Principles of Geology / or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology

by Sir Charles Lyell

[573] Journ. of Roy. Geograph. Soc. vol. i. p. 64.

[574] Hoffman, Geognost. Beobachtungen, p. 701. Berlin, 1839.

[575] Mém. pour servir, &c., tom. iv. Paris, 1838.

[576] Geognost. Beobachtungen, &c. Berlin, 1839.

[577] De Beaumont, Mém. pour servir, &c. tom. iv. pp. 187, 188.

[578] Mém. pour servir, tom. iv. p. 149.

[579] P. 62, supra.

[580] See p. 366.

[581] On the Longevity of Trees, Bibliot. Univ., May, 1831.

[582] Sedgwick, Anniv. Address to Geol. Soc. p. 35. Feb. 1831.