[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.