[122] Quart. Journ. Geol. Soc., xxviii., p. 435.

[123] Brit. Assoc. Report, 1863.

[124] Trans. Glasgow Nat. Hist. Soc., vol. i., p. 115.

[125] Trans. of the Geol. Soc. of Glasgow, vol. iii., p. 133. See also “Great Ice Age,” chaps. xii. and xiii.

[126] Chap. XXIX.

[127] Edin. New Phil. Journ., vol. liv., p. 272.

[128] “Newer Pliocene Geology,” p. 129. John Gray & Co., Glasgow.

[129] “Glacial Drift of Scotland,” p. 67.

[130] “Glacial Drift of Scotland,” p. 12.

[131] See [Chapter IV.]