in 

Puerto Rico. Caribb. For. 16(1/2):12-23. 

Spanish version, Carwb. For. 16(1/2):24-35. 

1256. Wadwrth, Frank H., and Jos6 Marrero. 

1953a. Experiencias de la Companhia Paulista con Ehcalipto. Su 

importancia para Puerto Rico. Caribb. For. 14(1/2):79-91, 

English version, Caribb. For. 14(1/2):65-78. 

Ccrmpanhia Paulista's (Brazil) experiences with Eucalyptus and its 

importance for Puerto Rico. 

1257. Wadswor~, Frank H. and JOS~ Marrero. 

1953b. The significance to Puerto Rico of Ccrmpanhia Paulista 

rience with Eucalyptus, Caribb. For. 14(1/2):65-78. 

Spanish version, Caribb. For. 14(1/2):79-91. 

This is a review of the work of the Compankia Paulista in Brazil. It 

discusses experiences to date with Eucalyptus in Puerto Rico and makes 

saw recomdations for future work. 
1259, Lqadsmrth, H., 

1949. ation in the Tbro Negro Forest, 

Carib. For, 10 (1) :59-68, 

sh version, Caribb. For. 10(1):69-79. French s , Caribb. For. 

10 (1) : "7-886. 

1260. Wadsworth, F'r 

1949. Pr leo en el Boscpe de Toro 

Negro. Caribb. For. 10(1):69-79. 

English version, 

10 (1) : 79-80 .. 

1261. WBdswo~, Robert K. [Kenneth]. 

1970. Point-quma s ling of forest --site relations at El 

Ve rain forest: a study of irradiation and 

ec at El Verde, Puerto Rico. Howard Robert I". 

Pigeon, 4s. Ch. B-8, p. B 97 - B 104. dge, 'I'n. 

The effects of elevation and terrain steepness on species distribution 

were studied to test a theory that these factors control the distribution of two forest o md Colorado) which interfinger 

at this altitude. The pint-qarter technique proved promising as a 

measure of species groups that represent mre than half of the forest. 

I 

1262. Wadsworth, Robert Kmeth. 

1977. A study of di ter fistrh.t;ions of an uneven aged tropical forest by means of a transition matrix model. Ph.D. Thesis. 

Univ. of Waskington, Seattle. 162 p. 

1263. Wagner, Richard J., tiss Be Wagner, %ch3%rd 24. l3.3ward. 

1969. The ecology of an Elfin Forest in Puerto Rico. 9. Chemical 

studies of colored leaves. J. Amold Arbar. 50(4):556-565. 

s. Vol. 1 Eastern States plus Puerto 

an&, Nat, Oceanic and Atnos. . I 

h elongation and the radiation fiel tropical 

rain forest: a study of irra&atjon and eco 1 Verde, 

apfd T. Odun and Robert F. Pigeon, eds . QI. D-16, p. D 287 - D 294. USAEC, Oak Ridge, Tn. 

Five thousand 1 tips of ground-story plants were tagged and 

masued in bth mdriation and South Control Cente the El 

Verde forest after irradiation. The dosage at wkich g in the 

ald that in the Control Center was taken as a 

measure of species sensitivity. 
1266. Watson, Robert. 

1970. Distribution of epiphytic algae on palm fronds. In A tropical rain forest: a study of irradiation and ecology 5 El Verde, 

Puerto Rico. Howard T. Odum and Robert F. Pigeon, 4s. 

Ch. D-13, p. D 233 - D 236. , O& Ridge, Tn. 

Epiphytic algae on the fronds of the palm globosa were stu6ied 

in the Puerto Rican Nuclear Center rain forest program at El Verde, 

Puerto Rico. Considerable variation in epiphytic algae in the two 

areas obsmd was attuibuted to the indirect radiation effect of a 

sunny microenvirommt rather than to the direct effect of radiation. 

1267. Weaver, P. [Peter] L. 

1963. Variation of water balance factors as affected by topography 

in the Lu@Uo n Forest. [Unpublished course report]. 

U.S. For. Sem, Inst. Trop. For., Rfo ~iedras, P,R. 

1268. Weaver, P. [Peter] L. 

1972. Cloud moistwe interception in the Luquillo Mountains of 

Puerto Rico, Caribb, J. Sci. 12(3/4):129-144. 

1269. Weaver, P. [Peter] L. 

1975. Transpiration rates in the elfin forest of the Luquillo 

Mountains of Puerto Rico. Caribb. J. Sci. 15(1/2):21-30. 

1270, Weaver, Peter L. 

1972. The dwarf forest of Pico del Este and the Luyuillo Mountains. 

Revista Interamericana Review 2 (2) : 174-186. 

1271. Weaver, Peter L. 

1974. Unit plan for the management of Pihones State Forest. 

For. Task Force, Ikp. Nat. Resour., San Juan, P.R. 76 p. 

1272. Weaver, Peter L. 

1976. Ecological aspects and value of dwarf forest vegetation to 

Puerto Rico. FAO, Rome. 

Voluntary paper submitted to the Technical Conference on Tropical Moist 

Forests, originally due to be held September 22 - October 3, 1975, and 

eventually cancelled. FAO, Rnre. [Unpublished; repro. may be obtained 

from FAO Lib. and DOC. Div., att. DIS/Library]. 

1273. Weaver, P. [Peter] L., M. [Michael] D. Byer, and D. Bruck. 

1973. Transpiration rates in the Luquillo Mountains of Puerto Rico. 

Biotropica 5 (2) :123-133. 

1274. Weaver, Peter L., and Luis 0, hves, 

raent in a subtropical mist forest 

s (L) Mston. Turrialba 28 (3) : 253-256. 

1275. Weaver, Peter L., Luis 0. Nieves, and 

1976. Roosevelt Roads. Survey of Mangrove forest and the Rfo 

Daguao Watershed. Ekosys IvIpt., Inst. mop. For., U.S. Wp. 

Agric. For, Serv., ao Pi s, p,~, 34 p. plus illus. 

A report contracted by and subutted to the U.S. Navy. 
1276- tqeinhren, M. P., and B, M, Weinbren. 

1970. A study of natural virus cycles before, during, and after 

irradia~on. In A tropical rain forest: a study of irradiation 

and ecology at21 Verde, Puerto I&.co. Howard T. Odm and Robert 

F. Pigeon, eds. Ch. F-9, p. F 57 - F 65. U Oak fidget 'I'n 

In study of tTfmses made in 1.0 

preceding ar,d follming g 

Coxsac~e vims was found in r 

irradiatione 

127'7. Weinbuen, izll PI, and Be M. NeiMbrm. 

1970. Observations on the mosquito population in the irradiated 

forest at El Verde. - In A tropical rain forest: a study of 

irra&a+;on and ecol at El Verde, Puerto fico. Hmard To Odum 

and Robert F. Pigeon, eds. Ch. E-12, p. E 159 - E 167. 

USAEC, Oak Ridge, 'i"n. 

A study was made of the rmsquito population in the tropical rain forest 

at El Verde before and after radiation source. Canparison of the records 

to recovery indicates that the mos+ito populations were 

initially depressed to a similar extent by both radiation and cutting, but 

the rate at which the different species could be recoverea differed 

markedly frm one area to mother. 

1278. 'iiieidren, 14, P,, B, M, Weiribren, We B, Jackson, arad others. 

1970: ~tudies on the roof rat (Rattus rattus) in the El Verde 

Forest. Jn A tropical rain forest: a study of irradiation and 

at~l ~erde, mierto Pica. Howard T. Odum and Robert F. 

Pigeon, eds. Ch. E-13, p. E 169 - E 181. USAEC, Oak Ridge, Tn. 

Population field studies of the black roof rat were made in the Radiation 

md South Control Centers at El Verde, both before and after radiation 

of the areas. More rats were caught in areas in which there 

activity . 

1279. \.l;iellwood, R, We 

1946. The physical~echanical properties of certain West Indian 

tkhrs, -1 Caribb. For. 7 (2) :151-173; 7 (3) : 191-228. 

sh version, Caribb. For. 7 (2) : 174-189; 7 (3) : 229-251. 

1280, We1 , Re W. . Las prapidades fxsico-yu cas de ciatas maderas de las 

In&* Occidentales. - Carbb. For. 7 (2) : 174-189; 7 (3) : 229-251. 

English version, Caribb. For. 7(2):151-173; 7(3):191-228. 

1916, Birds of Pmto Kico, U.S, Dep. Agric. Bull, 326, U.S. 

Print, Off,, WasGngton, D.C. 

1927. Birds of Porto Rico ancl the Virgin Islands. In Scieatific 

y of Porto Rico and the Virgin Islands 9 (3/4r245-571. 

N.U. Acad, Sci., New York, 
1283. hhite, David G. 

1948. culture and utilization in Puerto iiico. U.S. Dep. 

Agric. Clrc. 29. U.S. Uep. Agric., Federal Agric. . Sm,, 

Prayaqez , P . R , 

1284. te, &wid G., YkltOn 6@ibin, md Pedro S 

1946. Wlacibn ent 

su durabilidad. ibb, For, 7 (3): 

English version, Caribb. For. 7(3):253-267. French s 

7 (3) :273. 

1285, te , David G . , Milton Cobin, and 

1946. The relation kttv'e~n CUT 

Caribb. For. 7 (3) : 253-267, 

Spanish version, Caribb. For. 7(3):267-272. French s , Caribb For. 

7 (3) :273, 

1286, te, H. H. 

1963. Variation in staid s ture correlated gqia in 

the LugUillo Iviountains . Caribb. For. 24 (1) : 46-52. 

1287. FJkitmore, Jacob L. 

1971. Cedrela provenance trial in Puerto Rico and St. Croix. 

Nursery phase asses rialha 21 (3) : 343-349. 

1288. Mhibmre, Jacob L. 

1972. Pinus rrerkusii, unsuitable for plantations in Puerto Rico. 

?Purr= 22 (3) : 351-353. 

regarding and its host plants. In Proc. 

rst Symp. on Integrated Control of 

Institute Interamericano de Ciencias Agrfcolas--Ce?tro Tropical 

de jihsefianza e Investigaci6n (IICA-CmI), Wriaba, Costa Rica. 

