[234] Introductory Lecture of February 14, 1870, pp. 24-30, Figs. 1-4. (Churchill and Sons.)
[235] See especially "Animals and Plants under Domestication," vol. ii. chap. xviii.
[236] "Origin of Species," 5th edition, pp. 323, 324.
[237] "Animals and Plants under Domestication," vol. ii. p. 2.
[238] Ibid. p. 25.
[239] Ibid. p. 151.
[240] Ibid. p. 157.
[241] Ibid. p. 158.
[242] "Animals and Plants under Domestication," vol. i. p. 291.
[243] Though hardly necessary, it may be well to remark that the views here advocated in no way depend upon the truth of the doctrine of Spontaneous Generation.