Guide to the study of animal ecology

by Charles C. Adams

Shows the relation of behavior to the local distributions of Planarians.

Wagner, W.

1907. Psycho-biologische Untersuchungen an Hummeln mit Bezugnahme auf die Frage der Geselligkeit im Tierreich. Zoologica (Chun), Bd. XIX, Heft 46, pp. 1-239.

An important study of the behavior of Bombus.

Walter, H. E.

1906. The Behavior of the Pond Snail, Lymnæus Eleodes Say. Cold Spring Harbor Monogr. VI. pp. 35.

Wasmann, E. (Trans.)

1903. Instinct and Intelligence in the Animal Kingdom. A Critical Contribution to Modern Animal Psychology. pp. 171. St. Louis, Mo. From the second and enlarged German edition.

1905. Comparative Studies in the Psychology of Ants and of Higher Animals. pp. 200. St. Louis, Mo. Translated from the revised and enlarged second German edition.

Watson, J. B.