Variations and relationships in the snakes of the genus Pituophis

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U.S. Govt. print. off., 1940 - Animals - 225 pages
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From its wide range and varied habitat, its conspicuous size and pattern, and its abundance the genus Pituophis is probably one of the best-known genera of North American snakes. The purpose of the present study is to define the taxonomy status of the included forms on a structural and geographic basis, to determine their mutual affinities as far as is possible from the available material, and to assemble the accumulated data concerning them.

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Contents

Introduction
1
Pituophis deppei deppei Dumeril and Bibron
25
General conclusions
204

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