1290. bhibmre, Jacob L. 

1973. International provenance trials of: 

P. inerkusii also) ; P. inerkusii; Cedrela; and - 

Rice. In Prw. of ?he IWRO Joint Meet. on Trop. Provenance and 

~rogen~~s. and Int . Coop. , Nairobi. J. Burley Jnd D. Nikles , eds. Cam~nonw. For. Iilst., Oxford, England. 

1291. Ct"%liIrrna,re, Jacob L. 

1973. density variation in Costa A%cii;n balsa. Sei . 5 (3) : 223-229. 

1974; Cedrela provenance trial in Puerto Rico and St. Croix: ee 

years after outplating. Presented at I Congreso Brasilero de 

Florestas Tropicais, Vicosa. 

1293. re, Jacob L. 

77. Classification of ecosys 

- In Forests for PO a challenge in world affairs. Pr-., 

Soc. F,m, For. 1977 . Meet. Albuquerque, X.M. p. 299-303. 
1294. re, Jacob L, 

1978, Bibliography on Bl, U.S. Dep. Agric. 

For. Sen. Res. Note ITF-17, 17 p. U.S. Dep. Agric. For. Serv., 

mst. mop. For., Mo Piedras, P.R. [Discontinued series]. 

s bibliography is presented as an aid and s s to future research 

F&ferences ed in For. Abstr. 

are scs noted for eas tion (i.e., FA 

16-3370 indicates For, Abstr., Vol, 16, Pbstr. 3370). 

1295, re, Jacob 21. 

rovenance tviaf in Puerto Rico and St. Croix: 

phase. U.S. Dep. Agric. For. Sew. Res. Note 

U.S. Dep. Agric. For. Serv., Inst. Trop. For., 

. R. [Discontinued series] . 

ee years after outplanting, a provenance trial of Spanish cedar was 

evaluated. Of five sites considered, none proved appropriate for 

plantations of s species. The relative wrtance of the two main 

of Spanish cedar plantation establishment, site sensitivity 

and borer attack is discussed. 

re, J. [Jacob] I,. 

1978. Forestry potential. In Vieques-1972 Survey of the natural 

resources. Comonw . of srto Rico . Off. of tile Governor. 

mviron. wale Bd, Ch. 8, p. 1-7. 

1297. tmore, Jacob L,, and T. F, & 

1971. Pinus rnerkusii provenance trial in Puerto Rico. - In Selection 

and breeding to improve sore tropical conifers. Sw., Int. 

Union of For. Res. Orgs.(IUFRO) Work. Grp. on Breed. Trop. and 

Subtrop. Species, Gainesville, Fla., 1971. 

1298, re, Jacob L., and G. S. Har 

69, Literature review of c tropical trees. Contrib. 8, 

Trop. For. Ser., Inst. For. Prod., Coll. For. Resour., U. of 

Wash,, Seattle, 113 p. 

1299. re t L., and Gilkrto Hinojosa. 

77 * gany (3ietenia)hybrids. U.S. Dep. Agric. For. Serv., 

Res. Pap. ITF-23, 8 p. U.S. Dep. Agric. For. Serv., Inst. mop. 

For. , Rfo Piedras , P. R. [Discontinued series] . 

This study concludes that Swietenia macrophylla 

as S, a~revillema St&kS & asin ;uzd is a hyb 

adaFtability trials. 

1380, re, J. [Jacob] L., aid F. Mclas. 

1975. Eucalyptus provenances tested in Puerto Rico: two years 

after outplating. For. Sci. 21(4):410-412. 

1301, re, Jacob L, , a;!d S I 1 

74. kMte pachscale n in Puerto Ric~. 

J. Agric. Univ. P.E. 58(2):276-278. 
1302, re, Jacob L., and A. OGroLa T, 

1976, fraxini folius Wight, espcie de rspiclo crecimiento inicial, buena foma y madera de usos mGltiples. 

folim Wight is a species of rapid grm~, 

S * 

1948. Dres, Green re dan conferencias. Discutieron recidn de fiitrb plantas; fecundaciiin artificial, El 

do [Sari Juan, P.R], May 31, 1948. p.12. 

Doctors Green and tL"nimore give conference relating to the reduction 

of nitrogen in plants; ificial fertilization. 

1304. Wiegert, Richard G. 

1970. Effects of ionizing radiation on leaf fall, dec 

and the litter microarthropds of a montane rain forest. In 

A tropical rain forest: a study of irradiation and ecologyat 

El Verde, Puerto Rico. Howard T. Odum ana Robert F. Pigeon, 

eds. Ch, H-4, pe H 89 - H 100. , o& Ridge, m, 

The effects of ionizing-radiation stress were analyzed with respect 

to three major components of the detritus-dec 

Puerto Pican mntane rain forest: the rate of f fall, the dec 

sition rate of leaf litter, and the density of soil-litter microarthropds. No inmediate effect of the radiation stress on the 

disappearance of litter from mesh bags was detected, and the radiation 

stress has no apparent effects on the microarthropod fauna of the soil 

and litter. 

1305. Wiegert , Richard G. 

1970. Energetics of the nest-building termite, Nasutitems 

costalis (Holmgren) , in a Paerto Rican forest. In A tropical 

rain forest: a study of irradiation and ecologyxt El Verde, 

Puerto Rico. Howard T. Odum and Rdxrt F. Pigeon, eds. Ch. 1-4, 

p. 157 - 164. , O& Ridge, Tn, 

Density, respiratory energy Loss, and seco reduction by nestbuilding termites were studied in a Puerto me rain forest. 

Several tentative conclusions were drawn: of termites per 

nest is related not to the wlm but to of the nest, 

worker and soldier te 

abut 5700 cal/y, but 

6700 to 6800 cal/g d 

weight in these 

of insect respiration. 

1306. Wiegert, Richard G., and Peter Murphy. 

1970. Effect of season, spcies, and location on the disappearance 

rate of leaf litter in a. mjerto &can rain forest, In 24 tropical 

rain forest: a study of irradiation and ecol at Verde, 

FUerto Rico. Howard T. O&&x and Robert F. Pigeon, eds. Ch. H-5, 

p. H 101 - H 104, USESC, O& Ridge, ?";1. 
A tw---year ' nt was designed to test for the si 

species, location, and seasonal differences in disappearance rates of 

rain forest tree leaf litter. A factorial analysis of variance shwd 

that disappearance rates differed significantly between trees (location), 

leaf species, and seasons, with a significant interaction &Wen leaf 

species and season. 

1307. Wiemdt, Thomas Alan, 

1973. Mona bians, reptiles, and Is. In fQna and LWnito 

~slands: an asses ad. hi&.orical resowces . Vol. 2, App. L, p. L-1 - L-13. Junta de Calidad 

Qual. Bd,], San Juan, P.R. 

1308. Wiewandt, Thms Alan. 

1977. Ecology, behavior, and rnana gromd 

iguana, Cyclura stejnegeri. P thesis. Cornell I 

Ithaca, N.Y. 338 p. 

1309. Williams, L. 

1967. Forests of Southeast Asia, Puerto Rico, and Texas. CR 12-67. 

U.S. Dep. Agric., Agric. Res. Serv., Washington, D.C. 410 p. 

1310. Willoughby, W. F. 

1904, Mineral industries in Porto Rico. U.S. Dep. Can. Bur. Census 

Bull. 6. \?askington, D,C. 

1311. Wilson, H, M. 

1899. Water resources of Porto Raco. U.S. Geol. Surv. Water 

Supply Pap. 32. Washington, D.C. 

1312. Wilson, Percy. 

1902. Report of a t r i p t o Porto ace. J. N.Y. Bot. Gard. 3:178-179. 

This is an account of botanical collecting, especially in the Sierra 

de Llkpillo. 

1313. Wilson, Percy. 

1917. The vegetation of Vieques Island. Bull. N.Y. Bot. 

8:379-410. 

A brief description of the island, record of collectors, and catalogue 

of species are included in this article. 

1314. Winters, H, F., and N, Ahmyda. 

1953. Ornmtal trees in Puerto Rico. Caribb. For. 14(3/4):97-105. 

This is an annotated list of species suitable for Puerto Rico, inclu&ng 

palms, barnboos, and evergreens. 

1315. Nisdom, Harold W. 

1963. Trends in wood and paper imports into Puerto Rico. (Prepared 

as a special report for the 1962 Syracuse Forestry S 

N.Y. State Univ., Coll. of For. at Syracuse, in cooperation with 

the U.S. For. Serv., Inst. Trop. For. Caribb. For. 24(2):80-86. 
1316. Wisdom, Harold W. 

1968. Public forestry inves nt criteria for merto Rice, Abstr. 

of thesis, in Dissert. Abstr. 1968.28B (10) , (3953) , (0,R.S.) 

This thesis describes a co ve_-i_opd to provide criteria 

choosing between inves md it &scusses the 

1's use in Puerto Rice g aitemati~~es inEo 

recreation, and watershd ma t and in private forestry inves 

incentives. 

1317. Witkarnp, Martin. 

1970. Aspcts of soil microflora in a g 

- In A tropical rain forest: a study o radi_ation ad ecol 

at El 'c7erde, Puerto Ria. Ek>ward T. Odw and Robert F - Pigeon, 

eds. Ch. F-5, p. F 29 - F 33. USAEC, Oak Ridge, Tn. 

Microbial densities and activity were maswed just before anci after 

3 mnths of irradiation and again 7 and 13 months after the period of 

irradiation. Comparisons of rock-shielded arid sed sites frm 3 

to 140 m £ran the radiation source showed no direct radiation effects 

on microflora. Seven mnths later breakdown rates and population 

densities were still higher in the defoliated, area than in the forest 

with leaves remaining, and naximurn activity was located in the highest 

accwulation of litter just around the source. 

