[172] Id., ibid.
[173] Houzeau, Facultés mentales des animaux, t. Ier. p. 282.
[174] Darwin, Descent of Man, p. 270.
[175] Id., ibid. p. 282.
[176] Dalton, Ethn. Bengal, p. 289.
[177] De bello Gallico, v. p. 14.
[178] Berthelot, Mém. Soc. Ethn., pp. 121, 125, 155, 186, 210.
[179] Radiguet, Derniers Sauvages, p. 180.
[180] Dalton, loc. cit., pp. 33-36.
[181] Schortt, Trans. Ethno. Soc. (New Series), vol. viii. p. 240.