1Wilson, Leonard G., Charles Lyell. The years to 1841: the revolution in geology (New Haven and London, 1972), p. 278.
2Lyell, Charles, Principles of geology, being an attempt to explain the former changes of the earth's surface by reference to causes now in operation (3 vols., London, 1830–1833), i. 144.
3Rudwick, M. J. S., ‘The foundation of the Geological Society of London: its scheme for co-operative research and its struggle for independence’, The British journal for the history of science, i (1962–1963), 325–55.
4 This general summary of Davy's geological activities is based on the information scattered throughout the two basic biographies: Paris, John Ayrton, The life of Sir Humphry Davy (London, 1831),
and Davy, John, Memoirs of the life of Sir Humphry Davy (2 vols., London, 1836).
5 The archives of the Royal Institution of Great Britain, in facsimile: Minutes of the managers' meetings, 1799–1900 (London, 1971–in progress), iii. 304,
meeting of 18 June 1804; and Paris, John Ayrton, iv. 9, meeting of 11 January 1805.
6The collected works of Sir Humphry Davy, ed. Davy, John (9 vols., London, 1839–1840), viii. 156.
7 Lecture 2. These lectures have never been published and exist in manuscript in the archives of the Royal Institution in London, each in an unpaginated, bound notebook. Lectures 1 to 5 are in the Davy MSS., box 16, and lectures 6 to 10 are in box 17.
9Davy, John, lecture 4.
11Davy, John, lecture 5.
12Davy, John, lecture 9.
13Davy, , op. cit. (4), ii. 140. The letter is dated 28 September.
14 Op. cit. (7), lecture 8.
15Davy, , lecture 5.
16Davy, , lecture 7.
18Rudwick, M. J. S., ‘Hutton and Werner compared: George Greenough's geological tour of Scotland in 1805’, The British journal for the history of science, i (1962–1963), 117–35 (124).
19 Op. cit. (7), lecture 7.
20Rudwick, M. J. S.
21Davy, , op. cit. (4), i. 481. The letter is dated 18 March 1814.
22Davy, , ii. 166. The letter is dated 1 September 1823.
23 Op. cit. (7), lecture 3.
24 Royal Institution, Davy MSS., notebook 15i.
25 Quoted in Davy, John, Fragmentary remains, literary and scientific, of Sir Humphry Davy, Bart (London, 1858), pp. 201–2.
26 Op. cit. (7), lecture 10.
27Collected works of Davy, op. cit. (6), vii. 40–1.
28Davy, John, vii. 41.
29Davy, John, ix. 295.
30Davy, John, ix. 302–3.
31Lyell, Principles, op. cit. (2), i. 145.