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

by Sir Charles Lyell

[623] Darwin, Geol. Proceedings, vol. ii. p. 658.

[624] Dumoulin, Comptes Rendus de l'Acad. des Sci. Oct. 1838, p. 706.

[625] Phil. Trans. 1836, p. 21.

[626] Phil. Trans. 1826.

[627] Darwin's Journ. of Travels in South America, Voyage of Beagle, p. 372.

[628] Biblioth. Univ. Oct. 1828, p. 157.

[629] Phil. Mag. July 1828, p. 37.

[630] Geol. Trans. vol. i. 2d ser., and Journ. of Sci. 1824, vol. xvii. p. 40.

[631] Geol. Trans, vol. i. 2d ser. p. 415.

[632] Journ. of Sci. vol. xvii. p. 42.