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.