trilobites, 72f;
Delaware sulphur springs, 73;
sulphuret of iron, 74;
Zanesville, 75f;
cannel coal, 79;
cabinet of the Atheneum at Zanesville, 79;
fossil bones of ovis, &c., 80.f
—, Geological Reports of, noticed, xxxii, 190; xxxiv, 196, 347f; xl, 126.
—, ibid, with extracts, xxxiv, 347;
–extent of coal in, 348, 357;