CHAPTER II: THE THINKER
[64] To Bates, November 22, 1860, More Letters, vol. I, p. 176.
[65] To Fawcett, September 18, 1861, More Letters, vol. I, p. 195.
[66] More Letters, vol. I, p. 93.
[67] Life, vol. I, p. 40.
[68] Answer to questionnaire, Life, vol. II, p. 355.
[69] Life of Huxley, vol. I, p. 521.
[70] To Wallace, August 28, 1872, Life, vol. II, p. 346.
[71] To Balfour, September 4, 1880, More Letters, vol. II, p. 424.
[72] Beagle Journal, p. 378.
[73] To Wallace, December 22, 1857, Life, vol. I, p. 465.
[74] Journal, March 23, 1853, vol. V, p. 45.
[75] Gray to Canby, July 14, 1874, Gray, Letters, vol. II, p. 649.
[76] Gray to Darwin, July 21, 1863, Gray, Letters, vol. II, p. 509.
[77] Life, vol. I, p. 79.
[78] To Fox, March 24, 1859, Life, vol. I, p. 506.
[79] Life, vol. I, p. 83.
[80] To Hooker, February, 1846, More Letters, vol. I, p. 56.
[81] To Wallace, February 26, 1867, Life, vol. II, p. 276.
[82] Grammar of Science, p. 38.
[83] To Huxley, December 2, 1860, Life, vol. II, p. 147.
[84] To Hooker, November 15, 1855, More Letters, vol. I, p. 84.
[85] To Gray, November 29, 1859, More Letters, vol. I, p. 126.
[86] Beagle Journal, p. 443.
[87] Life, vol. I, p. 83.
[88] Thiselton Dyer, in Life, vol. II, p. 431.
[89] To Gray, 1857, More Letters, vol. II, p. 252.
[90] To Hooker, January 11, 1844, More Letters, vol. I, p. 39.
[91] To Wallace, May 1, 1857, Life, vol. I, p. 454.
[92] To Carpenter, November 19, 1859, Life, vol. II, p. 19.
[93] To Huxley, May 27, 1865, Life, vol. II, p. 228.
[94] Aristotle, Historia Animalium, Book I, chapter VI.
[95] Life, vol. I, p. 126.
[96] To Hooker, April 14, 1855, Life, vol. I, p. 415.
[97] To Hooker, March 26, 1863, More Letters, vol. I, p. 474.
[98] Genetics and Eugenics, p. 181.
[99] De Vries, Species and Varieties, p. 769.
[100] Different Forms of Flowers, p. 156.
[101] To Gray, April 3, 1860, Life, vol. II, p. 90.
[102] Zur Naturwissenschaft, Einzelne Betrachtungen und Aphorismen, section III.
[103] Life, vol. I, p. 121.
[104] To Wiesner, October 25, 1881, Life, vol. II, p. 510.
[105] Life, vol. I, p. 122.
[106] Orchids, p. 208.
[107] To Huxley, November 27, 1859, Life, vol. II, p. 75.
[108] Insectivorous Plants, p. 154.
[109] To Gray, June 8, 1860, More Letters, vol. I, p. 153.
[110] Huxley to Romanes, May 9, 1882, Life of Huxley, vol. II, p. 42.
[111] Huxley to Foster, February 14, 1888, Life of Huxley, vol. II, p. 203.
[112] Huxley to Hooker, March 9, 1888, Life of Huxley, vol. II, p. 204.
[113] Darwiniana, p. 287.
[114] Alexander Agassiz to Gibbs, December 15, 1897, in G. R. Agassiz, Letters and Recollections of Alexander Agassiz, p. 333.
[115] J. J. Stevenson, in Popular Science Monthly, April, 1909, vol. LXXIV, p. 353.
[116] October 2, 1879, Life, vol. II, p. 360.
[117] May 5, 1881, More Letters, vol. II, p. 198.
[118] Descent, p. 606.
[119] September 23, 1868, More Letters, vol. II, p. 85.
[120] August 19, 1868, More Letters, vol. II, p. 84.
[121] To Wallace, April 30, 1868, More Letters, vol. II, p. 77.
[122] To Huxley, June 12, 1867, More Letters, vol. I, p. 281.
[123] Animals and Plants, vol. II, p. 396.
[124] Animals and Plants, vol. II, p. 399.
[125] Life, vol. I, p. 75.
[126] August Weisman, The Evolution Theory (translation Thomson), vol. I, p. 242.
[127] Darwiniana, p. 20.
[128] To Hooker, January 20, 1859, Life, vol. I, p. 499.
[129] Life, vol. I, p. 77.
[130] Vallery-Radot, Pasteur, p. 139.
[131] Life, vol. I, p. 71.
[132] To Lyell, September 20, 1859, Life, vol. I, p. 521.
[133] Life, vol. I, p. 130.
[134] Life, vol. I, p. 117.
[135] July 2, 1860, Life, vol. II, p. 116.
[136] To Lyell, August 1, 1845, Life, vol. I, p. 308.
[137] To Hooker, September 25, 1853, Life, vol. I, p. 400.
[138] Origin, p. 404.
[139] To Hooker, October, 1856, Life, vol. I, p. 443.
[140] To Henslow, Life, vol. I, p. 245.
[141] To Huxley, July 3, 1860, Life, vol. II, p. 117.
[142] Life, vol. I, p. 72.
[143] To Lyell, October 1, 1861, More Letters, vol. II, p. 191.
[144] Zur Naturwissenschaft, Einzelne Betrachtungen und Aphorismen, section III.
[145] To Hooker, December 10, 1866, Life, vol. II, p. 239.
[146] To Hooker, May 2, 1857, Life, vol. I, p. 454.
[147] Darwiniana, p. 246.
[148] To De Candolle, January 14, 1863, More Letters, vol. I, p. 234.
[149] To Hooker, April 1, 1864, More Letters, vol. II, p. 330.
[150] To Hooker, April, 1857, Life, vol. I, p. 450.
[151] To Hooker, March 7, 1855, Life, vol. I, p. 405.
[152] To Hooker, July 30, 1856, Life, vol. I, p. 439.
[153] To Huxley, January 10, 1863, More Letters, vol. I, p. 231.