Since first published in 1920, the burden of Black is widely recognized as a major source of education and influence in the field of African history. It includes the cities of Africa, then, that our research is concerned. It is they who bore the "Man in Black" fees. In fact, if the scope of the volume allowed, there would be no difficulty in showing that Africa has fully absorbed within itself every Caucasian and, indeed, all the Semitic invaders too. On the side out for himself ...