Walter, Herbert Eugene Biology of the vertebrates a comparative study of man and his animal allies by Herbert E. Walter and Leonard P. Sayles. - Revised ed. - New York Macmillan Co. 1928. - xxv, 882 p. illus., map. Bibliography: p. 833-835. Subjects--Topical Terms: VertebratesAnatomy, ComparativeVertebrates--Anatomy. LC Class. No.: QL605 / .W3 1949 Dewey Class. No.: 596