[39] Treatise upon Tropical Diseases, p. 43, 44.

[40] Commentaries on Boerhaave's Aphorisms, vol. v. p. 226, 230.

[41] Page [135].

[42] Vol. ii. p. [31].

[43] Vol. [iii]. and [iv].

[44] Alibert's Dissertation sur les Fievres Pernicieuses et Attaxiques Intermittentes, p. 185.

[45] Observations on the Bilious Fevers usual in voyages to the East-Indies, by James Badinach, M. D. Medical Observations and Inquiries, vol. iv.

[46] Clarke on the Diseases of Long Voyages to Hot Climates, p. 123, 125.

[47] M. Savary, in his Travels, says, two hundred persons live in Cairo within a compass that accommodates but thirty persons in Paris.