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.