I Introduction. - 1 A Survey on Biological Rhythms. - 2 Methodology. - 3 Data Analysis. - 4 Mathematical Models. - II Daily Rhythms. - 5 Circadian Systems: General Perspective. - 6 Freerunning and Entrained Circadian Rhythms. - 7 Circadian Systems: Entrainment. - 8 Behavioral Rhythms in Invertebrates. - 9 Neural and Endocrine Control of Circadian Rhythmicity in Invertebrates. - 10 Genetics and Development of Circadian Rhythms in Invertebrates. - 11 Vertebrate Behavioral Rhythms. - 12 Internal Temporal Order. - 13 Neural and Endocrine Control of Circadian Rhythms in the Vertebrates. - 14 Ontogeny of Circadian Rhythms. - 15 Adaptive Daily Strategies in Behavior. - 16 Clock-Controlled Orientation in Space. - 17 The Circadian System of Man. - 18 Rhythms in Performance. - III Tidal Lunar and Annual Rhythms. - 19 Tidal and Lunar Rhythms. - 20 Annual Rhythms: Perspective. - 21 Circannual Systems. - 22 Insect Photoperiodism. - 23 Photoperiodism in Vertebrates. - 24 Annual Rhythms in Man. - IV Rhythms Not Directly Related to Environmental Cycles. - 25 Short-Term Rhythms in Activity. - 26 Temporal Characteristics of Sleep. - 27 Cyclic Function of the Mammalian Ovary. Language: English