On Germinal Selection
As a Source of Definitely Directed Variation. By August Weismann. Translated by Thomas J. McCormack. Pp., xii, 61. Paper, 25c. (1s. 6d.).
“Professor Weismann considers this one of the most important of all his contributions on the evolution problem.... important as marking some fundamental changes in Weismann’s position.”—Science, New York.
“Forms the crown and capsheaf of Weismann’s theory of heredity.”—Exchange.
Butterfly’s Wing from Eimer’s
Orthogenesis.
Illustrating the Definite Character of
Evolution.]