Part I. New England batrachia
Subtitle: their life histories and the natural agencies which may influence their development ; Part II. The influence of external factors on the development of amphibian eggs : a thesis for Zoology 17
By: J.R. Webster
Published: 1930
Language: eng
Number of pages: 100
Subjects: Amphibians; Herpetology
Other titles: New England batrachia.; Influence of external factors on the development of amphibian eggs.
Notes: "A thesis presented for partial fulfillment of examination requirements, U.S. Bureau of Fisheries"--Added t.p.

"The first thesis .. was presented to Prof. Thomas Barbour, director of the Museum of Comparative Zoology of Harvard University. It is a report of investigation [sic] carried on under his direction.... The second thesis ... was presented to Prof. H.W. Rand ... to fulfill a course requirement"--Foreword.

Thesis, Masters--Harvard University, 1930.

13409 1996 September 9

Photograph of Webster and photographs of frogs on Webster's hand in Harvard University Archives (HUP Webster, John Rowe).