1318. Witkarrrp, Martin. 

1970. Mineral retention by epiphyllic or sms. In A tropical 

rain forest: a study of irradiation and ecolcqjxt El Verde, 

Puerto Rico. Howard T. Cwum and Robert F. Pigeon, eds. 

Ch. H-14, p. H 177 - H 179. U , Oak edge, ?be 

kaf surfaces with epiphylls dipped in nuclide solutions retained from 

6 to 1726 ppm of the nuclide. It is argued that retention by epiphylls 

of minerals frm precipitation may be a significant process in the 

mineral cycle of rain forests. 

1319. Wolcott, Ckorge N. 

1923. Insectae Portorricmsis. J. Agric. Univ, of P,R. 7:311. 

1320. Wolcott, George N. 

1924. The comparative resistance of woods to the te 

terms brevis Walker. Bull. 33. P.R. Dep. Agric. and 

Insular Exp. Stn., Rlo Piedras, P.R, 15 p, 

1321. Wolcott, George N. 

1924. Ehtomlogfa econ&ca puertorriqeha. EsLEltin No. 32, 

Jkpto. de Agr. y Trabajo, Estaci6n rimatal Insular, Ko 

Piedras, P.R. 176 p. 

Puerto Rican econhc entmlogy. 

1322. Wolcott, George N. 

1936. Insectae Borinquensis. J. Agric, 

1323, Wolcott, George N. 

1940. The entomologist looks ativitrga. Carr&b, For, 1(2):29-30. 
1924. ~n-outbreak of the scale insect, Asterolecanium pustulans , Cockerell on Maga, Montezuma speciosissima. Caribb. For. 

2 (1) :6-7. 

1325, Wlcott, 

1941. The dispersion of the Cottony cushion scale in Puerto Rico 

in eight years. Caxibb. For. 2(3):132-135. 

1326. bfilcott, 

unpalatable to the West Indian dry-.wood 

brevis Walker. I . With inorganic ccmpunds . Caribb, For. 4 (4) :145-156, 

, Caribb. For, 4 (4) : 156-157. 

1327. Wolcott, 

1943. Lady-beetles don't behave. Caribb. For. 4(2):81-82. 

1328, WoLcott , 

1944. mw to make wood unpalatable to the West Indian dry-mod 

termite, Cryptotems brevis Walker. 11. With organic compounds. 

Garibb. For. 5(4):171-179. 

, Caribb. For, 5 (4) :179-180. 

1329, Wolcott, 

1945. Arboles para las carreteras de Puerto Rico. 

Caribb. For. 6 (3) : 120-128. 

English version, Caribb. For. 6(3):115-120. 

1330, Wolcott , George N . 

lograr que la madera no sea apetecible a1 termes de 

la mdera seca, Cryptotermes brevis Walker. 111. 

Gaxibb. For. 6 (4) : 256-266, 

English version, Caribb. For. 6(4):245-256. 

1331, Fjol~tt, eorge N. 

1945. How to make wood unpalatable to the West Indian dry-wood 

termite, Cryptoterxnes brevis Walker. 111. 

Caribb. For. 6 (4) :245-256. 

sb version, Caribb. For. 6(4):256-266, 

1332, Wolcott , 

1945, Trees for roadside planting in Puerto Rico. 

Garibb, For. 6 (3) :115-120. 

sh version, Caribb. For. 6(3):120-128. French sw, Caribb. For. 

6 (3) : 128-129, 

1333, Wlcott, 

1946, Factores en la resistencia natural de las maderas a1 ataque 

de 10s temes, Caribb. For. 7(2):139-149. 

mglish version, Caribb. For. 7(2):121-134. 
1334, Wolcott , 1946, Factors in the natural resistme of woods to termite attaclc. 

Caribb. For. 7 (2) :121-134. 

sh version, Caribb. For. 7(2):139-149. 

1335. InJOlcott, 

1946. A list of s arranged according to their resistance to the 

attack of the West Indian &y-wood termite, Cryptotems brevis 

Walker, Caribb. For. '7(4):329-334, 

This list is adapted from that given in "What to do about plilla" 

(WO1cottf G.N., 1946, Bull. 68, Agric. Ekp. Stn., Ifniv. of P.R. at 

Riio Piedras, P.R. 29 p.), which includes minor changes of position 

Spanish version, Caribb. For. 7(4):335-336. French smry, Caribb. 

For, '7 (4) : 336. 

1336. Wolcott, Gorge N. 

1946. Lista de las maderas de acuerdo con su resistencia a1 

ataque del temes de la madera seca, Cryptotems brevis Walker. 

Cauibb. For -7 (4) : 335-336. 

English version, Caribb. For. 7(4):329-334. French SUIT, Caribb. 

For. 7(4) :336. 

1337. Wolcott, George N. 

1947, The perfomce of termite repllents. J, Econ. Entoml. 

40 (1) : 124-129, 

1338. Wolcott, George N. 

1947. Termite repellents: a summary of laboratory tests. Univ. 

of P.R. Agric. E3c-p. Stn. Bull. 73, Mo Piedras, P.R. 18 p. 

1339. Wlcott, George N. 

1948. The insects of Puerto Rico. J. Agric. Univ. of P.R. 

32:975. 

1340. Wolcott, George N, 

1948. The resistance to dry-woud termite attack of some Central 

American woods. Caribb. For, 9(1):53-54. 

Spanish version, Caribb. For. 9(1):54-55. French s-, Caribb. For. 

9 (1) :56. 

1341. Wolcott, George N. 

1948. La resistencia de algunas maderas centro-mricanas a1 

atague del terns de la madera seca. Caribb. For. 9(1):54-55- 

English version, Caribb. For. 9(1):53-54. French s-, Caribb. For. 

9 (1) :56. 
1342. Wlcott, George N* 

1949. The compounds of copper most effective in 

to the attack of the West Indian dry-wood termite, 

brevis Walker. Caribb. For. 10(3):197-200. 

Spanish version, Caribb. For. 10(3):200-203. 

1343. Wolcott, George N. 

1949. Los canpuestos de cobre que logran mayor efectividad en 

infundirle resistencia a la rnadera contra la plilla, 

brevis Walker. Caribb. For. 10 (3) 3200-203, 

English version, Caribb. For. 10(3):197-200. 

1344. Wolcott, mrge N. 

1949. The mst effective termite repellents. J. Econ. Entomol. 

42 (2) : 273-275. 

1345. Wolcott, George N. 

1950, An index to the termite resistance of woods. Bull 85. 

Agric. Cxp. Stn., Univ. of P.R., xo Piedras. 26 p. 

1346. Wlcott, George N. 

1955, 'me insects of "Almendron" Prunus occidentalis 5 W. 

Caribb, For. 16 (3/4) 98. 

1347. Wolcott, George N., and Luis F. Martorell. 

1942. The accidental introduction of a beneficial insect 

(Chalcolepidius silved) into Puerto Rico. Caribb. For. 

3 (2) : 58-60. 

1348, Woodard, T. H., and S. G. ~eidel. 

1964. Inventory of published and unpublished chemical analyses 

of surface waters in the continental United States and Puerto 

Rico, 1961. U.S. Geol. Surv. Water Supply Pap. 1786. U.S. 

Gov. Print. Off,, Washington, D.C. 

1349. Woodbury, Roy 0. 

1973. The vegetation of Mona Island. In Mona and p/u3nito Islands: 

an assessment of their natural and Gtorical resources. 

Vol. 2, App. G, p. G1 - 62. Junta de Calidad Ambiental 

[Ehviron. (lual. Ed], San Juan, P.R. 

1350. Woodbury, Roy O., and Elbert L. Little, Jr. 

1976. Flora of Buck Island Reef National Monmnt (U.S. Virgin 

Islands). U.S. Dep. Agric. For. Serv., Res. Pap. ITF-19, 27 p. 

U.S. Dep. Agric. For. Serv., Inst. Trop. For., ao Piedras, P.R. 

[Discontinued series] . 

Buck Island, an uninhabited island about 1 mile long and less than half 

as wide, is located in the Caribbean Sea only 1 2/3 miles north of the 

eastern part of St. Croix and t 5 miles northeast of Ctlristiansted, 

U.S. Virgin Islands. It supports a rich and representative land flora 

of the seasonal or relatively dry forest, tropical zone, totaling 228 

listed species of seed plants but no ferns. 
1351. , Roy, Luis F. torell, ad Jose G, 

1977. The flora Of Mona and Monito Islands. I?uato Rico (West 

Indies). Bull. 252. Agric. Exp. Stn., Univ. of P.R., REo 

Piedras. 60p. 

1352. , Roy, Herbert Raffaele, Mitchelle Frm, and 

1975. -Rare and endangered plants of Puerto Rico. 

report. U.S. Dep. Agric., Soil Consem. Serv., and P.R. Dep. 

of Nat. Res., San Juan, P.R. 85 p. 

1353. Wright, George W., and H. C. Bryant. 

1935. Pxk possibilities in Puerto aeo, Rev. de Obras 

[Puerto Rico] 12 : 1017-1021. 

1354. Wydler, H. 

1830. Plantarurn quarundam descriptions. Limaea 5:423-425. 

This article includes a description of Goetzea, an endemic genus of 

Puerto Rico, 

1355. Zabrana, Jos6 A, 

1978. Asociaciones de suelos de Puerto Rico y su potencia1 para 

siembra de drboles. Depto. de Agric. de 10s E.U., Servicio 

Forestal, Boletin Forestal, Area del Caribe, Ho Piedras, P.R. 

1 p., table, and map. 

ana, Jos6 A,, and Thas H. Schubesrt. 

1977. Black olive or Gregre: an ornaxental and shade tree for 

confined areas and adverse conditions sh on reverse 

side, "War: drbol ornmntal y de s eas conf inadas 

y condiciones adversas.") U.S. Dep. Agric. For. Ser., Urban 

Bull., Caribb. Area., Rfo Piedras, P.R. 2 p. 

