The Africans who came to ancient Greece and Italy participated in an important chapter of classical history. Although evidence indicated that the alien dark- and black-skinned people were of varied tribal and geographic origins, the Greeks and Romans classified many of them as Ethiopians. In an effort to determine the role of black people in ancient civilization, Mr. Snowden examines a broad span of Greco-Roman experience-from the Homeric era to the age of Justinian-focusing his attention on the Ethiopians as they were known to the Greeks and Romans. The author dispels unwarranted generalizations about the Ethiopians, contending that classical references to them were neither glorifications of a mysterious people nor caricatures of rare creatures. Mr. Snowden has probed literary, epigraphical, papyrological, numismatic, and archaeological sources and has considered modern anthropological and sociological findings on pertinent racial and intercultural problems. He has drawn...