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

by Sir Charles Lyell

[533] So called from travellers leaving their horses and mules there when they prepare to ascend the cone on foot.

[534] Dufrénoy, Mém. pour servir à une Descrip. Géol. de la France, tom. iv. p. 294.

[535] Descrip. Phys. des Iles Canaries, p. 344.

[536] See Daubeny's Volcanoes, p. 400.

[537] Geol. of American Explor. Exped. p. 359, note. Mr. Dana informed me (Sept. 1852), that an angle of 60° instead of 30°, was given by mistake in his work.

[538] Ibid. p. 354.

[539] Geol. Trans. 2d series, vol. ii. p. 341.

[540] See a paper by the Author on "Craters of Denudation," Quart. Journ. Geol. Soc. 1850.

[541] Dufrénoy, Mém. pour servir, &c. tom. iv. p. 285.

[542] Journal of Science, vol. xv. p. 177.