1 Invertebrates. - Limiting similarity in rove beetles (Col. Staphylinidae) of a habitat inland. - Low temperature induced diapause still extant in a tropical parasitoid species. - Cold tolerance in Canadian arctic insects. - Seasonal activity of soil fauna in a phryganic (East Mediterranean) ecosystem. - Comparative studies of orthopteran species adapted to living on the ground and of some strong fliers from the same order. - Adaptation insect plant in Cynipid galls. - Adaptation of gall mites (Acari Eriophyoidea) to live in galls. - Diversity and unity by arthropod galls. An example: The bud galls. - 2 Vertebrates. - Altruism inclusive fitness and evolutionary game theory. - Antipredator adaptations of Salamanders: Evolution and Convergence among terrestrial species. - The inter-nesting intervals of Zakynthos loggerheads. - Reproduction strategies in birds of the tropics. - Nutritionally related metabolic adaptations of carnivores and ruminants. - Superoxide dismutase activity in the rat exposed to extreme environmental conditions. - Adaptations of the reproductive system of rodents to changing photoperiodic conditions. - Endocrine cycles and hibernation in the hedgehog: mechanisms of adaptation to natural variations in the environment. - Comparative mechanisms of physiological metabolical and eco-ethological adaptation to the winter season in two wild European mammals: the European Badger (Meles meles L. ) and the red Fox (Vulpes vulpes L. ). - Author Index. - Systematic Insex. Language: English