The Amphibians and Reptiles of Michoacán, México

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William Edward Duellman. The Amphibians and Reptiles of Michoacán, México

The Amphibians and Reptiles of Michoacán, México

Table of Contents

INTRODUCTION

Acknowledgments

Historical Account

NATURAL LANDSCAPE

Physiography

Climate

Vegetation and Animal Habitats

GEOGRAPHY OF THE HERPETOFAUNA

ANNOTATED LIST OF SPECIES

AMPHIBIA

Caudata

Table 1.—Variation in the Shape of the Supraorbital and Postorbital Cranial Crests in Bufo marmoreus and B. perplexus

PLATE 1

PLATE 2

PLATE 3

PLATE 4

PLATE 5

PLATE 6

Table 2.—Comparison of Certain Measurements and Proportions in Bufo marmoreus and B. perplexus. (Means Are Given in Parentheses Below the Ranges.)

Table 3.—Snout-vent Length Expressed as a Percentage of Tibia Length in Animals of Six Color Patterns of Microbatrachylus pygmaeus. (Letters Refer to the Variants Having the Color Pattern Discussed Immediately Below)

Table 4.—Comparison of Four Characters in Five Samples of Diaglena (All Data Are for Males; Means Given in Parentheses Below Ranges.)

REPTILIA

Testudines

Crocodilia

Table 5.—Comparison of the Ten Species and Subspecies of Cnemidophorus in Michoacán (Scale Counts Are for Specimens from Michoacán Only)

Table 6.—Variation in Scutellation in Thamnophis dorsalis

SPECIES OF QUESTIONABLE OCCURRENCE

GAZETTEER

SUMMARY

LITERATURE CITED

Transmitted April 21, 1961. UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY

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William Edward Duellman

Published by Good Press, 2019

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Table of Contents

In the following pages the 176 species and subspecies of amphibians and reptiles known to occur in the state of Michoacán are discussed in relation to their variation, life histories, ecology, and distribution in the state. Data have been gathered from 9676 specimens. I have not prolonged the accounts of species with information that has been presented elsewhere. Consequently, the length and completeness of the accounts are variable. I have given only the information that I consider a worthwhile contribution to our knowledge of the particular species.

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