[314] Revue Scientifique (1886), p. 486.
[315] Ibid. (1877), I. 1101.
[316] Origin of Species, c. x.
[317] Genesis of Species, p. 134.
[318] Le monde des plantes avant l'apparition de l'homme, p. vi.
[319] Op. cit., p. 288.
[320] Life of Darwin, ii. 193.
[321] Epistle I—to Pope.
[322] Hibbert Journal, January, 1903.
[323] Order of Nature, p. 239.