Hirata, S., Morimura, N. and Matsuzawa, T. 1998. Green passage plan (tree-planting project)
and environmental education using documentary videos at Bossou: a progress report. Pa n
Africa News, 5 (2), 18–20.
Hladik, C.M. and Simmen, B. 1996. Taste perception and feeding behavior in non-human
primates and human populations. Evol. Anthropol., 5 , 58–71.
Homsy, J. 1999. Ape tourism and human diseases: how close should we get?International
Gorilla Conservation Programme, Nairobi.
Hosaka, K. 1995. Epidemics and wild chimpanzee study groups. Pan Africa News, 2 , 1–4.
Hosaka, K., Nishida, T., Hamai, M., Matsumoto-Oda, A. and Uehara, S. 2001. Predation of
mammals by the chimpanzees of the Mahale Mountains, Tanzania. In All creatures great and
small, Vol. 1: African apes(ed. B.M.F. Galdikas, N.E. Briggs, L.K. Sheeran, G.L. Shapiro
and J. Goodall), pp. 107–30. Kluwer Academic, New York.
Howard, P. 1991. Nature conservation in Uganda’s tropical forest reserves. IUCN, Gland and
Cambridge.
Howard, P., Davenport, T. and Matthews, R. 1996. Budongo Forest Reserve: Biodiversity
Report. Forest Department, Kampala.
Huffman, M. 1990. Some socio-behavioral manifestations of old age. In The chimpanzees of the
Mahale Mountains: sexual and life history strategies(ed. T. Nishida). University of Tokyo
Press, Tokyo.
Huffman, M. 1997. Current evidence for self-medication in primates: a multidisciplinary
perspective. Yearbook Phys. Anthropol., 40 , 171–200.
Huffman, M. 2001. Self-medicative behavior in the African great apes: an evolutionary
perspective into the origins of human traditional medicine. BioScience, 51 , 651–61.
Huffman, M.A., Gotoh, S., Izutsu, D., Koshimizu, K., and Kalunde, M.S. 1993. Further
observations on the use of the medicinal plant,Vernonia amygdalina(Del), by a wild
chimpanzee, its possible effect on parasite load, and its phytochemistry. Afr. Study. Mon.,
14, 227–40.
Huffman, M.A., Page, J.E., Sukhdeo, M.V.K., Gotoh, S., Kalunde, M.S., Chandrasiri, T. and
Neil Towers, G.H. 1996. Leaf-swallowing by chimpanzees, a behavioral adaptation for the
control of strongyle nematode infections. Int. J. Primatol., 17 , 475–503.
Humle, T. and Matsuzawa, T. 2002. Ant-dipping among the chimpanzees of Bossou, Guinea,
and some comparisons with other sites. Amer. J. Primatol., 58, 133–48.
Inagaki, H. and Tsukahara, T. 1993. A method of identifying chimpanzee hairs in lion feces.
Primates, 34 , 107–10.
Isabirye-Basuta, G. 1988. Food competition among individuals in a free-ranging chimpanzee
community in Kibale Forest, Uganda. Behaviour, 105 , 135–47.
Johnson, K.R. 1993. Local use of Budongo’s forest products. M.Sc. thesis, Oxford University,
Oxford.
Johnson, K.R. 1996a. Hunting in the Budongo Forest, Uganda. SWARA, 19 , 24–6.
Johnson, K.R. 1996b. Local attitudes towards the Budongo Forest, Western Uganda. Indig.
Knowl. Develop. Mon., 4 , 31.
Jolly, D., Taylor, D., Marchant, R., Hamilton, A., Bonnefille, R., Buchet, G. and Riollet, G.
- Vegetation dynamics in central Africa since 18,000 yr BP: pollen records from the
References 277