[868] A report, in ‘Nya Pressen,’ 1887, no. 339, of a lecture delivered by Professor Vallis at Helsingfors.
[869] ‘Forty-ninth Ann. Rep. Reg.-Gen.,’ p. viii.
[870] Haushofer, loc. cit. pp. 404, et seq.
[871] Ploss, loc. cit. vol. i. p. 384.
[872] ‘Why is Single Life becoming more General?’ in ‘The Nation,’ vol. vi. p. 190.
[873] Walker, ‘Beauty,’ pp. 34, et seq.
[874] Forel, ‘Les Fourmis de la Suisse,’ quoted in Darwin’s ‘Life and Letters,’ vol. iii. p. 191.
[875] Ribot, loc. cit. p. 150.
[876] ‘The Nation,’ vol. vi. p. 191.
[877] Jellinghaus, in ‘Zeitschr. f. Ethnol.,’ vol. iii. p. 367.