[1928] Powers, loc. cit. p. 168.
[1929] Egede, loc. cit. p. 147. Cf. Nansen, loc. cit. vol. ii. pp. 291, 297.
[1930] Keating, loc. cit. vol. ii. pp. 153, 170, 171.
[1931] Wallace, ‘Travels on the Amazon,’ pp. 490, 497.
[1932] Mr. Bridges, in a letter.
[1933] Brough Smyth, loc. cit. vol. i. p. xxiv.
[1934] Macdonald, ‘Oceania,’ pp. 186-188.
[1935] Wilken, ‘Verwantschap,’ pp. 25, et seq.
[1936] Hickson, loc. cit. p. 197.
[1937] Buchanan, ‘Journey from Madras,’ p. 738. Bachofen, ‘Antiquarische Briefe,’ pp. 271, et seq. Starcke, loc. cit. p. 83.