It must, however, be remarked that the genuineness of this letter, in which Gerbert to some extent foreshadows the temporal claims of Hildebrand and Innocent III., has been hotly contested, and that the original document has long been lost.
Chap. ii., which unmistakably foreshadows Darwin's idea of a struggle for existence, we read: " Among millions of creatures whatever could preserve itself abides, and still after the lapse of thousands of years remains in the great harmonious order.
The national kingdoms founded by the Northern races, after the fall of the Roman Empire, under the influence of the classical tradition, are the beginnings of the modern European system; Philip of Macedon foreshadows Theodoric, Charlemagne and William the Conqueror.
10 The identificaton of the Mal'akh Yahweh with the Logos, or Second Person of the Trinity, is not indicated by the references in the Old Testament; but the idea of a Being partly identified with God, and yet in some sense distinct from Him, illustrates the tendency of religious thought to distinguish persons within the unity of the Godhead, and foreshadows the doctrine of the Trinity, at any rate in some slight degree.
It may be added that a few traces of mammals have been obtained from the English Wealden, among which an incisor tooth foreshadows the rodent type.