Shepard_, xxvii, 363^f, 368. ----, St. Lawrence Co., mineralogy and geology of, boulders of Labrador feldspar, &c., near Laurentia, _J. Finch_, xix, 220; --minerals of Hammond, Rossie and Gouverneur, 222, 225; Norfolk iron furnace, 226; Potsdam rocks, 226, 227; steatite at Little York, 228. ----, ----, mineralogy of a portion of, (Gouverneur, Rossie, Fowler iron ores, Wilson ore bed, &c.,) _J. B. Crawe_ and _A. Gray_, xxv, 346. ----, ----, from the Geological Report of _E. Emmons_, xxxvi, 23; --size of the county, and rocks of, veins of granular limestone, 23, 24; lead of Rossie, 24; temperature of wells, 25. ----, ----, Rossie lead mine, xl, 76; xlvi, 28. ----, ----, iron ores of, _L. C. Beck_, xlvi, 25. ----, Suffolk Co., extent of salt marshes of, xxxvi, 16. ----, sulphur springs of, ii, 15; xv, 235; xxxvi, 9; xli, 162. ----, ---- ---- of Avon, xxxvi, 10. ----, ---- ---- ----, analysis of, xxxv, 188. ----, ---- ---- near Massena, St. Lawrence Co., xix, 226. ----, ---- ---- near Buffalo, chemical examination of, xx, 156. ----, ---- ---- along the Hudson, allusion to, viii, 31. ----, ---- ---- near Canandaigua, xxxvi, 10. ----, Sullivan Co., facts relating to diluvial action in, _W. A. Thompson_, xxiii, 243. ----, ----, lead mines, xlvi, 28. ----, Taconic range, section of, to Troy, _C. Dewey_, ii, 246. ----, Troy, geological notice of, iii, 72. ----, ----, gravel near, _A. Eaton_, v, 22. ----, Ticonderoga, graphite of, vi, 178. ----, West Point, geology in the vicinity of, v, 232. ----, ----, fossil infusoria in peat earth, _J. W. Bailey_, xxxv, 118.^f ----, winds of, see _Winds_. New York, packet ship, struck by lightning, xxxvii, 321. New Zealand, extent of, and on the changes of population in, xxxv, 315. ---- ----, volcano in, xx, 381. Newcastle coal field, xxxv, 305. Newellian sphere, xii, 103. Newfoundland, meteorological observations at, xxxviii, 265. Newton's Principia, stereotype edition of, vi, 379. ---- ----, review of, xi, 238; xii, 28, 330; xiii, 311. Niagara and its vicinity, geological features of, iv, 35; xi, 213.^f ----, on the falls of, _H. D. Rogers_, xxvii, 326.^f ---- falls, retrocession of, _J. B. Gibson_, xxix, 204. ---- ----, ----, _G. E. Hayes_, xxxv, 86, 100. ---- ----, remarks on, _J. Hall_, xxxvi, 49. ----, on the pressure of the atmosphere, &c., within the cataract of, _B. Hall,_ xiii, 364. ---- river, volume of, _Z. Allen_, xlvi, 67.^f _Nichols, G. W._, popular notices of Mount Washington, xxxiv, 73. Nickel, a test for potash, xvi, 387. ---- 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.