Front Cover; Advances in the Study of Behavior, Volume 20; Copyright Page; Contents; Contributors; Preface; Chapter 1. Social Behavior and Organization in the Macropodoidea; I. Introduction; II. The Macropodoidea: Taxonomy, Morphology, Growth and Reproduction; III. Sociality in the Macropods; IV. Behavioral Interactions: Form and Function; V. Social Organization; VI. The Social Systems of Macropods; VII. Summary; References; Chapter 2. The t Complex: A Story of Genes, Behavior, and Populations; I. Introduction; II. Historical Background; III. The Genetic Structure of the t Complex

IV. t Haplotypes in Natural PopulationsV. Effect of the t Complex on Behavior and Fitness; VI. Behavior and Male Transmission Ratio; VII. Evolution of the t Complex; VIII. Maintenance of t Haplotypes in Wild Populations; IX. Conclusions and Directions for the Future; X. Summary; References; Chapter 3. The Ergonomics of Worker Behavior in Social Hymenoptera; I. Some Preliminaries; II. Functional Approaches to Worker Behavior; III. A Case Study of Individual Behavior; IV. Work Effort and Life Span; V. The Evolutionary Ecology of Work Load in Social Insects; VI. Conclusions and Perspectives

VII. SummaryReferences; Chapter 4. "Microsmatic Humans" Revisited: The Generation and Perception of Chemical Signals; I. Introduction; II. The Chemoemitting System; III. Responses to Chemosignals; IV. Discussion and Conclusions; V. Summary; References; Chapter 5. Lekking in Birds and Mammals: Behavioral and Evolutionary Issues; I. Introduction; II. Patterns in Lek Behavior; III. Behavioral Interactions of Males; IV. Responses of Males to Females; V. Responses of Females to Males; VI. Interactions of Females; VII. Locations of Leks; VIII. Sexual Selection in Lekking Species

IX. Evolutionary Consequences of Age Structure in Lekking SpeciesX. Maintenance of Genetic Variance: The Paradox of the Lek; XI. Evolutionary Scenarios for the Origins of Lekking; XII. Summary; XIII. Scientific Names of Species Mentioned in the Text; References; Index; Contents of Previous Volumes