1357. Zon, Raphael, and William N. Sparhawk. 

1923. Porto Rico. In Forest resources of the world. Vol. 2, 

p. 651-657. ~~r~-Hill Book Co. Inc., New York. 
APPENDIX 

HIGHLIGHTS OF FORESTRY IN PUERTO RICO AND U.S. VIRGIN ISLANDS 

1510 "Eighth Lawf' of Spain, first 1920 Beginning of large-scale 

legal provision contemplating program of trial plantings 

tree planting on granted land with exotic and native tree 

in the " Indies". species. First tree nursery 

established. 

1770 Introduction of West Indies 

Mahogany to the Danish West 

Indies (now U. S. Virgin 

Islands) subsequently widely 

planted along roadsides and 

fencerows, 1928 

1824 First Puerto Rican forest 

conservation law. 

1930-32 

1839 Public forestry commission 

established in Puerto Rico by 

Spain, first comprehensive 

forest law. 1931 

1860 First Spanish public forestry 

appropriation for Puerto Rico. 

1931 

1898 Crown lands of Puerto Rico 

passed from Spain to the 

United States. 

1932 

1903 U. S . proclaimed Luquillo 

Forest Reserve. 

1933 

1907 The Luquillo Forest Reserve 

was changed to Luquillo 

National Forest. 

1916 First boundary survey of 

Luquillo Forest completed; 

area 12,443 acres. 

1917 First Supervisor of Luquillo 

Forest appointed. Insular 

Forest Service also created 1934 

within the Puerto Rico Department of Agriculture and Labor, 

placed under same supervisor. 

1917 Virgin Islands purchased from 

Denmark by the United States. 

Insular Forest Service began 

program of tree distribution 

to landowners 

Position of Extension Forester 

established in University of 

Puerto Rico Extension Service. 

U.S. Bureau of Efficiency 

reforestation program in 

Virgin Is lands. 

Public purchase of lands for 

forestry begun in Puerto Rico. 

Total area now 98,000 acres. 

First forest plantations 

(Mahogany) established within 

the Luquillo National Forest. 

First policy statement of the 

Luquillo National Forest. 

Emergency Conservation Program 

began, and with Civilian 

Conservation Corps (CCC) 

program that succeeded it in 

1937 accomplished extensive 

work in reforestation, forest 

road construction, and recreational and administrative 

improvements within both 

Federal and State Forests. 

Major reforestation program 

within public forests was 

begun. In the next twelve 

years, over 18,000 acres 

planted with 53 tree species, 

28 of which were native 

species. 

1918-19 P. R. Government reserved 1935 The Luquillo National Forest 

mangroves at San Juan, Ceiba, was renamed the Caribbean 

Aguirre, ~oquer6n, and the National Forest to accommodate 

upland forests of Maricao, the Toro Negro Purchase Unit 

Gubnica, and Mona and Monito in Central Puerto Rico where 

Islands, totalling nearly 1,500 acres were subsequently 

34,000 acres. purchasedby~.~.ForestService

169 
1935 ~hird Forest Service set up under 1952 First island-wide forest 

Puerto Rico Reconstruction Adrnin- inventory undertaken by Puerto 

istration of the U.S. Department Rico Forest Service. 

of the Interior but administered 

by the Forest Service of USDA; 1953 Virgin Islands Corporation 

established Carite, Rlo Abajo, forestry program begun. 147- 

Guajataca, Guilarte, and SusGa acre Estate Thomas ExperiForests, and expanded Toro Negro mental Forest reserved in 

Unit, purchasing 21,750 acres. St. Croix, 

1937 ~irst systematic timber inventory 1953 Puerto Rico Forest Service 

made of the Caribbean National separated from U.S. Forest 

Forest. Service. 

1939 Tropical Forest Experiment Station 1953 

(now Institute of Tropical 

Forestry) established in Puerto 

Rico. First 24 volumes of The 

Caribbean Forester published. 

Scientific testing of site adapt- 1956 

ability program begun, since has 

tested more than 100 native species 

and more than 350 introducted 

species. 

1940 Mona Island withdrawn from Insular 

Forest System. 

First of international 

tropical forkstry short 

courses held at the Institute 

of Tropical Forestry, 

Cooperative Forest#Management 

program begun by Federal and 

State governments to intensify technical forestry assistance to private landowners, 

wood processors, and forest 

products consumers. 

1943 Puerto Rico Reconstruction 

Administration Forest Service 

discontinued and its lands at 

Carite, Rlo Abajo, Guajataca, 

Guilarte and Susiia transferred to 

Puerto Rico Forest Service, and 

those at Toro Negro to the U.S. 

Forest Service. 

1946 All public forests, including the 

Caribbean National Forest, made 

insular wildlife refuges. 

1949 First timber management plan completed for the Caribbean National 

Forest . 

1949 Land Authority of Puerto Rico 

transferred what is now the 

Carnbalache Forest to the Department of Agriculture and Commerce. 

These lands were then ceded to the 

Puerto Rico Forest Service, a part 

of this department. 

1951 The Ensenada section of the 

Gusnica Forest comprising 1,600 

acres, and the area now called 

Vega Forest transferred from the 

Land Authority to the Puerto Rico 

Forest Service. 

1956 Caribbean National Forest 

administratively designated 

also Luquillo Experimental 

Forest to recognize the growing importance of research 

work there. 

1959 Successful introduction of 

Caribbean pine (Pinus 

caribaea) in Puerto Rico, 

since proven adaptable to much 

of the island. 

1967 Virgin Islands Territorial 

Government initiated its own 

forestry program in cooperation with U.S. Forest Service. 

1968 Formal research efforts to 

save the Puerto Rican parrot 

begun in the Caribbean 

National Forest. Wild population then 27 birds. 

1970 Toro Negro Unit transferred 

to Puerto Rico Forest System 

in exchange for lands added to 

the Luquillo Unit of the 

Caribbean National Forest. 

1973 The Caribbean National Forest 

and Cooperative State and Private programs separated from 
research activities and administered by Southern Region 

(Atlanta) of the National 

Forest System. 

1973 Administration of the State Forests 

transferred from the Puerto Rico 

Department of Agriculture to the 

P.R. Department of Natural 

Resources. 

1975 The Commonwealth enacts Law 133 - 

The Puerto Rico Forest Act giving 

the Department of Natural Resources 

new powers to administer the forests of Puerto Rico. 

1976 The P.R. Department of Natural 

Resources completed first master 

plan for its forest lands. 

1976 Luquillo Experimental Forest 

designated by the United States as 

part of the international network 

of Biosphere Reserves. 

1977 The Institute of Tropical Forestry 

transf erred from the Of £ice of the 

Chief of the U.S. Forest Service 

to the Southern Forest Experiment 

Station (New Orleans) , as its 

Tropical American Forest Management 

Research Unit. 
on, John M, 1 

&bad y Lasierra, Inigo 2 

I-ibbot, Walter 761 

libruiia, Fernando 

Acevedo, G. 

Acosta , Jos6 de 

Mdor, Eugene E. 4 

Agriculture Experiment Stations, 

of the Land Grant Universities, 

Southern Region 5 

Ahern, G. P. 6 

Ahlers, David 7 

Akers, J. P. 97 

Albanese , Lorelei 8 

Alexander, William Henry 9, 10 

Al~?~~poulos, Constantine J. 11 

Allan, G. G. 331, 332 

Ahyda, N. 1314 

Al.~md6var, L. R. 12,13; 366 

ALnqy, C. C., Jr. 14 

Alvarez GarcXa, Luis A. 15,16 

Anderson, David E. 17 

~ngler6, Jos6 I. 18,19; 727 

Anglo-mrican Caribbean 

Ccanmission 20 

Fntony, H. E. 21,22 

Arsez y Fernando, R. 23 

Arena, C. 24 

know, T. 85 

Arrargs, J. D. 25 

Arrieta, Rub6n 0. 26 

Ascorbe, F. J. 27 

Atwood, David M. 472 

Austin, H. M. 

Hez, Vicente 

Bag&, Jaime 

E3aillon, H, 

I3a&r, William E. 33 

Bannister, Barbara A. 

Barber, H. G. 

Barber, M. C. 

Barbour, William R. 

Barker, E. Eugene 

Barres, H. 

Barrett, 0. W. 

Barrett, Wilfredo, H. G. 

Barros, N. F. de 

Bartlett, Federico P. 

Bascog, R. 

Batchelder, R. B. 

Bates, Charles 49-58 

Baynton, H. W. 59,60 

Beard, John Stewart 6 1-6 4 

Beinroth, Friedrich 65,66 

Bell, c. A. 

Bell, C. C. 

Bello y Espinosa, Dmingo 69 

Berkey, C. P. 

Bevan, Arthur 74-76 

Biaggi, Virgilio 77 

Bidigner, J. M. 799 

Biebl, R. 12; 78,79 

Bloom, Sanford G. 80 

Ik>ck, Carl A. 83,84 

Bonnet, Juan A. 86-89; 613a, 614; 

1251 1252 

Euvey, R. W. 93; 265 
sh, B. S. 94 

Brau, Salvador 95,536 

Briggs, J. P. 97 

Briggs, R. P. 626 

Briscoe , 762 

Britton, N. L. 120-144 

Bmck, D. 

r, E, blurray 

Brush, Virgil D. 

Brush, Warren D. 

Bryant, H, C. 

Buell, Peter F. 

Bugher, J. C. 

Buol, Sf W. 

Burkholder, L. Me 

Burkholder , P . R. 163; 763 

Burns, Lawrence A. 772 

Byer, Michael D, 164; 1273 

Cabrera, ALba Raguel 165 

Calveskrt, Robert J. 166-168 

Canoy , ~Michael J. 

