_Nooney, J._, on the astronomical operations at Pulkova Observatory, xlvii, 88.
Nooth's apparatus, a substitute for, _R. Hare_, i, 410.^f
North America, Report on the Zoology of, xxxi, 343, 356, 376.
North American Medical and Surgical Journal, xviii, 203.
North Carolina, basalt, basaltic dikes ("natural walls") and petrifactions of, _J. Beckwith_, v, 1. ----, natural walls of Rowan, xiv, 242. ----, mining district of western part, _J. Peck_, xxiii, 1.^f ----, origin and character of the low country, _E. Mitchell_, xiii, 336. ----, red sandstone of, _D. Olmsted_, ii, 175. ----, rocks and minerals of, _D. Olmsted_, v, 257. ----, geological survey of, in contemplation, v, 202;--_D. Olmsted's_ Report on the Geology of, noticed, xiv, 230. ----, _J. Dickson_ on the mineralogy and geology of, iii, 1. ----, _T. D. Porter_, ibid, iii, 227. ----, gold, miscellaneous notices of, iii, 3; xvi, 360; xvii, 400; xlviii, 398. ----, ----, large mass of, ix, 9. ----, ---- mines of, _D. Olmsted_, ix, 5; xiv, 237. ----, ----, on the mines of, _C. E. Rothe_, xiii, 201.^f ----, ----, on the region of, _E. Mitchell_, xvi, 1.^f ----, remarks on, _J. Peck_, xxiii, 1.^f ----, ----, on the nature of the deposits of, _F. L. Smith_, xxxii, 130. ----, ----, talcose slate, the rock of, _A. Eaton_, xviii, 50. ----, heights of several mountains in, with remarks on their features, (Table Mountain, Roan, Black, Grandfather, Yeates's Knob, Pilot,) _E. Mitchell_, xxxv, 377. ----, temperature of wells and springs, xxxv, 379.
North magnetic pole, revolution of, around the north pole of the earth, xxix, 352.
North pole and northwest passage, i, 101.
Northern Antiquaries, Society of, xlii, 214.
Northwest passage, and Greenland ice, i, 101. ---- ----, _I. Lea_, x, 138.
_Northrop, B. F._, fluid in hornstone, vii, 283.
_Norton, W. A._, Treatise on Astronomy by, noticed, xxxvi, 197. ----, on the tails of comets, xlvi, 104.^f
_Norton, J. P._, analysis of Sillimanite, xlvi, 382.
Nova Scotia, short notice of the minerals of, xii, 176. ----, mineralogy of, _F. Alger_, xii, 227. ----, geology and mineralogy of, _C. T. Jackson_ and _F. Alger_, xiv, 305, with a map; xv, 132^f, 201; xxii, 167. ----, fossils in the iron ore of, xv, 201. ----, scientific excursions to, from Williams College, with an account of the minerals and geology of, xxx, 330.^f ----, fossils and fossil wood of, xxx, 339.^f ----, grindstones, xv, 148; xxx, 338. ----, coal, bituminous, xv, 149. ----, fossil trees, upright in the coal strata of, xlv, 353. ----, gas, from the coal mine of, xxx, 184. ----, coal and gypsiferous formation of, xlv, 356.