27. In the family of mammals man belongs to the two legged order of animals. Immediately below him comes animals with four legs, — the monkeys, of which a few, like the orangutan, chimpanzee, and the ape, have certain ways like men, so much so that for a long time they have been called wild men of the woods. Like him they walk erect, use a stick, and carry food to their mouths with their hands, which are characteristically human habits.
