[21]. Atlantis, p. 37.

[22]. p. 38.

[23]. Atlantis, p. 40.

[24]. Geological Observations, third edition, pp. 268, 269.

[25]. Geological Observations, p. 233.

[26]. Ibid., pp. 232, 233.

[27]. Ibid., p. 599. Also The Earth, vol. II, pp. 646, 647.

[28]. First Book of Physical Geography, R. S. Tarr, pp. 347, 348.

[29]. The World Today, (Magazine), vol. II, no. 1, July, 1902.

[30]. For full description see the magazine entitled "The World To Today," Vol III., No, 1, July 1902.