34 



GENERAL INDEX TO THE ELEVEN VOLUMES OF 



Nobili and Antinori (Sig.) on the elec- 

 tro-motive force of magnetism, xi. 

 401 ; their claim to the discovery of 

 magneto-electricity refuted, 466. 



Nbggerath (Prof. J.) on the magnetic po- 

 larity of two rocks of basalt near Niir- 

 burg, &c, viii. 174. 



, Steininger, and Chiadni, on the 



meteoric iron from Mexico, ii. 46. 



Norfolk, East, geology of, i. 277, 346, 

 426. 



North polar distances of stars observed 

 at Greenwich, on the reduction of, ix. 

 335. 



Notation and symbols in chemistry, J. 

 Prideaux on, in reply to Prof. Whe- 

 well, x. 104. 



Noton's (B.) register of the pluviameter 

 at Bombay in 1828, vii. 44. 



Nontronite, a new mineral, iii. 149. 



Novaculite, iv. 387. 



Nucleus of the earth, Rev. J. Chailis on 

 the theory of the compressibility of the 

 matter composing the, as confirmed 

 by what is known of the ellipticities 

 of the planets, x. 200. 



Nummulites in the greensand forma- 

 tion, iv. 235. 



Nyl-ghau, ix. 366. 



Obituary of Mons. N. H. Abel, vii. 77. 



Mr. J. Atkinson, iv. 395. t 



Sir H. Davy, vi. 140. 



Dr. Burney, 310. 



Sir J. E. Smith, iii. 307, 391. 



Mr. T. Tredgold, v. 156. 



M. Vauquelin, vii. 78. 



Dr. Wollaston, v. 74. 



Dr. Young, vi. 140. 



Observatory of Armagh, longitude of 

 the, vii. 225. 



at the Calton-hill, longitude of, v. 



257. 



, royal, at Palermo, ii. 81. 



Obsidian, chrysolite in the cavities of, 

 iv. 66. 



Occupation of Aldebaran by the moon, 

 vii. 66, 223, 390 ; viii. 234, 465. 



, Mr. Squire on the, viii. 245, 



442. 



of stars by the moon, viii. 290 ; 



ix. 156, 238, 318. 



Occultations of stars by the moon, cal- 

 culations for predicting, vi. 336, 410. 



, Prof. Encke on, iv. 409. 



Ocelot, anatomy of the, xi. 461. 



Ochsenheimer's genera of the lepido- 

 ptera of Europe, Mr. Children's abs- 



tract of, iv. 278, 343, 444 ; v. 36, 

 119, 188, 287, 363; vi. 9, 99, 188, 

 286, 321, 451 ; viii. 259. 



Octant, Crow's seaman's, 428. 



Odour exhaled by certain organic re- 

 mains in the diluvium of the Arctic 

 Circle, Mr. Brayley on the, ix. 411. 



Oeynhausen and Dechen on the gra- 

 nite and killas rocks in Cornwall, v. 

 161, 241. 



on Ben Nevis, v, 385. 



Ogilby (Mr.) on marsupial animals, xi. 

 59, 285. 



Oil of croton, effects of, on the eye, ii. 

 463. 



Oils, volatile, separation of, v. 232. 



Oistros, of the ancients, Mr. Bracy 

 Clark on the, iii. 283. 



Oleic and margaric acids, formation of, 

 from fat, i. 143. 



Oltmann's tables for calculating heights 

 by the barometer, iv. 194. 



Ontario, lake, Dr. Bigsby on the geolo- 

 gy of, v. 1, 81,268,339,424. 



-, tide-like wave of, ix. 117. 



Oolite, Mr. Lonsdale on the occurrence 

 of galena in, ii. 234. 



series of England and France, 



distribution of organic remains in, 

 vii. 81, 202, 250, 334; viii. 35, 208. 



Oolitic district of Bath, v. 388. 



Opake objects, microscopical examina- 

 tion of, iv. 429. 



Opium, salt obtained from, ii. 231. 



in solution, Dr. Hare's method of 



detecting, ii. 283. 



, new substance procured from, xi. 



395. 



Optical experiments, vii. 281. 



, Prof. Airy on new, x. 141. 



Optical phsenomena, Dr. Stokes on, vi. 

 416. 



Orang utan, Mr. Owen on the anatomy 

 of, ix. 55, 225; x. 61. 



, Sumatran, i. 213. 



Orchidece, on Mr. Lindley's statement 

 respecting, ix. 403. 



Ordnance survey, stations of, in York- 

 shire and Westmoreland, viii. 4. 



Ores, platinum, analysis of, vi. 146. 



, silver, on the amalgamation of, 



iv. 234. 



Orfila (M.) on Smithson's mode of de- 



O tecting mercury, vi. 394. 

 rganic life, development of, ix. 33. 



Organic matter, active molecules in, vi. 

 161. 



