[1968] Curr, loc. cit. vol. i. p. 66.
[1969] Cf. Robertson Smith, loc. cit. p. 169; Macdonald, ‘Oceania,’ pp. 184, 192, et seq.
[1970] Kubary, loc. cit. p. 62.
[1971] Robertson Smith, p. 170.
[1972] Heifer, in ‘Jour. As. Soc. Bengal,’ vol. vii. p. 856.
[1973] Virchow, ‘The Veddás of Ceylon,’ in ‘Jour. Roy. As. Soc. Ceylon Branch,’ vol. ix. pp. 355, 369. Hartshorne, in ‘The Indian Antiquary,’ vol. viii. p. 320.
[1974] Virchow, in ‘Jour. Roy. As. Soc. Ceylon Branch,’ vol. ix. p. 370.
[1975] Annamese (Janke, loc. cit. p. 276), Kamchadales (Steller, loc. cit. p. 289, note), Kaniagmuts (Bancroft, loc. cit. vol. i. pp. 81, et seq.).
[1976] Spencer, ‘The Principles of Sociology,’ vol. i. pp. 606, et seq. Huth, loc. cit. pp. 14, &c. Morgan, ‘Systems of Consanguinity and Affinity,’ p. 480. Wilken, ‘Huwelijken tusschen bloedverwanten,’ pp. 24, et seq.
[1977] Mr. Cupples, however, observes that among dogs, the male seems rather inclined towards strange females (Darwin, ‘The Descent of Man,’ vol. ii. p. 294); and I myself have been told by a thoroughly trustworthy person of a stallion that would not approach mares of the same stable. But such instincts seem to be exceptions at least among domesticated animals.