Caribbean National Forest, 

Forest Service, USDA 174,175 

Carlozzi, Alice A. 176 

Carlozzi, Carl A. 176 

Carroll, King 178 

Carter, Oliver R. 179 

Centre de Investigaciones 

Forestales Tropicales 

(Tropical Forest &search 

Center, now 

of Tropical Forestry) 180 

dbn, C. E. 1001 

Christie, S. K. 799 

Ghudnoff, Martin 90-92; 110; 

185-199 

200; 371; 612 

Cintrbn, JOS~ E. 205-207 

Cintrbn, Molero G. 208 

Clark, H. L. 209 

Clark, Victor Seldcan 210 

Clegg, Albert G. 211 

Cltments, Richard G, 212,213 

Clifford, G. 214 

Cobin, Jtilton 1284,1285 

Colm, David C. 215 

Coll y Toste, Cayetano . 216-219 

Collins. G, N. 226 

Colbn, E, D. - 220 

Colbn, Jos6 A. 212 

Colorado, Isabel 399 

Comisibn Angloamericana del 

Caribe 221 

CCEIS~OC~, W, P. 222 

Cook, Melville T. 223,224; 365 

Cook, 0. F. 225,226 

Gopeland, B, J. 765 

CrSrdova, Juan P. 227-229 

C6rdwa, PedroTandsde 230,231 

Cornell University, Center of 

%rial Photo Studies 897 

Coufal, J. E. 232 

Cmley, G. T. 233-235; 428 

Crandall, B, 326,327 

Crawford, G. L. 236; 747 

Crooks, J, W. 85 

Crow, Thomas R. 237,238; 1275 
Cm, H. A. 239 

Wet Cuevas, Eliezer 240 

Curran, C. H. 241 

Danforth, S. T. 242-246 

Dansereau , Pierre 161; 247,248 

r>a.rwh, W. N. 249 

Dawkins , H. C . 250 

251 

de Acosta, Jos6 (see Acosta, Jos6 de) 

de Barros , (see Bavros de, N. F. ) 

de C6rdova, Pedro Tcsnds (see C6rdova, 

Pedro Tds de) 

De Golia, Darwin Paul 252 

de Grosourdy , R. (see Grosourdy , R. de) 

de la iMaza, M. G. (see Maza, M. G. de la) 

de &bn, Donald 253 

del Toro, Gabriel A. (see Toro, 

Gabriel A. del) 

Descartes, S. L. 254 

Desrnarais , A, Paul 255,256; 1018 

Dfaz Coltin, J. D. 93 

Dfaz-Piferrer, M. 170; 257 

~ickinson, F. E. 258 

Dienes, G. J. 259 

Dinwiddie, W. 260 

Doerr, A. H. 261 

Dor~~nech, 14. V. 262 

Dowler, Clyae (2, 93; 263-265 

1069 

Drewry, Wrge 213; 266,267; 480; 

493,494; 766-768; 773; 1017 

Dugger, Ken 371; 612 

Duke, Jms 268,269; 1069 

Duplaquet, L. 270 

Durland, William D. 271-274 

Edmisten, Joe 275-279 

Echnondson , Cha rles Howard 28 0,28 1 

Eggers, H. F. A. 282-285 

Ehelebe, Carl F. 1254,1255 

Ehglerth, George H. 287-297; 550; 

638,639; 1253 

Erdrnan, Wnald S. 298 

Estrada Pinto, Alejo 299 

Eucalyptus rience surnmariz& 300 

mans, R. M. 301 

&el, John J. 302-324 

Fassig, 0. L, 305-309 

Feliciano, C. 310 

Fernbndez de Oviedo, Gonzalo 311 

Fewkes, Jesse Walter 312 

Fincher, Ernest B. 340 

Flinter, George Dawson 313 

Foerster, J. W. 314 

Food and Agricultural Organization of 

the miteti Nations, FAO, Ccsnisi6n 

Forestal Latinomricana 315,316 

Food and Agricultural Organization of 

the mited Nations, FAO, Latin 

American Forestry C&ssion 315,316 

Forbes, W. T. M. 317,318 

Forestier, W. 263 

Fowler, H. W. 319 

Fox, J. E. D. 320 

Fram, Mitchelle 321-324; 1352 

Friedman, Robert 325 

Fulford, M, H. 326,327 

F'wstenberg, P. von 328 

GandIa ardova, R. 329 

Gannutz, T. P. 330 

Gara, R. I. 331,332 

GarcTa, C- M. 333 

Garcf a, Jean 614 

Garefa-Piquera, Carmen 334-339 

Garcfa-Tudurf, Jos6 G 1351 

Gamer, Earl S. 340 

Gates, D. M. 341 

Gaztambide, Juan B. 342,343 
Gerry, Eloise 353 

Gifford, C. R. 719 

Gifford, John Clayton 354 

Gill, A. M. 355 

Gillr T~XI 356 

Gill-Bemjo Garcfa, J. 357 

Gilodni , Jose A. 358-363 

Girard, Jms W. 1044 

Gist, Clayton S. 1071 

Giusti, E. V. 364 

Gleason, &nry Allan 223,224; 365 

Glynn, P. W. 366,367 

Golfari, Lamkrto 45 

Golley, Frank B. 368,369 

Gonzdlez, Carlos G. 400 

Gonzslez-Mas , Arturo 372,373 

Goytia Oh~do, Ernesto 92; 188,189; 

192-197; 292,293; 296,297 

Grabau, Warren E. 4 

Gray, R. W. 374 

Green, E. A. 375 

Gregory, L. E. 376 

Gregory, Luis 377,378 

Griseback, A. Ha R, 379 

GrOff, G. G. 380 

Grosourdy , R. de 381 

Gundlach, J . 382 

Haas, William Hem 383 

Haber, W. A. 384 

Hacskaylo, Edward 385,386; 1154 

Hadley, H. H. 387 

Hagloy, E. W. 388 

Hall, R~scoe M., Jr. 389 

Hall, W. M. 390 

HZKEUI, M. 391 

Hamilton, Guliehus 392 

Hamilton, S. H. 393 

Elanson, E. 394 

Harrar, E. S. 395 

Wrkgton, M. W. 396 

Harris, J. B. 111 

Hart, Freck 397 

Hartshoxm, G. S. 1298 

Heatwole, H. 398 

eatwole , Harold 399 

Heidel, S. G. 1348 

Helfenbein, Herman 400 

Helmuth, Billy T. 255 

Herndndez Agosto, Miguel A. 401,402 

Hess, R. W. 258 

Hess, Robert W. 963 

Hibbin, T. 403 

Il.ildner, We K. 502 

Hillr Lo We 404-407; 728 

Hill, R. T. 408 

Hill, Robert 409 

Hinojosa, Gilberto 1299 

Holdridge, L. R. 410-426 

Holler, J. R. 427 

Wller, James R. 428 

Hollick, Arthur 429-432 

Holsten, E. H. 99 1 

Horn, Claud L. 433 

Wttle, Walter D. 434 

 ward, Alexander L. 435 

Howard, Richard A. 436-440; 1263 

Elowe, Marshall A. 441 

Rowell, B. 442 

Howes, C. D. 1139, 1140 

!&ckenpahler, B. J. 1254,1255 

Hutton, Robert S. 443 

Elyman, Margaret 444 
Ikra-Coronado, R, [Ratill 

(see also Ybarra-Coronado, R. [Ml) 

119; 347; 723 

Institute of Tropical Forestry, Forest 

Service, USDA 

(see also 

Tropical Forest Research Center; 

Tropical Region) 180; 445-464; 882; 

905; 1050-1068; 1090 

Instituto de Daso 

(Institute of Tropical Forestry, 

Forest Service, USDA) 180; 

445-464; 882; 905; 1050-1068; 1090 

Iornes, M, J. 446-467 

Irizarry, Edith Robles de 468 ; 

503-505 

Jackson, C. F, 469 

Jackson, W. B. 1278 

Jagels, F. P. 470 

Johnson, Philip L. 471,472 

Jones, C. F, 473 

Jordan, Carl F. 474-480; 

492-494; 769 

Jordan D. G. 481 

Jukez, J., Jr, 615 

Kaye, Clifford A. 483 

Kepler, Angela Kay 484,485; 488 

Kepler, Cameron B. 486-489 

finzel, A. 79 

Kline, J, R. 477; 490-497; 767 

Klots, E, B, 498 

Kobuski, Clarence E. 500 

Kol nen, S, E, 502 

KOO, F. K. S, 468; 503-506; 1146 

Kramer, William I?. 507-543 

Kmtze, Otto 545,546 

La Ebstille, Anne 547 

Lamb, F. Bsuce 112; 548-550 

I;apiana, M. J. 799 

Lavandero, Carlos F. 551 

lavicpe, Robert J. 213 

IRdTii, Ilndr6 P, 553 

Legrand, J. Federico 554-572 

n, Jorge 573 

LRtopold, No F* 5-74: 

Liegel, LRon H. 575-577; 1352 

LinSs, &ti1 578 

Liogier, Alain H. 579,580 

Little, Elbert L., Jr. 581-591 

1350 

Littlefield, E, W, 592 

Labeck, A. K. 593 

~ngwood, F. R, 594-597 

Upez, B. A, 598 

L6pez &rams, Betsy 599 

Lkjpez, M. A. 364 

Upez Canales, el 600 

IxSpez de Velasco, Juan 601 

Lmstalot, A, J. 602 

mvler, Ronnie 603 

Lucchetti, A. 604 

Lugo, Ariel E. 177; 200; 203-204; 

371; 605-612; 770,771; 813,814 

Lugo Lbpez, M. A. 88; 613,613a; 616 

Luse, Robert 617 

Lyford, W, H. 618 

WCandless, I. B, 619,620 

McCIelland, T. B, 621 

P%=C~nnick, J. Fr 622-624 

WDonough , James 625 

14cIntyre, D, H. 626 

WMakan, E, A. 768 

mfulahan, Eliz 

S, Irene 629 

TYlcBlillm, J, N, 630 

Macfas Zanabria, F. R. 348; 1141; 

1300 
Magruder , Joel 

Prlalaret, Reng J z 

Morris, Gregory L. 

