Weichert, Charles K. 1902- Elements of chordate anatomy / Charles K Weichert - 2nd ed. - New York : McGraw-Hill, 1959. - 503 p. : ill. ; 24 cm. - McGraw-Hill publications in the zoological sciences . Includes index Subjects--Topical Terms: Chordata Dewey Class. No.: 596 / WEE 1959