It is difficult to write on a subject which hardly exists, except in the spirit of its practitioners. In the English-speaking world there are no Chairs of Philosophical Anthropology, and courses with the title are rare. The philosopher, it seems, has some reason to expect the accusation of poaching in the fields of the "true" anthropologist, or psychologist, or economist, or what-have-you, since he shares the data of their sciences with them.