632 Morton, H. L. 265 

634 iz McCom\i~k, Carlos 425 

197; 294,295; f4uiioz, Juan E. 726-728; 

1142,1143 

Margenat , Al f redo 645 

Mdrquez, Juan Luis 646 

Marrero, ~oaqdn F. 647 

Marrero , JO& 113; 426; 588; 

648-681; 1256,1257 

Martfiez Nadal, N& G. 682 

Martfnez Oramas, Joa- 683,684 

Naurtorell, Luis F, 685-705; 

1347; 1351 

Matthews, Barbara M. 706 

Matos, Cruz A. 707 

Mattoon, W. R. 708 

Maury, Carlota J. 709 

Maxon, William R. 710 

Mza, M. G. de la 711 

~%dina-Gaud, S . 1301 

Mel6ndez MU1?oz, Miguel 712 

Melgarejo, Juan 713 

Wll, Clayton D. 964 

&reado, Nelson 495; 714 

myerhoff, H. A. 715,716 

Miers, J. 717 

ktiller, H. A. 989 

Miller, K. R. 718,719 

Millspaugh, C. F. 720 

Mitchell, Raoul (3. 721 

Mixer, Knowlton 722 

Pllonteith, D. B, 723; 406,407 

Moore, Allen M. 772 

Fbore, C. G. 384 

Murioz, L. A. 729 

Muratti, JOS~ 400 

Murphy, Louis S. 730,731 

Murphy, Peter G, 732,733; 773; 

1306 

Murray, Louis S. 156 

Murray, Robert Eiase 734 

Nevees, R., Jr. 735 

Nevling, L. I. 736 

Nevling, I3ri.n I., Jr. 737,733 

New York Academy of Sciences 739 

Newton, H. K. 6 

Nieves, Luis 0. 1274,1275 

Nieves Rivera, Carlos 740 

Noble, We D. 741 

Nobles, R. W. 114-116; 349; 

742-745 

PZbll, John J. 746 

Nolla, J. A, B. 747 

Northwestern University 748 

NGez Melgndez, E. 749 

Ocasio, Juan Manuel 750 

Odum, Howard T. 369;-496,497;505; 751-774 

Ogle, Carol June 775 

Ogle, Richard A. 776 

Oliver Lugor Fernando 777,778 

Olson, J. S. 787 

Ortiz, VXctor R. 779-781 

Osbome, He 782 

Ot&rola, A. 783; 1302 

Otero, J. I. 784 

Otero, JosG I. 785 

Otero, L. P. de 784 
Pag&-Font, Francisco A. 788 

Page, H. J. 789 

Pate, W. W. 790 

Parkes, M, C. 489 

Paz Salamandra, N. 791 

Peck, Ward C. 641 

Fendelton, R. L. 792 

Pemxk, William 793 

Y&ez-Escolar, R. 615 

Perez Vdzquez, Carlos 796 

Peters, J. G. 802 

Petrichik , &mard 800 

Petrichik, Harriet 800 

Petrunkevitch , A. 801 

Peyton, J. S. 802 

Pic6, Rafael 403; 803-809 

Pigeon, Robert F. 760 

Plank, H. B. 810-812 

Pool, Douglas J, 203,204; 547; 

813,814 I 

Port0 Rico. (~xisc ) 815-820 

Price, C. A. 823 

Puerto Rico (mist.) 825-837 

Puerto Rico uct and 

Sewer Authomty 828 

[Puerto RiGo. Arboles] 829 -831 

941-946 

Puerto R;ico, Autoridad de las 

mates Fluviales 832 

[puerto Rice. Aves] 833 

[Puerto ace. Basque de 

Luqui 1 lo] 834 

[Puerto Rico. Ek3rsque Nacional 

de Isla] 835 

[Puerto Rico. Bosques] 836,837 

Puerto Rico, EjuTeau of Ec 

and Statistics 838-862 

[Puerto Rico. Cadam] 863 

[Puerto Rico. Caribbean 

National Forest] 864 

[Puerto Rico. Conservation] 865 

[Puerto Rico. Parrot] 866,867 

Puerto Rico: Delegacidn de 

ConservaciQn de Suelosf 

Aguas y Bosqyes 868 

Puerto Rico, Departamento de 

Agricultura 869-882; 924 

Puerto Rico, Departamento de 

Agricultura, Area de Servicios 

Auxiliares y Operaciones 

Centralizados 873 

Puerto Rico, Departamento de 

Agricultura y Cmercio 874; 

877-881 

Puerto Rico, Ikpartrnent of 

Agriculture 869-882; 924 

Puerto Rico, Departmnt of 

Agriculture and Cmrce 874; 

877-881 

Puterto Rico, Departnent of 

Agriculture, Office of 

Conservation of Forest 

Resources 882 

Puerto Rico, Ep nt of 

Natural Resources 883-897 ; 1102 

Puerto Rico, Econamic Development 

Administration 898; 948 

[Puerto Rico. El Yunque] 952 

Puerto Rice, Ehvi 

Quality 

Calidad 899-901; 

906-910 

[Puerto Rico. Forestry] 902-904 

[Puerto Rico. Institute of 

Tropical Forestry 905 
Puerto eco. Junta ck Calidad 

iental [Znviromntal 

Quality Board 899-901; 906-910 

[Puerto Rico. Legislature] 911,912 

[merto Rico. 

[Puerto Rico. 

[Puerto Rico. Honduras pine] 918 

Puerto Rico Planning Board 919 

Puerto Kico. Puerto Rico and 

the Sea Cdttee 920 

Quifiones, Luis R. 955 

Raffaele , Herbert 956,957 ; 1352 

Raines, Gilbert 80 

s, Francisco 958 

Fzin-0~ Lbpc;3z, Jum 959 

Rasmussen, Reinhold A, 443 

Recher, Harry F. 960,961 

Recher, Judy T. 96 1 

Record, Samuel J. 962-964 

Puerto Rico Reconstruction Wdy, C. V. K. 

Mminist;ration 921 Reid, D, G, 

[Puerto Rico. Recursos 

Forestales] 922 

[Puerto Rico . Reforestation] 923 

Puerto Rico. Secretarfa de 

Agricul tura 924 

[Puerto Rico . Seedlings] 925 

Puerto Rico, Servicio de 

~xtensi6n Agrrcola 926-940; 

1103-1105 

[Puerto Rico. Trees] 829-831; 

941-946 

Puerto Rico, Universidad de, 

Escuela de Derecho, Instituto 

de Derecho Urbano 947 

Puerto Rico, University of, and 

the Econhc Developent 

Adtministration 948 

Puerto Rico, University of, 

Agricultural Experiment 

Station 1053; 1103 

Puerto Rico, University of, 

Agricultural Extension 

Service 926-940 ;1104,1105; 

Puerto Rico, University of, 

College of Agricultural 

Sciences 1106,1107 

[Puerto Rico. Urban Forestry 949 

[Puerto Rico. Vacfa Talega] 950 

Puerto Rico, Water Resources 

Authority 951 

Quarterman, Elsie 953 

Reid, David 966 

Ricciuti , Ward R. 967,968 

Richards, Douglas D. 969 

Rivera, Angel 

Rivera, Julio 

Rivera, Luis W. 

Rivera Brenes, L. 973 

Rivera ~andr6n, Francisco 974 

Rivero , J . 763 

Roberts, Ray Clayton 975 

Robles, ath de Irizarry 

(see also Irizarry, Edith 

Robles de) 468; 503- 505 

RodrTguez, A. 1144 

Rodrfguez. pifik, Julio 400 

Rodrfguez San Pedro, Joaqufn 976 

Rodrfguez-Vidal, Jose A. 977,978 

Rojas Daporta, M. 979,980 

Rojas Daporta, Mal6.n 981-983 

Rmey-Joseph, C. 973 

Roosevelt, Theodore 934 

Rosario , Jos6 985 

Rossy, Abel 399 

Rouse, I. 986 

RouttE?, E. 987 

Ruiz-Reyes, J. 774 

Rushing, William N, 4; 988 

Russell, Keith We 989 
Salazar, R. 783 

samuels, George 990 

skchez, J. C. 991 

santana, Pedro M. 992 

993 

Schauss . W. 994 

995,996 

997-999; 

1258; 1356 

Schuchert, C. 1009 

Seaver, F. J. 1001 

Seda, Benjdn 1002-1004 

~eguinotRobles,Pedro 1284,1285 

Selander, Robert K. 761 

Shafer, J. A. 1005,1006 

Sherman, E. A. 1007 

Shlers, D. 1008 

Srredley, D. 1009 

Smith, M. R. 1010 

Smith, R. F. loll 

Smith, Richard M. 1012 

Smith, Robert Ford 1013-1016 

Snedaker , Samuel 610; 813,814 

SolTs , &lio 1259,1260 

Sollins, Nancy F. 628 

Sollins, Phillip 1017 

Soriano-Ressey , Mario 1018 

Sorrie, B. 1019 

Sorsa, VeiMto 1020 

Spain, fifinistry of Ultrarnar 1021 

Sparhawk, William N. 1357 

Spsta, Joseph W. 1022-1024 

Stahl, AgustXn 1025-1027 

Steere, W, C, 239 

Steere, William C. 1028 

Stehl6, Hmri 1029-1032 

Stein, A. H. 1033 

Stejneger , L. 1034 

Stella, s 

Stevens, F. L. 1037 

Stevenson, Tcxn 1038 

Stiven, Alan E, 1039 

Stone, R. 1040 

Stotler, R. 

