[1528] Bock, ‘The Head-Hunters of Borneo,’ p. 216. Cf. Wilkes, loc. cit. vol. v. p. 363; Dalton, loc. cit. pp. 40, et seq. (Nagas of Upper Assam).
[1529] Sibree, loc. cit. p. 251.
[1530] Wilson and Felkin, loc. cit. vol. ii. p. 310.
[1531] Mitchell, ‘Expeditions into the Interior of Eastern Australia,’ vol. i. p. 307.
[1532] v. Humboldt, loc. cit. vol. iii. p. 233.
[1533] Cook, ‘Voyage to the Pacific Ocean,’ vol. ii. p. 161.
[1534] Darwin, ‘The Descent of Man,’ vol. ii. pp. 373, et seq.
[1535] Lumholtz, loc. cit. p. 213.
[1536] Hume, ‘Essays,’ vol. i. p. 268.
[1537] Bancroft, loc. cit. vol. i. p. 227. Cf. Sproat, loc. cit. p. 29; Heriot, loc. cit. p. 348.