Fischer, experiments on Butterflies by.
Flowers, K. Goebel on the Biology of.
Flowers, relation of external influences to the production of.
Ford, S.O. and A.C. Seward, on the Araucarieae.
Fossil Animals, W.B. Scott on their bearing on evolution.
Fossil Plants, D.H. Scott on their bearing on evolution.
FRAZER, J.G., on "Some Primitive Theories of the Origin of Man". --various.
GADOW, H., on "Geographical Distribution of Animals". --elsewhere.