Motivation of human and animal behavior : an ethological view / by Konrad Lorenz and Paul Leyhausen ; translated by B. A. Tonkin.

Lorenz, K. The comparative study of behavior.--Leyhausen, P. Introduction to the study of impression. The relationship between drive and will in its significance to educational theory. Theoretical considerations in criticism of the concept of the'displacement movement'. The discovery of relative coordination: a contribution toward bridging the gap between physiology and psychology. A comparison between territoriality in animals and the need for space in humans. On the choice of a sexual partner by animals. Social organization and density tolerance in mammals. On the function of the relative hierarchy of moods (as exemplified by the phylogenetic and ontogenetic development of prey-catching in carnivores). On the natural history of fear. The biology of expression and impression.--Biblio.

Translation of : Antriebe tierischen und menschlichen Verhaltens.