Zug, George R., 1938- Herpetology : an introductory biology of amphibians and reptiles / George R. Zug. - San Diego, Calif. : Academic Press, c1993. - xv, 527 p. : ill., maps ; 24 cm. Includes bibliographical references (p. 469-507) and index. ISBN: 0127826203 Subjects--Topical Terms: Herpetology. Dewey Class. No.: 597.6