the cause of their internally purposive form either Occasionalism or Pre-established Harmony. According to the former the Supreme Cause of the world would, conformably to its Idea, furnish immediately the organic formation on the occasion of every union of intermingling materials. According to the latter it would, in the original products of its wisdom, only have supplied the capacity by means of which an organic being produces another of like kind, and the species perpetually maintains itself; whilst the loss of individuals is continually replaced by that nature which at the same time works towards their destruction. If we assume the Occasionalism of the production of organised beings, all nature is quite lost, and with it all employment of Reason in judging of the possibility of such products; hence we may suppose that no one will adopt this