Smith, Hobart Muir

Describes and illustrates 278 species and five hundred subspecies of North American turtles, lizards, snakes, amphisbaenids, and crocodilians, and includes range maps.

An identification guide to North American frogs, salamanders, and other amphibians, with information on physical characteristics, range, evolution, and behavior.

Turtles, lizards, snakes, amphisbaenids and crocodilians are illustrated, described, and located on area maps.