A dichotomous key (that is, one that gives the user only two choices at each level of morphological scrutiny), it is designed for use in college-level herpetolo

This profusely illustrated comprehensive key for identifying amphibians and reptiles from the continental United States and Canada incorporates a wealth of scie

A profusely illustrated comprehensive key for identifying species of amphibians and reptiles from the continental United States and Canada.

Descriptions and illustrations of reptiles and amphibians.

Amphibians and reptiles (herpetofauna) are a significant but much-neglected component of the natural economy of the province of Alberta. The Amphibians and Rept