BOOK II.--In the second book the different parts of animals are

described. The animals are arranged in various groups, viviparous and oviparous quadrupeds, fish, serpents, birds. The only animals described are those with red blood: the description of the rest being reserved for the fourth book. Their internal organs are also described; and in the course of the book a few animals, as the ape, elephant, and chameleon, are especially noticed.