22 ([return])
[ MM. Gastinel (Bey) and Marie give it per cent.:—
Titaniferous iron . . . .. . . . . . . 86.50 Silica . . . . . . . . . . . . . . . . 10.10 Copper . . . . . . . . . . . . . . . . 3.40 (2 1/2 per cent.) Silver . . . . . . . . . . . . . . . 100.0]
23 ([return])
[ Hence, evidently, the derivation of the "Marwah" hill near Meccah, and the famous "Marwah" gold mine which we shall visit in South Midian. The Arabs here use Jebel el-Mará and Jebel el-Abyaz (plur. Jibál el-Bayzá) synonymously.]
24 ([return])
[ Spon: London, 1875. A book opening a new epoch, and duly neglected.]
25 ([return])
[ So said the engineer. He relied chiefly upon M. Amedée Burat, p. 229, "Géologic Appliquáe" (Paris: Garnier, 1870), who quotes the compte rendu of M. Guillemin, C.E. to the Exposition of 1867. The latter gentleman, who probably did not, like the former, place Mexico in South America, makes the metalliferous lands measure four-fifths of the total surface. I am much mistaken if the same is not the case with Midian.]