Animal species and evolution : an abridgment of animal species and evolution / Ernst Mayr. Mayr, Ernst, 1904- Animal species. Animals Variation. Evolution (Biology) QH371 .M33 591.15 MAA 1970 ed. published under title: Populations, species, and evolution. Includes bibliographical references : p. 675-781. and index. Cambridge : Belknap Press of Harvard University Press, c1963. c1963. 1963 Text xiv, 797 p. : eng