[918] Darwin, ‘The Descent of Man,’ vol. i. pp. 343, et seq.

[919] Ibid., vol. i. p.  343.

[920] Darwin, ‘The Descent of Man,’ vol. i. p.  344.

[921] ‘Sir R. Heron states that with pea-fowl, the first advances are always made by the female; something of the same kind takes place, according to Audubon, with the older females of the wild turkey’ (ibid., vol. ii. p. 134).

[922] Schoolcraft, loc. cit. vol. iv. p. 86.

[923] Rengger, loc. cit. p. 11.

[924] Moore, loc. cit. p. 261.

[925] Dalton, loc. cit. p. 64. Cf. ibid., pp. 142, 233 (Bhúiyas, Muásís).

[926] Batchelor, loc. cit. p. 324.

[927] Waitz-Gerland, loc. cit. vol. vi. p. 127.