[68] "The Glacial Nightmare and the Flood," pp. 426-479.
[69] "Manual," pp. 484, 524-5.
[70] Op. cit., pp. 434-5.
[71] Id., p. 45.
[72] "Island Life," pp. 182, 195-6; "Nightmare," pp. 455-6.
[73] "Historical Geology," p. 76.
[74] "Manual," p. 997.
[75] p. 225, Edition of 1875.
[76] See Dana's "Manual," pp. 945, 977; also "The Glacial Nightmare," pp. 45-2, 511, etc.
[77] "Great Ice Age," p. 129; "Nightmare," p. 473.