[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.