"It might also naturally be enquired whether man, like so many other animals, has given rise to varieties and sub-races, differing but slightly from each other, or to races differing so much as they must be classed as doubtful species?" - Charles Darwin, "THE DESCENT of MAN, and Selection in Relation to Sex." Princeton University Press, 1981, Chapter 1, Page 9 ===================== 1 List the 7 general classifications which Darwin is specifying in this question. 2 List the 5 general 'a priori' pre-suppositions which Darwin is predicating his question on. 3 Do you think it is 'natural' to classify human beings according to racial and sub-racial divisions? 4 Do you think it is 'natural' to classify human beings into 'species' whether they are doubtful ones or not? 5 Do you think Darwin was a naturalist, a historian, a scientist or a philosophical racist?