Note 654 — BOOK II. AN ACCOUNT OF THE WORLD AND THE ELEMENTS. (continued 2)

In a subsequent part of the work, xxxi. 8, our author remarks, “Reatinis tantum paludibus ungulas jumentorum indurari.” We may presume that the water contained some saline, earthy or metallic substance, either in solution, or in a state of minute division, which would produce these effects. It does not appear that anything of this kind has been observed by the moderns in this water.