[134] "Origin of Species," 5th edition, p. 354.

[135] See his address to the Geological Society, on February 19, 1869.

[136] See Nature, vol. i. p. 399, February 17, 1870.

[137] Ibid. vol. i. p. 454.

[138] "Habit and Intelligence," vol. i. p. 344.

[139] "Habit and Intelligence," vol. i. p. 345.

[140] "Origin of Species," 5th edition, p. 353.

[141] "Origin of Species," 5th edition, p. 381.

[142] "Origin of Species," 5th edition, 1869, p. 463.

[143] See his Catalogue of Acanthopterygian Fishes in the British Museum, vol. iii. p. 540.