[9] Unger, Versuch einer Geschichte der Pflanzenwelt, 1852.
[10] Forbes, On the Connection between the Distribution of the Existing Fauna and Flora of the British Isles, with the Geological Changes which have affected their Area, in 8vo, Memoirs of the Geological Survey, vol. i. 1846.
[11] A. de Candolle, Géographie Botanique Raisonnée, chap. vii. and x.
[12] Ibid., chap. viii. p. 804.
[13] Bretscheider, On the Study and Value, etc., p. 15.
[14] Ibid.
[15] Ibid., p. 23.
[16] Atsuma-gusa. Recueil pour servir à la connaissance de l’extrême Orient, Turretini, vol. vi., pp. 200, 293.
[17] There are in the French language two excellent works, which give the sum of modern knowledge with regard to the East and Egypt. The one is the Manuel de l’Histoire Ancienne de l’Orient, by François Lenormand, 3 vols. in 12mo, Paris, 1869; the other, L’Histoire Ancienne des Peuples de l’Orient, by Maspero, 1 vol. in 8vo, Paris, 1878.
[18] Nemnich, Allgemeines polyglotten-Lexicon der Naturgeschichte, 2 vols. in 4to.