Edited sentence: According to Charles Gabriel Seligman apart from relatively late Semitic influence the civilizations of Africa are the civilizations of the Hamites and its history the record of these peoples and of their interaction with two other African stocks: the Negro and the Bushman.In Seligman's words "the incoming Hamites were pastoral 'Europeans' arriving wave after wave, better armed as well as quicker witted than the dark agricultural Negroes"