Mayr, Ernst. Methods and principles of systematic Zoology / Ernst Mayr , E. Gorton Linsley and Robert L. Usinger. - London : McGraw-Hill Book Company, c 1953. - 328 p. : ill. ; 24 cm. - McGraw-Hill publication in the geological science. . Includes index. Bibliography : p. 285-299 333 333 Subjects--Topical Terms: Zoology. Dewey Class. No.: 592 / M455m