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The dichotomous keys are supplemented by 257 line illustrations depicting the distinguishing morphological characteristics of salamanders, frogs and toads, turtles, alligators and crocodilians, amphisbaenians (wormlike lizards), lizards, and snakes. The drawings, along with frequent references to the species descriptions, maps, and photographs in the Peterson Field Guide Series, make the key user friendly and increase its appeal to undergraduate and amateur herpetologists.
Author Biography: Robert Powell teaches biology at Avila College in Kansas City, Missouri.
Joseph T. Collins, coauthor of the Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, is the director of the Center for North American Amphibians and Reptiles in Lawrence, Kansas.
Errol D. Hooper, Jr., is a freelance wildlife illustrator.
|A Word to the User of this Key||1|
|A Map Showing the Area Covered by this Key||3|
|Key to the Classes Amphibia and Reptilia||5|
|Key to the Orders of the Class Amphibia||5|
|Key to Families of the Order Caudata (Salamanders)||5|
|Key to Families of the Order Anura (Frogs and Toads)||25|
|Key to Orders of the Class Reptilia||49|
|Key to Families of the Order Testudines (Turtles)||49|
|Key to Families of the Order Crocodylia (Alligators and Crocodiles)||65|
|Key to Suborders of the Order Squamata||67|