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

by Sir Charles Lyell

[243-A] Botley Hill, near Godstone, in Surrey, was found by trigonometrical measurement to be 880 feet above the level of the sea; and Wrotham Hill, near Maidstone, which appears to be next in height of the North Downs, 795 feet.

[243-B] My friend Dr. Mantell has kindly drawn up this scale at my request.

[244-A] Fitton, Geol. of Hastings, p. 55.

[244-B] Conybeare, Outlines of Geol., p. 81.

[245-A] Ibid., p. 145.

[245-B] Geol. of Western Sussex, p. 61.

[247-A] See illustrations of this theory by Dr. Fitton, Geol. Sketch of Hastings.

[248-A] Sir E. Murchison, Geol. Sketch of Sussex, &c., Geol. Trans., Second Series, vol. ii. p. 98.

[248-B] See [fig. 94.] [p. 76.]

[251-A] Geol. Soc. Proceed. No. 74. p. 363. 1841, and G. S. Trans. 2 Ser. v. 7.