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

by James Croll

[172] “Journal of a Boat Voyage through Rupert-Land,” vol. ii., p. 208.

[173] Quart. Journ. Geol. Soc., vol. xi., p. 197.

[174] Explanation Memoir to Sheet 47, “Geological Survey of Ireland.”

[175] Phil. Mag., vol. xxix., p. 290.

[176] “Memoirs of the Geological Survey of India,” vol. i., part i.

[177] Quart. Journ. Geol. Soc., vol. xxvi., p. 514.

[178] Ibid., vol. xxvii., p. 544.

[179] Phil. Mag., vol. xxix., p. 290.

[180] Journal of the Royal Dublin Society for February, 1857.

[181] Quart. Journ. Geol. Soc., vol. xi., p. 519.