—, Appalachian chain in, W. E. A. Aikin, xxvi, 219.f
—, notice of the Geological Report and Map of, J. T. Ducatel and J. H. Alexander, xxvii, 1; xxx, 393; xxxii, 191.
—, Mastodon longirostris in, xliii, 143.
—, caves in, containing saltpetre, xxvii, 33.
—, coal in, J. T. Ducatel and J. H. Alexander, xxvii, 29.
—, —, chemical analysis of, ibid, xxvii, 31.
—, tertiary fossils of, I. Lea, xxv, 422.
—, infusoria in, xlvi, 137f; xlviii, 201, 330.f
Mason, E. P., micrometric measures of eclipse of the sun, Sept. 1838, xxxv, 174.
—, on some nebulæ, xl, 37.