The Arkansaw traveler., 1885-06-20
Co1piled for rHK ARkAxsAw rRAvUn
 SCIENTIFIC MISCELLANY

During all seasons of the year, i, Is said.
 ihe earth al Yakutsk. Siberia, IS froren ;ror,
 ine cepih of fifty feet 10 ,hat of about m, feet
 inc increase of suicide Is scientifically
 aseroed 10 he fas,ness of modern Iii. n forced education, and 70 the i.creasius diff ea,iy of existence.
 Smallpox vas accurately described by
 khsEes' aa Arabian physician, about as,o A. D' II IS supposed 10 have been introduced
 Into Europe by the Saracens, and l, WAS
 spread widely among the Indians by the
 early explorers of America.
 A remarkable specimen lately erbih-
 lted 10 the London Geological Society was
 6raf'liar make which had partly swallowed a live hRaFd. The iizard had rear,v sYc. Sse1e1 v s=::2s ::s Eey cc:, :A-c-ch .h~
 oody of The snake, when dea1h overlook
 both creatures
 1 The salts of sea-waser, aocord;no .o
 Prof W. C. Williamson. F.. RS
 oe'eo 'hert ey the addition Of citrate of sr.
 yer aa ounce of thai substance conver.,,9
 ha4i P'ni of sea-wa;er into a o-;.k.h,z
 haio- II 's proposed 10 pack citrate ot sil.
 yer 'a the life-boats of ocean going vessels
 for use n ease Of need.
 Vineyards Saved by Earthouak.s
 ha' esF'i 2 Aakes exer; destructive irau-
 cree on the phyloxerA iosec, Of ,he iran. is
 the opinion of :. Eilalongue, who has .oIs
 Inc Paris Academy of Sciences of a vi,ax,,3
 near Ma aga which had apparently been de.
 stFoyeo by lie parasite but which vigorously
 burst into ieai after the recent earthouak.s
 n southern Spain.
 Photograph of the Northern I;,h.. Prof TFomhot, in Norway, has me, vii,
 parma success IF pho,ographing the apro-, ooFea4is, feat which his many fa;lu-es hs- -ec nm to pronounce impossible. Af,-, .,. posing plate for eight and a half rnips,.s he secured negative of aa aurora. b,,, ,h. impression is so very fain, that II canno, bs reproduced as positive
 D'. C E.. Saunders, of the Wes, Hers Medical Association in England. cou,en6s thai eholsrs IS transmitted from one iocal;,y To anotheE bv human agencies ra,her ,L.- climatic causes. Evidence of this is ,bs .e ihat no oIibreak has been known ,o occ,,- ID less lime than il would take a rnas 10 ,raxe' The distance from the nearest place xh.r. ihe disease already existed.
 A Remarkable Product.-Ths seeds ot the hola tree, the highly prired stirnulan, O. the natives Of 4frica, appear to possess ousl. Iues which should give them a comn@,c,. value n civil'Eed countries Mr.T. Chr,s.;. K an English writer on new commercial pIan,s and drugs, asserts that chocolate made wit, M Aoia paste IS ten times as nutritious as tha. naoe with cocoa and that a laborer ea- work all day without fatigue on q sirrIe ep- H taken at breakfas, time
 An Interesting Bud-A living species ef four footed bird, inhabiting the island o Aara]o in the Lower Anazons, was a sho- time ago described by Mir E. N. Brigh.- II is only during infancy that the remarkable N ieafare ot this bird IS seen, the two fore-fee. N aPPearirg early in the 6evelopmer, of ,h embryo and eoaunuing perfectly formed fo, several days after hatching, when they are gradually shed. The zooloeicai name o shis curious creature is Opis,hocona c-;.. taia-
 Mapping the United S.a.es.-Wi,s the present organization of the L ni,ed s,a,.s Geological Survey. according to Mir I. WI Powell, i,s map Of the | aiisi States xii, completed in about twenfy-four years. abos one-hfth of the eountry-exclusire of Alask. having thus far been mapped. Where il. topography and geology are simple, as in II prAiTies and great plains, the sheets of th map are made on scale of aso,ooo, e aoot four miles to the inch farther wes where both structure ard topography s-e more compiler, special districts are made ,o twice this scale, and important mining ds- uleis are drawn much larger: while in |. Il east the more thinly settled sections ,-s given scale of r-rzs GOO, and the nc sensesy populated portions one of 6z or about one mile to the inch. Cpoa II plan the whole of the United States a. Alaska will require not less than Goo shee.sU besides several hundred special maps.
 Plants Under the Electric A.c.-Af.N following up the experiments of Sieme,s & he influence of the electric light on vesx aon, r. F. DeAerain, French investiss,e7 aas recorded these conclusions: The ese rie hght contains rass which are iri arious the greater parf of the rays sept back by transparent glass the eiec,- Ighi contains. on the ether hand. suEcis1 zys usefal 10 vegetation to maintaia the ss plants entirely under its in7uenee for ts md a half months this amoun, of rs<s avs is, however, insufficient so bring 'ourg gerninating plants, or to bring f. 'rosn plants 70 maturity. Some very cario .aeets of ihe naked rays were nc4ed- Ser 'f the plants lost their leaves. some beea1 Potted, weak and unhealthy. others sur-4 black, while m the eases of some elder shr- he nsore exposed leaves were biacfe- md the others rem&irei green The d ines of the upper leaves were ia many cas impressed on those underneath xith rtoa raphie elearaess.