Part I. Introduction: 1. Overview of the biogeography and ecology of the rain forests of eastern Africa S. K. Wasser and J. C. Lovett; 2. The geological evolution of east Africa C. J. Griffiths; 3. Climatic history and forest distribution in eastern Africa J. C. Lovett; Part II. Forest Flora of Eastern Africa: 4. Eastern Arc moist forest flora J. C. Lovett; 5. East African coastal forest botany W. D. Hawthorne; Part III. Forest Fauna of Eastern Africa: 6. Biogeography of the east African montane forest millipedes R. L. Hoffman; 7. The lynyphiid fauna (araneae: lynyphiidae) of the forests in the Eastern Arc mountains N. Scharff; 8. The montane butterflies of eastern Africa R. De Jong and C. E. Congdon; 9. Herpetofauna of the eastern African forests K. M. Howell; 10. The zoogeography of the montane forest avifauna of Eastern Tanzania S. N. Stuart; 11. Mammals in the forests of eastern Africa J. Kingdon and K. M. Howell; 12. Ecology of the Zanzibar Red Colobus Monkey, Colobus badius kirkii (Gray, 1968), in comparison with other red colobines F. A. Omari; 13. The socioecology of interspecific associations among the monkeys of the Mwanihana rain forest, Tanzania: a biogeographic perspective S. K. Wasser; Part IV. Conservation: 14. The conservation of the forest resources of eastern Africa: past influences, present practices and future needs W. A. Rodgers.