Taylor, N. Cavendish 1043 

Teesdale, Laurence V. 1044 

Telek, L. 1139,1140 

Tordoff, Herbert 1045,1046 

Toro, Gabriel A. ael 576,577 

Toro ~azario, J. M. 1047 

Toro, R. A. 784 

Toro, Rafael A. 785 

Tosi, J. A., Jr. 1048 

Tower, W. V. 1049 

Tropical Forest Exper 

Station (now nmed Institute 

of Tropical Forestry, Southern 

Forest Experiment Station, 

Forest Service, USDA 1050-1060 

Tropical Forest Experhnent 

Station, Tropical Region (now 

named Institute of Tropical 

Forestry, Forest Service, USDA 

1055-1060 

Tropical Forest Research Center, 

(nay named Institute of Tropical 

Forestry, Southern Forest E2qerimen-k 

Station, Forest Service, USDA 

180; 1061-1067 

Tropical Region (now n Institute 

of Tropical Forestry, Southern 

Forest Experhnt Station, Forest 

Service, USDA 1055-1060; 1068 

Tschirley, Fred H. 263-265; 1069 

Turner, Frederick B. 1071 

Underwood, L. M. 1073 
U.S. Engineers Division, 

CorpsofEngineers 1074,1075 

t of Agricultme, 

Forest *mice 831,882; 1077-1090 

t of Agricultwe, 

Forest Service, Gzibkan 

National Forest 1089 

U,S. Wp nt of Agricultue, 

Forest %mice, Institu* of 

TropicalForestry 882; 1077-1090 

U.S. &p nt of I"igricultue, 

Forest Service, Tropical Pegion 

(nm named Institute of Tropical 

Forestry, Southan Forest 

nt Station 1090 

U.S. Dep nt of Agricultme, 

Soil Conservat_i_on Service 

1091-1107 

u."s. Weather Bureau 1108 

University of Puerto Rico and the 

948 

versity of Puerto Rico, 

Station 1053; 1103 

versity of Puerto Rico, 

Agricultural =tension 

Service 926-940; 1104,1105 

versity of Puerto Eti.co, 

College of Agricultural 

Scimces 1106,1107 

Urban, 1. 

Vszquez GarcTa , Salvador 1122 

VSzquez Pgrez, Carlos J. 9123 

Vglez, el J., Jr. 1126 

Venator, Charles Re (see also 

erroneous listings ;is '"enator, 

R. G." and/or '?ienator, Robert") 

506; 1127-1146 

Venator, Robert and/or Venator, 

R. C. (erroneous listings--see 

also correct listing as Venator, 

Charles R.) 506 

Virkii, Niilo 1147 

Vivaldi, Santiago A. 1148-1153 

von Furstenberg, P 

Vozzs, J. A. 

Wadsworth, Frank H. 118; 587-590; 

679-681; 1113; .1155-1260 

Wadsworth, Robert Kenneth 1261,1262 

Wagner, Anstiss B. 1263 

Wagner, Richard J. 1263 

Wangaard, F. F. 258 

Water ~nfomtion Center Inc . 1264 

Watson, Ht",nry 1265 

Watson, Robert 1266 

Wawriew, Re 198 

Weaver, Peter L. 164; 238; 

1267-1275 

White, David C. 1283 - 1285 

rg, R. K. 1121 
Wiegert , Richard G, 1304-1306 

Wiewmdt, Thms Alan 1307,1308 

Wilson, H, M, 1311 

Wilson, Percy 143,144; 1312,1313 

Wisdom, Harold W. 1315,1316 

Witkamp, Martin 1317,1318 

Wolcott, George N. 1319-1347 

Wright, eorge W. 1353 

Wyckoff, D. 

Wydler, H, 

Ybarra-Coronado, RaGl 

(see also Ibarra-Coronado R. 

[RaGl] 119; 347; 723 

Zarnbrana, Jose A. 33; 350,351; 

998,999; 1145; 1355,1356 

Zon, Raphael 1357 
1. FORESTS AND FORESTRY. GENERAL, INCLUDI3G ANNUAL REPORTS 

I\IANUALS, GLOSSARIES 

2. GENERAL SITE FACTORS. CLIMATE, SOIL, GEOLOGY 

3. WATERSHED MANAGEIIENT. HYDROLOGY: EROSION, SOIL CONSERVATION, 

WATER CONSERVATION 
4 . BOTANY. TAXONOPIY, SPEC IES DESCRIPT IONS 

5. ZOOLOGY. TAXONOMY, SPECIES DESCRIPTIONS 

6. PLANT ECOLOGY 

7 . ANIbL4L ECOLOGY 

8. SILVICULTURE. NATURAL FORESTS 
9. SILVICULTURE . PLANTATIONS, INCLUDING AGRO-FORESTRY 

I 0. ARBOR1 CULTURE FOR ORNN4ENTAL PURPOSES 

11. FOREST INJURIES AND PROTECTION, INCLUDING HURRICANE DAMAGE; 

CONTAMINAT I ON 

1 2 . FOREST F*IENSUMT ION. INCREMENT ; DEVELOPMENT AND STRUCTURE OF 

STANDS. SURVEYING AND MAPPING; INVENTORY; GROWTH MODELLING 

1 3 . FOREST MANAGEMENT 

14, RECREATION 
15. FOREST PRODUCTS. WOOD: STRUCTURE AND PROPERTIES; UTILIZATIOX ; 

WOOD PRESERIJATION ; ECONOMICS OF FOREST PRODUCTS INDIISTRI ES ; 

MINOR FOREST PRODUCTS 

16. SOCIO-ECONOMICS OF FORESTRY. LAND-USE POLICY; REGULATION OF 

FORESTRY, INCLUDING LEG ISLATION 
SPECES IfLDEX 

Aceite de ?*farla 415, 453, 475, 1160 

African tuliptree 34 6 

Algarrobo 2 5 8 

Almendrillo 1346 

Almendriin 1346 

AlsophiZa bryophiza Tryon 137 

Andira inerrnis (I+'. Wright) M. B. K. 700 

Andirn jamaicensis (W. Wright) Urban 700 

Angelin Tree 700 

Anthocephallns cadamba (Roxb.) Miq. 346, 444, 605, 611, 678, 863, 

1145 

AnthocephaZus chine~sis (Lam.) A. Rich 

ex Walp. 346, 444, 605, 611, 678, 863, 

1145 

Araucaria angustifolia (Bert .) 0. 

Kunt ze 34 6 

Araucaria brasilana A. Rich. 346 

Arauearia ezcetsa (Lamb.) R. Br. 696 

Araucaria heterophy tla (Salisb.) Franco 696 

Australian beefwood 364 

Ausubo 235, 258, 320 

BaPata 

Balsa 

Bamboo 

BambG 

BambGa 

Bambusa tuldoides 

Bambusa vulgaris Schrad. 

Bastard Mahogany 

Beakpod eucalyptus 

Be j uco escambr6n 

Big -leaf mahogany 

Black olive 

Blue mahoe 

Bois irnmortelle 

Bombaz pentandrum L . Botoncillo 

But tonwood 

Brasilefio 

Brucayo 

BGc ar 

Bucar6 

Bucar6 gigante 

Bucarp gigante 

Buceras bueida Cranta 

Buchenavia capitata (Vahl) Eichl. 

Bucida bueeras L, 

Bucida capitata Vahl. 

Bullet -wood 

Bully-tree 

Button-tree 

Button-mangrove 

Byrsonima wadsuort izii Little 
Cabbage angel in 

Cabbage bark 

Cacaillo 

Cacao mot illo 

Cacao roseta 

Cacaot illo 

Cachimbo 

Cadam 

Calabash 

Calopkyllum 

Calophy ZZum ankillanurn Britton 

Calophyllum brasitiense var* 

antiZlanum (Britton) Stand1 . CaZopbyZZum brasiliens~ Camb, 

CaZopkyZZum brasiliense Jacq. 

CaZophylZum cataba Jacq. 

CaZophyZZum jacquinu Fawc. Rendle 

Candl ewood 

Cafia India 

Caoba 

Caoba de Venezuela 

Caoba dominicana 

Coaba de Honduras 

Caoba hondurefia 

Caoba de Santo Domingo 

Capa 

Cap6 colorado 

Cap5 prieto 

Caribbean pine 

Caribbean Pine 

Caryophy Zlzs jarnbos (L .) Stokes 

Casuar$na 

Casuariza equisetifolia L. 
Cecropia asperrima Pitt ier 

Cecropia peltata L. 

Cedar 

CedreZa 

Ceiba 

Ceiba anfractuosa (DC . ) Maza 

Ceiba pentandra (L.) Gaertn. 

Ceriiiarza alliodora biz 6 Pav. 

Cerezo 

Cerezo del PaTs 

Cipr6s mexicano 

CZusia krugiana Urban 

Coccoloba 

Colorado 

Common calabash tree 

Conocarpus erectus L. 

Corcho 

Cordia alZiodora (Ruiz 6 Pav.) Oken 

Cordia nitida Vahl 

Coubar il 

Cow bean tree 

Croton poecizanthus Urban 

Cupe il lo 

Cupressus bentharnii End1 . Cupressus ZindZeyi Klotzsch 

Cupressus Zusitanica Mill. 

Cupressus lusitanica Mill. CV. Bentharnii 

Cyathea aquiZina (Christ) Domin 

Cyathea arborea (L.) J. E. Smith 

Cyathea escuquensis (Karst .) Domin 

Cyathea portoricensis 

Cyathea tenera (J. E. Sm.) Moore 

Cyathea wiZsonii (Hook .) Proctor 

Cybistaz donneZZ-srnithii (Rose) Seibert 

Cyperus iria L. 

CyriZZa antiZZana Michx 

CyriZZa racemiflora L . 

Dacryodes excezsa Vahl . 

Dacryodes hexandra (Hamilt .) Gr iseb 

Daphnopsis he2 leriana Urban 

Dominican mahogany 
Earpod tree 346 

Ema j agua 346, 673 

Enterolobiun cycZoccrpxm (Jacq .) Gris . 34 6 

Enterolobium samon (Jacq ,) Pra in 346 

Erythrina rnicropteryz Poepp. 703 

Erytk~ino poeppigiana (Walp.) 0. F. Cook 703 

Eucalypt 300, 346, 465-467, 1256, 1257, 

1290, 1294 

Eucal ipto de A1 canfor 300, 346 

Eucal ipto de Pantano 300, 346 

E.,tcaZ$ptus 300, 346, 465-467, 1256, 1257, 

1290, 1294 

Eucalyptus deglupta B1. 1294 

EucaZ yptus kirtoniana 300, 346 

EucnZyptus multiflora Poir. 300 346 

Eucalyptus robusta J. E. Smith 300, 346 

Eucalyptus tericornis Sm. 346 

Eucalyptus zpatentinervis R. T. Bak. 346 

Eugenia jarnbos L. 1158, 2274 

Euterpe globosa Gaertn. 623, 795, 1266 

Ficus sintenisii Warb. 7 04 

Geoffrea inermis W. Wright 

Giant Thibet 

Goetzea elegans Viydler 

Granadil lo 

Grayumo hembra 

Gregre 

Gregory wood 

Guaiaeurn officinal o L . Guanaca st e 

Guango 

Guano 

Gua yaco 

Guayacgn 

Hat palm 

Hat palmetto 

Hedivigia balsamifera 

Elelecho gigant e 

Hibiscus elatus SW. 

