Darwin, Charles, 1809-1882.

On the origin of species / A facsim. of the 1st ed., with an intr od. by Ernst Mayr. - Cambridge : Harvard University Press, 1964. - xxvii, ix, 502 p. : 1 illus., port. ; 22 cm.

Includes bibliographical references : p. 491-495.

63-017196


Evolution (Biology)
Natural selection.

575.0162 DAR