Mayr, Ernst, 1904- Principles of systematic zoology / Ernst Mayr - New York : McGraw-Hill , [1969] - xi, 428 p. : ill., maps, ports. ; 23 cm. Includes bibliographical references p. (381-395 ) and index LCCN: 68-054937 Subjects--Topical Terms: Animals-- Classification. Dewey Class. No.: 591/.01/2