[153] To Huxley, January 10, 1863, More Letters, vol. I, p. 231.

CHAPTER III: THE DISCOVERER

[154] Historia Animalium, book VIII, chapter XXVIII.

[155] Historia Animalium, book VIII, chapter XXIX.

[156] Beagle Journal, p. 216.

[157] To Hooker, January 11, 1844, Life, vol. I, p. 384.

[158] To Hooker, November, 1844, More Letters, vol. I, p. 43.

[159] To Lyell, October, 11, 1859, Life, vol. II, p. 10.

[160] Greeks to Darwin, p. 156.

[161] Greeks to Darwin, p. 233.