Darwin, and After Darwin, Volume 2 of 3 / Post-Darwinian Questions: Heredity and Utility

by George John Romanes

[151] Darwinism, p. 132.

[152] Darwinism, p. 142.

[153] Life and Letters, vol. iii. p. 161.

[154] Life and Letters, vol. iii. p. 158.

[155] It must be observed that Darwin uses this word, not as Mr. Wallace always uses it (viz. as if correlation can only be with regard to adaptive characters), but in the wider sense that any change in one part of an organism—whether or not it happens to be an adaptive change—is apt to induce changes in other parts.

[156] Origin of Species, pp. 157-8.

[157] Ibid.

[158] Origin of Species, pp. 157-8.

[159] Descent of Man, p. 615.

[160] Ibid.