Neotropical Primates in a Regenerating Costa Rican Dry Forest: A Comparison of Howler and Capuchin Population Patterns Linda Marie FediganKatharine Jack OriginalPaper Pages: 689 - 713
Effect of Male Emigration on the Vigilance Behavior of Coresident Males in White-Faced Capuchins (Cebus capucinus) Katharine M. Jack OriginalPaper Pages: 715 - 732
Shifts in Social Structure of Black Howler (Alouatta pigra) Groups Associated with Natural and Experimental Variation in Population Density Linde E. T. OstroScott C. SilverRobin Brockett OriginalPaper Pages: 733 - 748
Can Concurrent Speed and Directness of Travel Indicate Purposeful Encounter in the Yellow Baboons (Papio hamadryas cynocephalus) of Ruaha National Park, Tanzania? Sharon T. Pochron OriginalPaper Pages: 773 - 785
Primate Innovation: Sex, Age and Social Rank Differences Simon M. ReaderKevin N. Laland OriginalPaper Pages: 787 - 805
Nutritional Aspects of Western Lowland Gorilla (Gorilla gorilla gorilla) Diet During Seasons of Fruit Scarcity at Bai Hokou, Central African Republic M. J. RemisE. S. DierenfeldR. W. Carroll OriginalPaper Pages: 807 - 836
Developmental Aspects of Sexual Dimorphism in Hominoid Canines Gary T. SchwartzDon J. ReidChristopher Dean OriginalPaper Pages: 837 - 860
Book Review: Primate Conservation Biology. By Guy Cowlishaw and Robin Dunbar, University of Chicago Press, Chicago, IL, 2000, xi + 496 pp., $75.00/£47.50 (cloth); $27.50/£17.50 (paper) Karen B. Strier BookReview Pages: 861 - 863
Book Review: On the Move. How and Why Animals Travel in Groups. Edited by Sue Boinski and Paul A. Garber, University of Chicago Press, Chicago, IL 2000, xii + 224 pp., US $95.00 UK £66.50 (cloth); US $35.00 UK £24.50 (paper) Alexander H. Harcourt BookReview Pages: 865 - 867
Book Review: Natural Conflict Resolution. Edited by Filippo Aureli and Frans B.M. DeWaal, University of California Press, Berkeley, CA, 2000, xiii + 409 pp., $65.00/£40.00 (cloth); $24.95/£15.95 (paper) Irwin S. Bernstein BookReview Pages: 869 - 871
Book Review: Songs, Roars and Rituals. Communication in Birds, Mammals and Other Animals. By Leslie J. Rogers and Gisela Kaplan, Harvard University Press, Cambridge, MA, 2000, x + 207 pp., $29.95 (cloth) Charles T. Snowdon BookReview Pages: 873 - 875