— in meteoric stones, see [Meteoric.]
—, new antimoniuret of, xxx, 177.
—, white, or deutarseniuret of, from Reichelsdorf, J. C. Booth, xxix, 241.
—, ore, in Connecticut, at Chatham, xxi, 195.
Nicollet, J. N., on the cretaceous formation of the Upper Missouri, xli, 180; xlv, 153.
—, drift not accounted for by the glacial theory, xlv, 323.
—, on the mineral region of Missouri, xlv, 340.
—, obituary of, xlv, 404; xlvii, 139.
Niepce, photographic processes of, xxxvii, 173, 374.
Niger, mouth of, iv, 373.