Hibiscus tiliaceus L. 

Higuer ita 

Higucrito 

Higuero 

Higuillo prieto 

Hondura s mahogany 

Honduras pine 

Sw. 

Horsetail casaurina 

Hueso blanco 

Nymenaea courbar-il L . 
Inga 

Jacana 

Jaguey colorado 

Jaguey prieto 

Jambosa jarnbos (L .) Millsp. 

Jambosa vulgaris DC. 

Jugtans arc haeoantiZ Lana 

Kapoc k 

~ha~a nyasica Stapf. 

Khaya senegalensis (Desr.) A. JUSS. 

LaguncuZaria recernosa (L.) Gaertn. f. 

Laurocerasus occidentalis (Sw.) Roem. 

Lignumvitae 

Linociera domingensis (Lam .) Knob1 . Llagrumo hembra 

Locust tree 

Lucuma muZtifZora A. DC. 

Maesopsis eminii Engl . Maga colorada 

Maga grandifZora (DC . ) Urban 

Maga wood 

Ma h6 

Maho e 

Flahogany 

Ma j agua 

Ma j agua brava 

Majagua excelsa 

Maj6 

Mambfia 

Mangle 

Mangle blanco 

Mangle bob0 

Mangle bot6n 

Mangle colorado 

Mangle de chifle 

Mangle zapat ero 

Mangrove 

Mangroves 

~anilkara nitida (Sess6 6 Moc .) Dubard 

~ganilkixra balata (Aubl.) Dubard 
Mazilkara bidentata (A, DC.) Chev. 

Manil kara riedleana (Pierre) Dubard 

Manj ack 

Manzanilla 

Mar la 

Masa 

blatabuey 

Mat ill0 

&la to 

Mexican cypress 

Mimusops balata auth. 

Mimusops bidenCata A. D.C . Mimusops dommgensis (Pierre) Huber 

>i!irnusops riedleana Pierre 

Mimusops sieberi A. DC. 

Moc a 

bfoca blanca 

Mont ezuma grandiflora (DC .) Urban 

Montezama speciosissima Sesse 6 Mot. 

Mot illo 

Mountain immortelle 

Mountain mahoe 

Mountain palm 

Mufieco 

Nephelea portoricensis (Spreng .) Tryon 

Norfolk ~ine 

Norfolk island pine 

Oehroma bicolor Rowl ee 

Oc hroma boZiviana Rowl ee 

Ochroma lagopus SW. 

Ochroma Zagopus var . bico lor 

(Rowlee) Stand1 . 6 Steyerm 

Ochromo Zirnonensis Rowlee 

Ochromo ob6usa Rowlee 

Ochroma grandiflora Rowlee 

Ochrorna pyramidale (Cav.) Urban 

Ochroma peruviana Johnst . Ochroma tomentosa Willd. 

Oehroma velutina Rowl ee 

Oreganillo 

Oreja de Mono 

Orrnosia krugii Urban 

Oxhorn buc ida 
Q 

* TA 0 

LOO k 

ti uI-4 a> Q,'rf v-i k k 

'4 C 0 ka 

$; ni boa, g 13 0.4 0 

tiniOrn~ 

U) 

ka>a,cua, 

3r;Srd'brd 

n 

oC3 n* CO -.;j- COn oa -w 00 -e ot, n* 

fib 7 7 7- -by n hb-t- n[i-. -t-- 

fl,\cV?- Y)'at.c,t- In\cM m\CtQr^ U>DM?- m\CM?-. 

4-1- -1- -1- 4-1- '4-1- d-IMa- - ma- - ma- - PT,\D?- n M\CY - Ma- - [i-. T- b. - r-- c-- .c- t'. F r-. t- -* nu2 *.;j- - - -a -TJ- *a *.;f -* 7 a- 1-- cn- F cn- ? cn? 7 cn- 7 olcn -pdt--- cn -N- cn cn -N- as -N- a -N - 

-1.r:- -T:- I-MF -MY -MY- ?-m- - c-7 - r.7 r-T- n r-- - r.- " t'. - 

C -\O C n\C 0 -\C Q -\O O -\C 0 

b -* b --it b -* r. h* c-r nTj- [i-. -d- t-- hr.F 7 -bT- 7 r. 7 -b T. - fit-_- - 6-? 

T-7-N? -7-N- Y-Y-P.3- N 7-T-NT- T-rNYm- m- m- LO- In- In - 

nm- - ~VJ- n -V,- n t-. n *V,- n nM Y-- n 

7 b - r. 7 C'd-- t'. - t'. - r. n nf\CI ol n fitq CS - emV: - nP3 CT; - nM - -T: 

mfl ma- OCCO- COCC-- COCO- m03- COOSr. -sj--T- -*-- -*I--- -.;fT-- -*-- -*?-7- 

\Om UlMOs In t.7 0.1 loMC31 WMO‘, mMC3 lAr/-,Cn * - -4- - * - -d- e " e - - n - -C,-ij- n *CDW - -yjM n *V?T~ n -U"iTj- - na.TS. 

cO\Oar. ~GPCIVJ~ -\\CV,p./jL/; n\OMPClcrf -\CMr/;Ln -\\CMV,Ln -GMMIn 

Md-.;j-r.\D'crfC\.;)--G*N-t-\O*N--a.;j-N--'a*N-t--\D*N-- 

T-.MmNNMP\.--Nr/ibt--NMb-T-NI.PIb--Nt.C,r~-.t-t-NMr--- 
Pino austral iano 

Pino de Austria 

Pino de Norfolk 

d?ii-2us douglasiana h4artinez 

Pinus elliotti v. eZZiott6i Engelm. 

Pinus kesiya Royle ex Gordon 

Pinus massoniana 

Pinus merkusii 

Pinus michoacana Mart lnez 

Pinus mont exuma Lamb. 

Pinus oecidentalis Sw, 

Pinus oocarpa var.ochoteranai 

Pinus oocarpa 

Pinus pseudostrobus Lindl. 

Pinus t ),eda L. 

Pithccel lobuim saman (Jacq .) Benth. 

Plantanus oeeidentazis L, 

Plantarum quarundam 

Plumaj illo 

Pomarro sa 

Pomme rose 

Pouteria dictyoneura (Griseb .) Radlk. 

spp. fuertesii (Urban) Cron . Pouteria multifZora (A.DC.) Eyma 

Prestola montana (R. Graham) Nichols 

Prieto 

Pr imavera 

Prunus oceidentalis Sw. 

Pterocarpus officinalis Jacq. 

Puerto Rico palmetto 

Raintree 

Red manj ack 

Rhizophora mangle L . Rhizophora mangle var . sarnoensis I-lochr . Rhizophora samoensis (Hochr .) Salvoza 

Roble 

Roble blanco 

Roble de costa 

Roble de mona 

Roble prieto 

Roble de yugo 

Rose apple 

Roseodendron donne2 E -smithii 

(Rose) Miranda 

Roseta 
me m 

\ON M 

Me TI- at-- bcn 

cn m h hp.J 

\O CC N t--* 

NN d. 

d.r- b 

'Q 

- h h Ap. 

Mr--.EP, Nr-eP- aQr"ru.2 a 

"rf * h hmrr-Tj-CJcnCbN 

rf0y.)N.;j.t--- 

MMQ-a- n 

hhhhhhrn 

h h hhh h nn r" 

a? *m c?.ic‘,cn 0s am * ^\o .\Ah Y- 

~nmm mmm LTI u7m1n-~ E--r-.r. 00 T-p.? --.c T- .c-.-rCI\DT- -7- MM 

T-QT- 7-7 - I-l-Nr- .cf- 7- 

h 

hhh hhh h A h h h(V h h ha h h 

m\ocn Cncnm cn cncnam--\O\Orf~~\Oemu! OCOMM 

arfu.2 u.2Q.g \g \O\CY-mCJOTI--.;;ft--Tf-emC=) ~mOO00 

NMN NNN N NN-p.r"r--M-t---I".Y-r---~ NNr--p. 
Tree ferns 

Trumpet tree 

Trumpet wood 

Tul ip6n africano 

Venezuelan mahogany 

Water gregre 

Weinmannia pinnata L. 

West- Indian locust 

West Indies laurelcherry 

West Indies mahogany 

White-cedar 

White mangrove 

Yagrumo 

Yagrumo hembra 

Yarey 

Yarey palm 

Yellow p a l i c o u r e a 

Yellow sanders 
1984. Bibliography of forestry in Puerto Rico. 

U.S.Dept.&ric.,FOr. Serv., Gen. Tech, Rep. SO--51 , 196 p. 

South. For. Exp. Stn., New Ogleans, La. 

Lists 1,357 publications, with annotations and subject and author indexes, 

issued about Puerto Rico's forestry and related activities. Also included 

is an appendix, chronologically listing the forestry highlights from 1513 

through 19 78. 

Oxford: 902:945.4(048.3)(729.5) 

Retrieval Terms: tropical forestry, tropical silviculture, tropical ecology, 

tropical ecosystems, tropical woods, tropical soils, Institute of Tropical 

Forestry, Caribbean National Forest, Puerto Rico 

+ ;, ,.a. c GOVERKME::T PRIXTLXG OFFICE: 1484-769-034:46