REPORTS, ETC. INDEX OF SUBJECTS. 



51 



Iron, rivet-, W. Fairbaim on the tensile 

 strength of, 1856, 415. 



— — , carburets of, Prof. Johnston on, 1831- 

 32, 478. 



■ , peroxalate of. Prof. Johnston on the 



action of light upon, 1831-32, 482. 



• , submuriate of, 1831-32, 483. 



' with silica, and muriatic acid, in mi- 

 neral waters, 1836, 14, 15. 



, protosulphate of, and chloride of ba- 

 rium, heat of combination of, Dr, T. 

 Andrews on the, 1849, 72, 



• ore of Dukhun, 1837, 229, 



, meteoric, phosphorus in, 1849, 33. 



Irrigation in Dukhun, Col, Sjkes on, 1837, 

 272. 



Isoclinal lines, or lines of equal magnetic 

 dip, corresponding to the years 1600, 

 1700, and 1780; 1835, 67, 



and isodynamic lines in Ireland, on 



the, 1835, 150. 



and isodynamic lines in the British 



Islands, General Sabine's memoir on 

 the, 1838, 49. 



Isodimorphism, Prof. Johnston on, 1831-32, 

 433; 1837, 168. 



Isoetaceje, Prof. Henfrey on the reproduc- 

 tion of, 1851, 1 14, 



Isogenic lines, or lines of equal magnetic 

 variation, corresponding to the years 

 1600, 1700, 1744, and 1787 ; 1835, 62. 



Isomerism, Prof, Johnston on, 1831-32, 

 434 ; isomeric bodies, 436. 



Isomorphism of potash and ammonia + two 

 atoms of water, Prof. Johnston on the, 

 1831-32,431. 



, Eev. Dr. Whewell on, 1831-32, 344. 



, on the relation of dimorphism to, by 



Prof. Johnston, 1837, 209. 



, use of, in determining the compositions 



of oxides, &c,, by Prof. Johnston, 1831-32, 

 422 ; 1837, 179 ; its application to mineral 

 compounds, 1831-32, 424. 



Isomorphous bodies, list of, by Prof. John- 

 ston, 1831-32, 425. 



groups, probably dimorphous, 1837, 



171; like forms generally follow like 

 formulae, 172 ; Hke forms with unlike for- 

 mulae, 173; discordant formula, 177. 



— — substances, their action when intro- 

 duced into the blood, by J. Blake, 1843, 

 115; 1845,82; 1846, 27. 



Isopoda, Irish, 1843, 269 ; 1852, 294 ; Bri- 

 tish, list of, 1860, 224. 



Isothermal lines. Prof. J. D. Forbes on, 

 1831-32, 213; 1840, 55. 



lines of the globe, remarks by Prof. 



H. W. Dove on his maps of the, 1848, 

 85. 



Jerrard's (G-. B.) method for transforming 

 and resolving equations of elevated de- 

 grees, Sir W. E. Hamilton on, 1836, 

 295. 



Johnston's seismic map, on, 1858, 45. 



Juno, planet, discovery of, 1831-32, 157. 



Kakodyl, chloride of, 1859, 4. 



Kanga, Mangree, and Gien languages, 1847, 



Kater's vertical collimator, 1831-32, 134. 

 Kellia, ^gean, Prof. E. Forbes on the, 



1843, 142, 192. 

 Kimmeridge clay, large emydian from the, 



1841, 168. 

 Knoblauch's researches on radiant heat, 



Eev. Prof. Powell on, 1854, 342, 

 Kyanized timber, E. Mallet on, 1843, 17. 



Labridse of North America, Sir J, Eichard- 



son on the, 1836, 208, 212. 

 of Ireland, 1840, 389; British, 1844, 



302. 

 of New Zealand, Sir J. Eichardson 



on the, 1842, 24, 

 of the China and Japan seas. Sir J. 



Eichardson on the, 1845, 255. 

 of the London clay, Prof. Agassiz on 



the, 1844, 291. 

 Labyrinthodon leptognathus, fossil, Prof, 



Owen on the, 1841, 183; L. salaman- 



droides, 183; L. ventricosus, 183; L, 



pachygnathus, 186; L. scutulatus, 188. 

 Labyrinthodontia, fossil, Prof. Owen on the, 



1859, 158. 

 Lacaille's stars, reports on the reduction of, 



1839, 171; 1840,427; 1841, 327; 1842, 

 205; 1845, 339; 1847, 379. 



Lacertilia, fossil. Prof. Owen on the, 1841, 



144; 1859, 165, 

 Lactic acid, 1831-32, 525 ; 1859, 5. 

 Lffimodipoda, C. Spence Bate on the, 1855, 



19. 



, British, 1860, 224. 



Lagrange's Hmit of the number of roots of 



a congruence, 1859, 235. 

 Lakes, Dr. Daubeny on the water of, 1836, 6. 

 , J. F. Bateman on the supply of water 



from, 1855, 77. 

 Lalahde's catalogue of stars, reports on 



the reduction of, 1838, 316; 1839, 174; 



1840, 426; 1841, 330; 1842, 205; 1845, 

 339; 1847, 379- 



Lamellibranchiata, Irish, 1843, 260; 1852, 

 293; 1857, 105-110, 221; 1859, 117. 



of the Mgeaxi Sea, 1843, 142, 145, 156, 



158, 159, 161, 163, 165, 166, 168, 191. 



' , British, taken in the dredge, Prof. E. 



Forbes on, 1850, 205, 230, 259. 



, South European, 1850, 264. 



of the West coast of North America, 



P. P. Carpenter on the, 1856, 299. 



, British, list of, compiled by E. M 'An- 

 drew, 1860, 220. 



, list of, for local museums, 1855, ti6. 



Lamnidte of the Sea of Japan, Sir J. Eich- 

 ardson on the, 1845, 195, 317. 



Lament's inclinometer, 1842, 9. 



Language, Egyptian, Dr. C. C. J. Bunsen 

 on the, 1847, 254, 291. 



, Celtic, importance of the study of the, 



as exhibited.by the modern Celtic dialects, 

 by Dr. C. Meyer, 1847, 301. 



e2 



