30 (Return)
Ibid.
31 (Return)
There has been much speculation in regard to the origin of the saline properties of this water; but the Artesian borings going on while I was in Mexico, I think, sufficiently demonstrate that the earthy bottom of the valley, for hundreds of feet, contains an infusion of carbonate and muriate of soda.
32 (Return)
The atmosphere of Mexico is so intensely dry, that the hygrometer of Deluc frequently descends to 15°.—Humboldt's Essai Politique, vol. ii. p. 110.
33 (Return)
When the Artesian well, in process of construction near my residence, had reached a depth of seventy yards, the water that came up was slightly impregnated with this salt.
34 (Return)
Comércio de Mexico, 1852.
35 (Return)
Essai Politique, vol. ii. p. 61.
36 (Return)
Bernal Diaz, vol. i. p. 338.
37 (Return)
Bernal Diaz, vol. i. p. 31, 32.
38 (Return) > "The Toltecs