Chapters 9-10 (variants)
The term genus is used in three senses: in one sense, as coming from the progenitor, as those descended from Israel are called Israelites; in the second sense, as coming from the place of origin, as those from Jerusalem are called Hieroso-lymites and those from Palestine Palestinians; and, in the third sense, that is called genus which is divided into species. With this last the philosophers are concerned, and they define it by saying that genus is that which is predicated in respect to their common essence of several things which are specifically different.
The term speci