Author: Ruthven, A. G.
Title: Variations and genetic relationships of the garter-snakes.
Description: Washington, DC, Smithsonian Institution, 1908 (23.3 x 14.8 cm)). 8vo. xii, 201 pp., 82 text illustrations, one plate (frontispiece). 20th century blind half cloth over marbled boards. Original printed front wrapper bound in. = A detailed and well-illustrated monograph by the American herpetologist and malacologist Alexander Grant Ruthven (1882-1971) on these North American snakes. This is the Institute's Bulletin 61. Vague stamp on front wrapper, shallow blindstamp on title page, otherwise a very good, clean copy. Rare; bound copies - such as this one - very rare. Adler I, pp. 74-75.

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