Book reviewed in this article:

Bastock, M., und A. Manning., The courtship of Drosophila melanogaster.

Kerkut, G. A., The retraction and protraction of the tube feet of the starfish (Asterias rubens L.)

Simmonds, K. E. L., The nature of the predator-reactions of waders towards humans; with special reference to the role of the aggressive-, escape-and brooding-drives

Chance, M. R. A., und A. P. Mead, Competition between feeding and investigation

Keenleyside, M. H. A., Some aspects of the schooling behaviour of fish

Baerends, G. P., R. Brouwer und H. Tj. Waterholk, Ethological studies on Lebistes reticulatus

Davis, D. E., Social interaction of rats as indicated by trapping procedures

Schmidt, R. S., Termite (Apicotermes) nests — important ethological material

Group processes. Transactions of the first conference

I. Beach, F. A., Ontogeny and living systems

II. Tinbergen, N., Psychology and ethology as supplementary parts of a science of behaviour

III. Lorenz, K., Morphology and behavior patterns in closely allied species

IV. Blauvelt, H., Dynamics of the mother-newborn relationship in goats

V. Lehrman, D. S., The perception of animal behavior

VI. Evans, L. Th., Group processes in the lower vertebrates

Anhang I: Untersuchungen über das Verhalten kämpfender Fische

Lorenz, K., Über das Töten von Artgenossen

Hoffmann, Klaus, Aktivitätsregistrierungen bei frisch geschlüpften Eidechsen