Darwin, and After Darwin, Volume 3 of 3 / Post-Darwinian Questions: Isolation and Physiological Selection

by George John Romanes

[45] Loc. cit., p. 43.

[46] Physiological Selection, pp. 348, 389.

[47] Loc. cit., p. 54.

[48] Nature, vol. xliii. p. 410, and vol. xliv. p. 29.

[49] Darwinism, p. 143.

[50] In Appendix to H. M. Stanley's How I found Livingstone, 2nd ed. London, 1872, p. 715.

[51] Animal Life and Intelligence, pp. 98, 99 (1890-1891).

[52] The Factors of Evolution (1891).

[53] Darwinism, p. 151.

[54] Ibid.