26 



GENERAL INDEX TO THE ELEVEN VOLUMES OF 



Iodine, improvement in the smelting of, 

 vii. 232. 



, separation of, from manganese, i. 



72. 



, carbon in, v. 231. 



, arseniate of, vi. 314. 



, bornret of, iv. 233. 



, carbonate of, argillaceous, ii. 459. 



■ -, chromate of, discovered in Shet- 

 land, viii. 226. 



, oxide of, native, ammonia in, ii. 



229. 



, perbromide of, vi. 142. 



, peroxide and protoxide of, a com- 

 bination of them, xi. 147. 



, protoferrocyanate of, i. 72. 



, silicate of, vi. 147. 



, submuriate of, analysis of, viii. 



406. 



, titanate of, xi. 76. 



, meteoric, of Bitburg, ii. 41. 



, from Mexico, ii. 46. 



native, in the United States, ii. 



71 ; iv. 310. 



, slightly arseniuretted, iv. 



73. 



ore, green, analysis of, iii. 234. 



sand and iserine, in Cheshire, i. 



145. 



scales, composition of, ii. 70. 



slag, titaniferous, Prof. Hiiuefeld 



on, iii. 121. 



, spathose, analysis of, ii. 231. 



-. , titanious, x. 188. 



vitriol, red, native, iv. 153. 



Iserine and ironsand in Cheshire, i. 

 145. 



Island, on a new volcanic, xi. 57, 446. 



Isomorphism, H. J. Brooke on, x. 161 ; 

 xi. 21. 



Isoperimetrical polygons, on the great- 

 est area of, xi. 258. 



Isopyre, a new mineral, iii. 70. 



Ivory (James), notes relative to the 

 theory of Barker's mill, iii. 416. 



on the theory of capillary action, 



iii. 1. 



on the figure of the earth, iii. 165, 



206, 241, 343, 431 ; vii. 241, 412. 



argument to prove that the earth 



is a solid of revolution, v. 205. 



on the figure of the planets, in re- 

 ply to M. Poisson, ii. 93, 161, 241, 

 321. 



- on the shortest distance of two 



points on the earth's surface, viii. 30, 

 134. 



Ivory (James) on the method of finding 

 the length of a perpendicular degree, 

 iv. 241. 



on measurements on the earth's 



surface perpendicular to the meridian, 

 iv. 189. 



on the length of a degree perpen- 

 dicular to the meridian, at Beachy 

 Head, iv. 6. 



on the theory of the elliptic tran- 



scendants, x. 225. 



on the equilibrium of fluids, ix. 



185, 206. 



remarks on an article in the Bul- 

 letin des Sciences on the equilibrium 

 of a fluid planet, vi. 272. 



investigation of the heat extricated 



from air when it undergoes a given 

 condensation, i. 89, 165 ; iv. 321 ; v. 

 104. 



on the longitudes of the trigono- 

 metrical survey, iv. 432. 



on deducing the difference of lon- 

 gitude from the latitudes and azimuths 

 of two stations, v. 24, 106. 



on the seconds pendulum at Port 



Bowen, i. 170. 



Prof. Airy, in reply to his statement 



on the attraction of spheroids, i. 442. 



reply to Prof. Airy, ii. 16, 88. 



reply to the Bulletin des Sciences, 



on the attraction of spheroids, iv. 245. 



remarks on a memoir by M. Pois- 

 son, on the attraction of spheroids, i. 

 324. 



theory of the velocity of sound, i. 



249; iv. 321. 



on the elastic force of steam, i. 1. 



J. E. B. on Mr. Lindley's statement 

 relative to Orchidea?, ix. 403. 



Juan Fernandez, geology of, ix. 220. 



J. L. T. on prize chronometers at Green- 

 wich, vii. 12. 



J. S. on generic names in natural hi- 

 story, vi. 348. 



J. W. L., expression for the vibration of 

 a simple pendulum by, iv. 338. 



Jalapia, ii. 462. 



Jaguar, anatomy of the, xi. 461. 



Jamaica, plan for investigating the na- 

 tural productions of, iv. 460. 



Jenyns (Rev. L.) on the bat, v. 227. 



Jet discovered in Wigtonshire, i. 147. 



Journal, Monthly American, of Geology 

 and Natural Science, x. 315. 



Jussieu and Linnaeus, on the systems of, 

 vii. 15, 97, 180. 



