[3] ‘The Quarterly Journal of Science,’ Oct. 1867, p. 486.
[4] M. Rufz de Lavison, in ‘Bull. Soc. Imp. d’Acclimat.,’ Dec. 1862, p. 1009.
[5] ‘Races of Man,’ 1850, p. 315.
[6] ‘Travels in Peru,’ Eng. translat., p. 177.
[7] Youatt on Cattle, 1834, p. 200. On Pigs, see ‘Gardener’s Chronicle,’ 1854, p. 410.
[8] ‘Die Pflanzen der Pfahlbauten,’ 1865.
[9] Morlot, ‘Soc. Vaud. des Scien. Nat.,’ Mars, 1860, p. 298.
[10] Rütimeyer, ‘Die Fauna der Pfahlbauten,’ 1861, s. 30.
[11] Godron,’De l’Espèce,’ tom. i., 1859, p. 368.
[12] ‘Geographie Botan.,’ 1855, p. 989.