Aaseng, Nathan

Vertebrates / Nathan Aaseng - N.Y. Watts 1993 - 112 p. illus. - Venture books .

Includes bibliographical references and index

Examines fish, reptiles, mammals and other animals with backbones,noting both their similarities and their differences.

ISBN: 0-531-12551-3

Subjects--Topical Terms:
Vertebrates--