—, notice of oriental minerals, xxxiii, 249.

—, ores of iron and manganese in Vermont, iii, 57.

—, waterfall, in the Green Mts., and an excavation in the rocks, vi, 252.

Hall, James, on the crinoidea, xlv, 349.

—, fossils of U. States, general remarks on the distribution of, xlv, 157; xlvii, 117.

—, Paradoxides, species of, xxxiii, 139.f

—, ripple marks and casts of furrows, xlv, 148.

—, sections at Portage, N. Y., xlv, 329.

—, shells, microscopic, from a marl slate, Cincinnati, xlviii, 292.