A Manual of Elementary Geology / or, The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological Monuments

by Sir Charles Lyell

[435-E] Geol. Trans., 2d series, vol. iv. p. 55.

[439-A] Bulletin, 2d sèrie, iv. 1304.; and Archiac, Hist. des Progrès de Geol., i. 38.

[440-A] Boase on Primary Geology, p. 16.

[441-A] Bulletin, vol. iv., 2d ser., pp. 1318. and 1320.

[441-B] Syst. of Geol., vol. i. p. 157.

[441-C] Ibid., p. 158.

[442-A] Geol. Trans., 1st series, vol. iii. pl. 21.

[442-B] MacCulloch, Geol. Trans., vol. iii. p. 259.

[443-A] Capt. B. Hall, Trans. Roy. Soc. Edin., vol. vii.

[444-A] MacCulloch, Syst. of Geol., vol. i. p. 58.