In the following references, L.L.L. indicates the "Life and Letters of Sir Charles Lyell" by Mrs K. Lyell (1881), D.L.L. the "Life and Letters of Charles Darwin" by F. Darwin (1887), M.L.D. "More Letters of Charles Darwin" edited by F. Darwin and A. C. Seward (1903), and H.C.E. Huxley's "Collected Essays." [1] The Darwin-Wallace Celebration, Linn. Soc. (1908), p. 10. [2] Darwin and Modern Science (1909), pp. 152-170. [3] Pope, Essay on Man, Ep. I. lines 111-2. [4] Genesis, Chap. XXX. verses 31-43. [5] Brit. Assoc. Rep. 1900 (Bradford), pp. 916-920. [6] _Ibid._ 1909 (Winnipeg), pp. 491-493. [7] L.L.L. Vol. I. p. 468. [8] Origin of Species, Chap. XV. end. [9] Milton, Paradise Lost, Bk. VII. lines 454-466. [10] Edinb. Rev. LXIX. (July 1839), pp. 446-465. [11] Principles of Geology, Vol. I. (1830), p. 61. [12] Zittel, Hist. of Geol. &c. Eng. transl. p. 72. [13] Quart. Rev. Vol. XLVIII. (March 1832), p. 126. [14] Brit. Assoc. Rep. 1866 (Nottingham). [15] H.C.E. Vol. VIII. p. 315. [16] _Ibid._ p. 190. [17] D.L.L. Vol. II. pp. 179-204. [18] H.C.E. Vol. V. p. 101. [19] D.L.L. Vol. II. p. 190. [20] Edinb. Rev. Vol. LXIX. (July 1839), p. 455 _note_. [21] 'Theory of the Earth,' Vol. II. p. 67. [22] L.L.L. Vol. I. p. 272. [23] Brit. Assoc. Rep. 1833 (Cambridge), pp. 365-414. [24] Outlines of the Geology of England and Wales, p. xliv. [25] Illustrations of the Huttonian Theory, p. iii. [26] Edinb. Rev. LXIX. (July 1839), p. 455 _note_. [27] _Ibid._ [28] Zittel, Hist. of Geol. &c. Eng. transl. p. 141. [29] Considerations on Volcanoes, &c. (1825), pp. iv-vi. [30] Volcanoes of Central France, 2nd Ed. (1858), p. vii. [31] See Quart. Rev. Vol. XXXVI. (Oct. 1827), pp. 437-485. [32] L.L.L. Vol. I. p. 46. [33] Principles of Geology, Vol. II. 2nd Ed. [34] L.L.L. Vol. II. pp. 47-8. [35] _Ibid._ Vol. I. p. 268. [36] Environs de Paris (1811), p. 56. [37] Trans. Geol. Soc. 2nd Ser. Vol. II. pp. 73-96. [38] See Mantell's Geology of the Isle of Wight and L.L.L. Vol. I. pp. 114-122. [39] Hist. of Geol. &c. Eng. transl. p. 188. [40] L.L.L. Vol. I. p. 173. [41] British Critic and Theological Review (1830), p. 7 of the review. [42] L.L.L. Vol. I. p. 177. [43] Preface to Vol. III. of the 'Principles' (1833), p. vii. [44] L.L.L. Vol. I. pp. 233-4. [45] Charles Lyell and Modern Geology (1898), p. 214. [46] Proc. Geol. Soc. Vol. I. p. 374. [47] L.L.L. Vol. I. p. 196. [48] _Ibid._ Vol. I. p. 197. [49] Proc. Geol. Soc. Vol. I. pp. 145-9. [50] L.L.L. Vol. I. p. 253. [51] _Ibid._ Vol. I. p. 234. [52] _Ibid._ Vol. I. p. 271. [53] _Ibid._ Vol. I. p. 270. [54] _Ibid._ Vol. I. p. 271. [55] Quart. Rev. Vol. XLIII. (Oct. 1830), pp. 411-469 and Vol. LIII. (Sept. 1835), pp. 406-448. Both these reviews are by Scrope. The Review of the 2nd Vol. of the 'Principles,' Q.R. Vol. XLVII. (March 1832), pp. 103-132 is by Whewell. [56] L.L.L. Vol. I. p. 270. [57] _Ibid._ Vol. I. pp. 260-1. [58] _Ibid._ Vol. I. p. 314.