Note: Contains in part papers presented at the Ninth International Congress of Anthropological and Ethnological Sciences , Enth. Bibliogr. und Index , Some formulations on the prehistory of West Africa , Processes of coastal evolution in West Africa during the Quaternary , The status of Guinea coast paleoarchaeological knowledge as seen from Legon , Excavations at Rim, north-central Upper Volta : a paleoecological study , The origins and domestication of yams in Africa , The Kintampo culture and its place in the economic prehistory of West Africa , Archaeological data on the origins of cultivation in the southwestern Sahara and their implications for West Africa , Comments on the advent of plant cultivation in West Africa , History of crops and peoples in North Cameroon to A.D. 1900 , The Sahara as a center of ceramic dispersion in northern Africa , Archaeology east of the Niger : a review of cultural-historical developments , The Ntereso culture in Ghana , The emergence of iron technology in West Africa, with special emphasis on the Nok culture of Nigeria , The geographic distribution of footed bowls in the Upper and Middle Niger region , Speculations on functions of some prehistoric archaeological materials from Sierra Leone , Research trends in West African history , Prolegomena to the study of the culture history of the Igbo-speaking peoples of Nigeria , An ethnohistorical reconstruction of traditional Igbo society , Old Akyem and the origins of Akyems Abuakwa and Kotuku 1675-1775 , Administration and trade in the Akwamu empire, 1681-1730 , The dynamics and symbolism of Idoma kingship , Gao and the Almoravids : a hypothesis , Timbuktu : a case study of the role of legend in history , The Julas in western Sudanese history : long-distance traders and developers of resources , Slave acquisition and delivery in precolonial Hausaland , Accommodation and assimilation in the landlord-stranger relationship , Some paradoxes of pacification : Senegal and France in the 1850's and 1860's , Changing perspectives on African resistance movements and the case of the Baule peoples , Nation building, ethnicity, and the new imperialism : dilemmas of political development in Liberia , Long-term structural change in the economy of Central Niger