into himself every single form of life, both that of plants and that which is seen in brutes. His nourishment and growth he derives from vegetable life; for even in vegetables such processes are to be seen when aliment is being drawn in by their roots and given off in fruit and leaves. His sentient organization he derives from the brute creation. But his faculty of thought and reason is incommunicable, and a peculiar gift in our nature.… It is not possible for this reasoning faculty to exist in the