[63] Fac. Ment. des Animaux, tom. ii., p. 348.
[64] Darwin, Descent of Man, pp. 84, 85.
[65] Nature, April 10, 1884, pp. 547, 548.
[66] For information on all these points, see Darwin, Expression of the Emotions.
[67] Quoted by Tylor, Early History of Mankind, p. 80.
[68] Burton, City of the Saints, p. 151.
[69] Loc. cit., p. 78.
[70] Sign-language among the North American Indians, &c., by Lieut.-Col. Garrick Mallery (First Annual Report of the Bureau of Ethnology, Washington, 1881).
[71] Mallery, loc. cit., p. 320. The author gives several very interesting records of such conversations, and adds that the mutes show more aptitude in understanding the Indians than vice versâ, because to them “the ‘action, action, action,’ of Demosthenes is their only oratory, and not a heightening of it, however valuable.”
[72] Loc. cit., p. 39.