S., in the Journal of the Anthropological Institute for 1887, p.

336; see also Wallace, Darwinism, London, 1890, chap.

xv; and for a striking summary of the evidence that man lived before the last submergence of Britain, see Brown, Palaeolithic Man in Northwest Middlesex, as above cited.
For proofs that man existed in a period when the streams were flowing hundreds of feet above their present level, see ibid., p.33.As to the evidence of the action of the sea and of glacial action in the Welsh bone caves after the remains of extinct animals and weapons of human workmanship had been deposited, see ibid., p.198.For a good statement of the slowness of the submergance and emergence of Great Britain, with an illustration from the rising of the shore of Finland, see ibid., pp.

47, 48.

As to the flint implements of Palaeolithic man in the high terraced gravels throughout the Thames Valley, associated with bones of the mammoth, woolly rhinoceros, etc., see Brown, p.31.For still more conclusive proofs that man inhabited North Wales before the last submergence of the greater part of the British Islands to a depth of twelve hundred to fourteen hundred feet, see ibid., pp.