Of the Generation of Animals, How Animals are Begotten, and Whether They are Obnoxious to Corruption.

Those philosophers who entertain the opinion that the world had an original do likewise assert that all animals are generated and corruptible. The followers of Epicurus, who gives an eternity to the world, affirm the generation of animals ariseth from the various permutation of parts mutually among themselves, for they are parts of this world. With them Anaxagoras and Euripides concur:

Nothing dies,
Different changes give their various forms.

Anaximander’s opinion is, that the first animals were generated in moisture, and were enclosed in bark on which thorns grew; but in process of time they came upon dry land, and this thorny bark with which they were covered being broken, they lived only for a short space of time. Empedocles says, that the first generation of animals and pl............