Book reviewed in this article:Greenberg, N.(1976): Thermoregulatory aspects of behavior in the Blue Spiny LizardSceloporus cyanogenysBerryman, J. C., undC. Fullerton(1976): Developmental study of interactions between young and adult Guinea Pigs (Cavia porcellus)Roper, T. J.(1976): Self‐sustaining activities and reinforcement in the nest‐building behaviour of Mice (Sich selbst belohnende Handlungen und Verstärkung beim Nestbau von Mäusen)Baylis, J. R.(1976): The quantitative study of long‐term courtship: I. Ethological isolation between sympatric populations of the Midas Cichlid,Cichlasoma citrinellum, and the Arrow Cichlid, C.zaliosumEmory, G. R.(1976): Aspects of attention, orientation, and status hierarchy in Mandrills (Mandrillus sphinx) and Gelada Baboons (Theropithecus gelada)Kramer, B.(1976): Flight‐associated discharge pattern in a weakly electric Fish,Gnathonemus petersii(Mormyridae, Teleostei)McBride, G.(1976): The study of social organizations (Vorschläge zur Untersuchung von Gesellschaftsordnungen)Baylis, J. R.(1976): A quantitative study of long‐term courtship: II. The comparative study of the dynamics of courtship in two New World Cichlid fishes (Quantitative Untersuchung langfristigen BalzverhaltensLind, H.(1976): Causal and functional organization of the mating behaviour sequence inHelix pomatiaKavanau, J. L., undR. M. Havenhill(1976): Compulsory regime and control of environment in animal behaviour IIICatchpole, C. K.(1976): Temporal and sequential organization of song in the Sedge Warbler (Acrocephalus schoenobaenus)Yom‐Tov, Y.(1976): Recognition of eggs and young by the Carrion Crow (Corvus corone)Dow, M., A. W. EwingundI. Sutherland(1976): Studies on the behaviour of Cyprinodont Fish III. The temporal patterning of aggression inAphyosemion striatumDolisi, C., H. Stora, M. Troendle, C. OzonundJ. L. Ardisson(1976): Comportement de rats conditionnés par paires: Influence du sexeDavies, N. B.(1976): Parental care and the transition to independent feeding in the young Spotted FlycatcherHutchison, J. B., undS. Lovari(1976): Effects of male aggressiveness on behavioural transitions in the reproductive cycle of the Barbary DoveSears, H. F.(1978): Nesting behavior of the gull‐billed Tern (Über das Brutverhalten der LachseeschwalbeDenenberg, V. H. ed.(1972): Readings in the development of behavior (Über Verhaltensentwicklung)Hess, E. H.(1973): Imprinting. Early experience and the developmental Psychobiology (Prägung)Hess, E. H.(1975): Prägung. Die frühkindliche Entwicklung von Verhaltensmustern bei Tier und MenschTimofeeff‐Ressovsky, N. V., N. N. VoroncovundA. V. Jablikov(1975): Kurzer Grundriz̀ der Evolutionsth