Ian A. McLaren is Professor emeritus, department of Biology at Dalhousie University, Halifax, Nova Scotia.

• Introduction; 1: Meaning of Density-Dependence and Related Terms in Population Dynamics; 2: Is the Density of Animal Populations Regulated by Mechanisms or by Chance?; 3: Status of the Idea that Weather Can Control Insect Populations; 4: Regulation of Animal Numbers; 5: Effects of Population Density on Growth Rates of Animal Populations; 6: Endocrines, Behavior, and Population; 7: Self-Regulating Systems in Populations of Animals; 8: On Group Selection and Wynne-Edwards’ Hypothesis; 9: The Natural Selection of Self-Regulatory Behavior in Animal Populations; 10: Population Regulation and Genetic Feedback

Ian A. McLaren is Professor emeritus, department of Biology at Dalhousie University, Halifax, Nova Scotia.

• Introduction; 1: Meaning of Density-Dependence and Related Terms in Population Dynamics; 2: Is the Density of Animal Populations Regulated by Mechanisms or by Chance?; 3: Status of the Idea that Weather Can Control Insect Populations; 4: Regulation of Animal Numbers; 5: Effects of Population Density on Growth Rates of Animal Populations; 6: Endocrines, Behavior, and Population; 7: Self-Regulating Systems in Populations of Animals; 8: On Group Selection and Wynne-Edwards’ Hypothesis; 9: The Natural Selection of Self-Regulatory Behavior in Animal Populations; 10: Population Regulation and Genetic Feedback

Ian A. McLaren is Professor emeritus, department of Biology at Dalhousie University, Halifax, Nova Scotia.

• Introduction; 1: Meaning of Density-Dependence and Related Terms in Population Dynamics; 2: Is the Density of Animal Populations Regulated by Mechanisms or by Chance?; 3: Status of the Idea that Weather Can Control Insect Populations; 4: Regulation of Animal Numbers; 5: Effects of Population Density on Growth Rates of Animal Populations; 6: Endocrines, Behavior, and Population; 7: Self-Regulating Systems in Populations of Animals; 8: On Group Selection and Wynne-Edwards’ Hypothesis; 9: The Natural Selection of Self-Regulatory Behavior in Animal Populations; 10: Population Regulation and Genetic Feedback