ANNOTATED LIST OF SPECIES 13 Amphibia 14 Caudata 14 Salientia 20 Reptilia 56 Testudines 56 Crocodilia 58 Sauria 59 Serpentes 88 For almost 30 years North American herpetologists have been making extensive collections of reptiles and amphibians in México. Some parts of the country, because of their accessibility, soon became relatively well known; other regions lying off the beaten path were bypassed or inadequately sampled. Principally in the last decade herpetologists have been entering regions from which no collections previously were available in an attempt to fill gaps in known distributions and to discover unknown species of animals. In 1950 Dr. Donald D. Brand led an exploration party…
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