Climate and Time in Their Geological Relations / A Theory of Secular Changes of the Earth's Climate

by James Croll

[236] Phil. Mag. for August, 1864.

[237] “Elementary Geology,” p. 399.

[238] “The Past and Present Life of the Globe,” p. 102.

[239] “Memoirs of the Geological Survey,” vol. ii., Part 2, p. 404.

[240] “Coal Fields of Great Britain,” p. 45. Third Edition.

[241] “Journal of Researches,” chap. xiii.

[242] “Coal Fields of Great Britain,” p. 67.

[243] See “Smithsonian Report for 1857,” p. 138.

[244] Quart. Journ. Geol. Soc., May, 1865, p. civ.

[245] “Geology of Fife and the Lothians,” p. 116.