Frontmatter -- General Editor s Preface -- Preface -- Table of Contents -- INTRODUCTION -- Plant Domestication and Indigenous African Agriculture / HARLAN, JACK R. / WET, J. M. J. DE / STEMLER, ANN -- SECTION ONE: Background Theory -- A Note on the Problem of Basic Causes / PFEIFFER, JOHN E. -- Archaeology and Domestication / HIGGS, ERIC -- SECTION TWO: Background Paleoclimates -- Paleoecological Background in Connection with the Origin of Agriculture in Africa / ZINDEREN BAKKER, ¿. M. VAN -- SECTION THREE: Background Archaeology -- Prehistoric Populations and Pressures Favoring Plant Domestication in Africa / CLARK, J. DESMOND -- Early Crops in Africa: A Review of the Evidence / SHAW, THURSTAN -- Early Food Production in Northern Africa as Seen from Southwestern Asia / SMITH, PHILIP E. L. -- SECTION FOUR: Regional Archaeological Evidence -- Archaeological Data on the Origins of Cultivation in the Southwestern Sahara and Their Implications for West Africa / MUNSON, PATRICK J. -- The Kintampo Culture and Its Place in the Economic Prehistory of West Africa / FLIGHT, COLIN -- History of Crops and Peoples in North Cameroon to A.D. 1900 / DAVID, NICHOLAS -- The Use of Ground Grain During the Late Paleolithic of the Lower Nile Valley, Egypt / WENDORF, FRED / SCHILD, ROMUALD -- SECTION FIVE: Botanical and Ethnographic Evidence -- The Origins and Migrations of Crops in Tropical Africa / PURSEGLOVE, J. W. -- Traditional Systems of Plant Food Production and the Origins of Agriculture in West Africa / HARRIS, DAVID R. -- Social Anthropology and the Reconstruction of Prehistoric Land Use Systems in Tropical Africa: A Cautionary Case Study from Zambia / SCUDDER, THAYER -- The Origins and Domestication of Yams in Africa / COURSEY, D. G. -- African Cereals: Eleusine, Fonio, Black Fonio, Tejf, Brachiaria, paspalum, Pennisetum, and African Rice / PORTÈRES, ROLAND -- Variability in Sorghum bicolor / WET, J. M. J. DE / HARLAN, J. R. / PRICE, E. G. -- The Races of Sorghum in Africa / HARLAN, JACK R. / STEMLER, ANN -- Biographical Notes -- Index of Names -- Index of Subjects