Simpson, George Gaylord . 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 , 1967. - xiv,369p. : pictures ; 21cm . Includes index ISBN: 0300009526 USD 9.95 Subjects--Index Terms: MAMMALIA Dewey Class. No.: 599.938 / SIM/M