[45] [cap.9] [Yonge. 14] And, indeed, this I imagine is evident to every one, that if the earth were to be destroyed, then all land animals of every kind must also perish with it; and if the water were destroyed, all aquatic animals must perish; and in like manner if the air and fire were to be destroyed, all the animals which traverse the air or which are born in the fire must come to an end at the same time.