Index, 



477 



Falling star, 76. 



Faraday, IMr, on a compound of iodine 

 and carbon, 15 — on the formation of 

 ammonia, ^2S0. 



Ferre, M. on tlie application of the elec- 

 trochemical theory to chemical phaeno- 

 mena, 26<^. 



Filtering apparatus, 1 1 5. 



Flame, Mr. Davies on, 447. 



Flisk, Rev. P. on the petrifactions of 

 Mount Carmel, 312. 



Fluoborates, l'-23. 



Flnoboric acid, 122. 



Forge scales, M. Berthier on, 130. 



Formations, alluvial, 18. 



• diluvial, 18. 



freshwater, 360. 



Fossil shells, Mx. Dillwyn on their geolo- 

 gical distribution, 225. 



Fowler, Dr. S. on new American minerals, 

 314. 



Freshwater formations, 360. 



G. 



Geoffroy St. Hilaire, M. on the umbilicus 

 of marsupial animals, 235. 



Geology, 18, 54, U9, 154, 225, 229, 

 360,431. 



Giesecke, Sir C. on beryl, 74. 



Gmelin, M. his analysis of latrobite, 235 

 — of lepidolite, 3 1 5 — of helvin, 3 1 5. 



Gold and rhodium, alloy of, M. Del Rio, 

 on, 251. 



Gray, J. E. Esq. on the genus Ursus of 

 Cuvier, 59 — on'the genera of Cinipe- 

 des^ 97 — on Helix hortensis^ and on 

 //. nemorulis^ 152 — on the animal of 

 Argonauta^ 152 — on the animal of 

 Caltjptrcra^ 1 53 — on the genus Plagios- 

 toma, 153 — on the genera of Rtpiiles 

 and Amphibia, 193 — on the teeth of 

 the Koala, 235 — on the synonyma of 

 Anomia and other genera, 241 — on 

 Lamouroux's division of the animal 

 kingdom, 3 1 5 — on the horn of plenty, 

 316 — on the natural disposition of the 

 Mammalia, 337 — on some newly de- 

 scribed British shells, 387 — on the Chi- 

 nese manner of forming artificial pearls, 

 309 — attempt to divide the Ecliinida 

 into natural families, 423 — letter from 

 3Ir. Dillwyn to, 470. 



Greenwich observations, 390. 



H. 



Haloes, light of, 395. 

 Hansteen, Prof, on a falling star seen at 

 mid-day, 76. 



Harlan, Prof, on the circulating system of 

 Saurians, 385 — on the vertebrae of rep- 

 tiles and amphibia, 386. 



Ilaussmann, M. and M. Stromeyer, on 

 seleniuret of lead, 'i^H. 



Hennah, Rev. R. notice of his paper on a 

 cave in the Plymouth limestone, 149. 



Henry, IM. jun. on the reciprocal action of 

 hydrosulphuric acid and carbonic acid 

 on the carbonates and hydrosulphates, 

 381. 



Hcrapath, Mr. on a mathematical solu- 

 tion, 154. 



Herries, Mr. J. his suggestions for an im- 

 proved construction in the air-pump, 

 301. 



Herschell, J. F. W. Esq. notice of his pa- 

 per on the serpentine of Predazzo, 150. 



Herschelite, a new mineral, 3G1 . 



Home, Sir E. abstract of his paper on the 

 axolotl, 228. 



Horsfall, Mr. on Sir H. Davy's mode of 

 protecting the copper of ships, 17. 



Howard, Messrs. their meteorological ta- 

 bles, 79, 159, 239, 319, 399, 473. 



Hydracids, Dr. Berzelius on, 180. 



Hydrate of magnesia, 232. 



Hydrogen gas, Mr. rlainy on its specific 

 gravity, 135 — Dr. Thomson's reply 

 to Mr. Rainy, 352. 



Hygrometer, 47. 



lanthina, Dr. Coates on the float of, 385. 

 Indigo, determination of its value, 73. 

 Iodine and carbon, a compound of, 14. 



J. 



Jamaica, diluvium of, 54. 



K. 



Kingdom, J. Esq. notice of his paper on 



fossil bones, 229. 

 Koala, Mr. Gray on its teeth, 235. 



Latrobite, 235. 



Lava, boracic acid in, ? 384. 



Lead, seleniuret of,, 286. 



' seleniuret of, cobaltiferous, 287. 



with seleniuret of cop- 



per, 288, 289. 



with seleniuret of mer- 



cury, 290. 



