Luck, or Cunning, as the Main Means of Organic Modification

by Samuel Butler

[61a] “Zoonomia,” vol. i. p. 484.

[61b] “Mental Evolution in Animals,” p. 297. Kegan Paul & Co., 1883.

[61c] Ibid., p. 201. Kegan Paul & Co., 1883.

[62a] “Mental Evolution in Animals,” p. 301. November, 1883.

[62b] “Origin of Species,” ed. i. p. 209.

[62c] Ibid., ed. vi., 1876. p. 206.

[62d] “Formation of Vegetable Mould,” etc., p. 98.

[62e] Quoted by Mr. Romanes as written in the last year of Mr. Darwin’s life.

[63a] Macmillan, 1883.

[66a] “Nature,” August 5, 1886.