Preface J. E. Fa and D. G. Lindburg; Part I. Biogeography and Evolution: 1. Evolutionary relationships of the Macaques G. A. Hoelzer and D. J. Melnick; 2. Genetic relatedness between populations of Macaca fascicularis on Sumatra W. Scheffrahn and J. R. de Ruiter; 3. Secondary intergradation between Macaca maurus and M. tonkeana, and the species status of M. togeanus J.W. Froelich and J. Supriatna; Part II. Population Biology, Ecology and Conservation: 4. A comparison of ecological strategies of Pig-tailed Macaques, Mandrills and Drills J. O. Caldecott, A. Feistner and L. Gadsby; 5. A comparison of Rhesus Macaques in temperate and tropical environments J. O. Caldecott, A. Feistner and L. Gadsby; 6. Demography and dynamics of Barbary Macaque troops in different habitats N. Menard and D. Vallet; 7. Grouping patterns and group composition in Macaca nigrescens A. Kohlhaas and C. H. Southwick; 8. Socioecological dynamics of Japanese Macaque troop ranging T. Maruhashi, Y. Takahata and H. Takasaki; 9. Riverine refuging by wild Sumatran Long-tailed Macaques (Macaca fascicularis) C. P.van Shaik, A. van Amerongen and M. van Noordwijk; 10. Comparison of provisioned and wild Long-tailed Macaques B. Wheatley, M. Gonder and D. K. Harya Putra; 11. Inter-regional and inter-seasonal variations of food quality in Japanese Macaques N. Nakagawa, T. Iwamoto, N. Yokota and G. Soumah; 12. Population management and viability of the Gibraltar Barbary Macaques J. E. Fa and R. Lind; 13. Eco-ethology of Tibetan Macaques at Mt. Emei, China Q. Zhao; Part III. Mating and Social Systems: 14. Differential reproduction in male and female Barbary Macaques A. Paul and J. Kuester; 15. Reproductive behaviour of captive Lion-tailed Macaques D. J. Lindburg; 16. Sexual behaviour and mating system in wild Pig-tailed Macaques in West Sumatra T. Oi; 17. Determinants of reproductive seasonality in Japanese Macaques L. Fedigan and L. Griffin; 18. Behaviour of mixed species groups of macaques F. D. Burton and L. Chan; 19. The population genetic consequences of Macaque social organisation and behaviour D. J. Melnick and G. A. Hoelzer; 20. Variation in social mechanisms by which males attain the alpha rank among Japanese Macaques D. S. Sprague, S. Suzuki and T. Tsukahara; 21. Life history of females in a wild population of Yaku Macaques D. A. Hill and N. Okaysu; 22. Twenty year social history of a dominant Stumptail Macaque matriline R. Rhine and A. Maryanski; 23. Branch shaking and related displays in wild Barbary Macaques P. T. Mehlman; 24. The interplay of kinship organisation and facial communication in the Macaques A. Zeller; 25. Vocal communication in Macaques M. D. Hauser.