^{page 338 note 1} Hull, E. F.K.S., Coal-fields, Quart. Journ. Science, 01, 1864.Google Scholar

^{page 339 note 1} For a World-map of volcanos see Scrope's invaluable work on volcanos; see also Keith Johnston's Physical Atlas.

^{page 340 note 1} In Auvergne, on the side of Mount Denise, near Le Puy, two human skeletons were found, together with bones of Elephas, Rhinoceros, Cervus, etc., imbedded in volcanic matter, showing that man in his early state was in the country prior to the extinction of these craters. (Scrope.)

^{page 341 note 1} The following gaseous and other products have been observed as emanating from volcanos:—

^{page 343 note 1} Boston Academy of Natural Sciences, U.S. America.

^{page 348 note 1} Mesch, Van der Boon, in Lyell's “Principles of Geology,” vol. ii., p. 56.Google Scholar

^{page 348 note 2} Dove, Prof. Witterungs Verhaltnisse yon Berlin, in Tyndall's “Heat as a Mode of Motion,” p. 166.

^{page 349 note 1} A most valuable and interesting account of Vesuvius was read before the Geologists' Association, by the now Honorary Secretary, J. Logan Lobley, Esq., F.G.S., in 1868, giving not only its history, but a description of a personal visit paid during the last eruption. This has since been published in a separate form, by E. Stanford, Charing Cross, with illustrations, and a list of all the minerals both of Somma and Vesuvius.