J. Heinze, Reproductive Conflict in Insect Societies.R. Bshary and J.L. Bronstein, Game Structures in Mutualistic Interactions.T.L. Roth, D.A. Wilson, and R.M. Sullivan, Neurobehavioral Development of Infant Learning and Memory.M.A. Elgar and J.M. Schneider, The Evolutionary Significance of Sexual Cannibalism.R.F. Oliveira, Social Modulation of Androgens in Vertebrates.H. Lachnit, M. Giurfa, and R. Menzel, Odor Processing in Honeybees.G.R. Brown, R.E.A. Almond, and Y. Van Bergen, Begging, Stealing, and Offering.K. Okanoya, Song Syntax in Bengalese Finches.P.G. Wilmer and G.N. Stone, Behavioral, Ecological, and Physiological Determinants of the Activity Patterns of Bees.