Darwinism, Sociology, Evolution and.

Davenport and Cannon, experiments on Daphniae by.

David, T.E., his work on Funafuti.

Delage, experiments on parthenogenesis by.

Descent, history of doctrine of.

"Descent of Man", G. Schwalbe on "The". --Darwin on Sexual Selection in "The". --rejection in Germany of "The".

Desmoulins, A., on Geographical Distribution.

Development, effect of environment on.