486 



INDEX. 



Fossil zoology, on, 473 ; fossil plants, 

 475. 



Fox (R. W.), sketch of the granite 

 district near Penryn, 322. 



Fruit, on the structure of, 129. 



Gases, on the law of the diffusion of, 

 175, 269, 351. 



Gauss (Prof.) on terrestrial magnetism, 

 291. 



Geological Society, proceedings of, 147, 

 300,466; anniversary meeting of, 466. 



Geology, Notes on the History of En- 

 glish, 37 ; on recent deposits, 470 ; 

 on tertiary deposits, 472 ; on fossil 

 zoology, 473. 



Graham ( Prof.) on the law of the dif- 

 fusion of gases, 175, 269, 351. 



Granite, mode of working near Pen- 

 ryn, 321, 322. 



Gum, action of chlorine on, 405. 



Gums, analysis of, 234. 



Hall (Sir James), notice of, 137; no- 

 tice of the scientific discoveries of, 

 468. 



Hamilton (Prof.) on aberration in pris- 

 matic interference, 191, 284; reply 

 to, 276 ; Mr. Potter's answer to, 371. 



Hay (Mr.), notices of certain plants 

 of Marocco, 409. 



Heat, on M. Fourier's law of the ra- 

 diation of, 103. 



Heliostat, on a new, 6. 



Hen wood (W. J.) on intersections of 

 mineral veins, 147. 



Herschel (Sir J. F. W.) on a remark- 

 able deposition of ice round the stems 

 of vegetables, 1 10 ; observations on 

 Biela's comet, 222. 



Home, Sir Everard, sketch of his life, 

 136. 



Horizon-sector, on the, 327. 



House-spider, power of, to escape from 

 an insulated situation, 152. 



Hussey's (Rev. T. J.) catalogue of 

 comets, 194, 282, 4.53. 



Hutton's ( W.) observations on coal, 302. 



Hydrogen, preparation of peroxide of, 

 403. 



Ibis, on the sacred, 231. 



Ice, on a curious deposition of, round 

 the stems of vegetables, 110; on a 

 stone wall, 190. 



Interference, on aberration in prismatic, 

 191, 276. 



Iodic aether, on, 415. 



Irkoutsk, on the mean temperature of, I. 



Iron, action of sulphurous acid on the 

 persalts of, 75. 



Johnston (J. F. W.) on iodic aether, 

 415. 



Kane (Prof.) on the analysis of some 

 combinations of plat ina, 197. 



Keith (Rev. P.) on living fabrics, 8» 

 120. 



Kinic acid and some kinates, on, 479. 



Kupffer (Prof.) on the temperature of 

 Irkoutsk, 1 ; meteorological observa- 

 tions made at St. Petersburg, 260. 



Lagrange, on the principle of virtual 

 velocities, remarks on, 16. 



Leaf, on the structure of the, 121. 



Light, on certain phaenomena of inter- 

 ference in, 83, 161, 276, 371, 451 ; 

 action of, on the retina, 162; on its 

 passage through a prism, 286; on the 

 phaenomena of, 1 1 2, 207 ; on the in- 

 flexion of, 263, 424 ; on the undula- 

 tory theory of, 360, 419. 



Light-houses, on the improvement of, 

 221. 



Linnaean Society, proceedings of, 67, 

 222, 307, 377. 



Lion, on a claw in the tail of the, 73. 



Living fabrics, Mr. Keith on, 8, 120. 



Lloyd (Rev. H.) on the phaenomena 

 of light, 112, 207. 



Lonsdale (Mr.) on the oolitic forma- 

 tions of Gloucestershire, 300. 



Lunar occultation, for February, 159 ; 

 March, 239; April and May, 319; 

 June, 407 ; July and August, 483. 



Lunar rainbows, on, 317. 



Mackintosh, Sir James, sketch of his 

 life, 138. 



Magnetic electricity, on the theory of, 

 32. 



Magnetic intensity at Paris, &c, obser- 

 vations on, 4. 



Magnetism, on terrestrial, 292. 



Magneto-electricity, on the sensation 

 produced on the tongue by, 152. 



Malic acid, supposed artificial, 236. 



Mantell (Mr. G.) on the remains of the 

 Iguanodon, tkc, 150. 



Marocco, notices of certain plants of, 

 409. 



Maurice (Prof.) on M. Fourier's law of 

 the radiation of heat, 103. 



Mayo and Sligo, on the geology of, 149. 



Measures of Covent- Garden, on the, 

 405, 482. 



Meconine, on, 156. 



Medal-ruling, on an improvement in, 

 288. 



Mercury, observation at Utrecht of the 

 transit of, 379. 



Meteorological journal kept at Pen- 

 zance, 159. 



Meteorological table: — November, 80; 

 December, 160; January, 240; Fe- 

 bruary, 320; March, 408; April, 484. 



Micrometer, on a species of natural, 

 &c, 64! 



Microscopes, lest objects for, 335. 



