[10] Spencer and Gillen, Northern Tribes of Central Australia, p. 619.

[11] Turner’s Samoa, p. 285.

[12] Op. cit., p. 579.

[13] Primitive Marriage, ch. ii.

[14] Descent of Man, 2nd ed., pp. 595-604.

[15] Parerga and Paralipomena, B. II, Kap. 27.

[16] A Naturalist in Nicaragua, ch. xi.

[17] Op. cit., p. 57.

[18] Natural Selection, pp. 195-7.

[19] Naked races of dogs have also been reported to exist in China, Manila and South Africa; but I can learn no particulars of them.