. "traits (Thorne & Macumber,1972). 14C dating of bone apatite, shell and charcoal fragments suggested that the Kow Swamp people lived 15???9 ka ago. (Thorne & Macumber,1972; Thorne, 1975; Wright, 1975; Macumber, 1977) Various theories have been promoted to explain the robusticity of the Kow Swamp people and in particular their relationship to the more gracile, yet" . . .