Simpson, George Gaylord, 1902- The meaning of evolution : a study of the history of life and of its significance for man / by George Gaylord Simpson. - New Haven : Yale University Press, 1952. - 364 p. : il. - Terry lectures . LCCN: 51007331 Subjects--Topical Terms: Evolução (Biologia). Dewey Class. No.: 575