498 



Index, 



Magnesia, carbonate of, orystalllne fhrm 

 of, 378. 



- fluo-silicate of, analysis of, 72. 



■ > ■ ■ method of detecting, 155. 



■ sulphate of, crystaUinc form of, 

 40. 



3Iaier, M. account of a scarce and curious 

 alchemical work of his, 242, 426. 



Itf andell, Rev. B. D. apparatus for pro- 

 curing potassium, 232. 



Map, geological, of the principal moun- 

 tain chains in Europe, 214. 



Mercury, bichloride oi\ crystalline form of, 



• -« chloride of, crystalline form of, 



285. 

 Metals, property which some possess of 



facilitating the combination of elastic 



fluids, 376. 

 JVIeteorological tables kept at Stratford, 



79, 159, 239, 319, 899, 473. 

 Miller, Mr. on the temperature of mines, 



310. 

 Milo, boiling springs of, correction re- 

 specting, 68. 

 — — island, its volcanic origin, 274. 

 Mines, temperature of, 310, 441. 

 Morphia, composition of, 229. 

 * crystalline form of, 1 1 8. 



Mount's Bay, on the submersion of part 



of, 46. 

 Moyle, Mr. on granite veins, 90. 

 Muriatic acid, on the presence of, in the 



atmosphere, 25. 

 Muriate of barytes, composition of, 339. 



- of lime, composition of, 344. 

 — »— of strontia, composition of, 343. 



N. 



Xapthaline, observations on the process of 

 obtaining, 135. 



Nickel, and potash, sulphate of, crystal- 

 line form of, 438 — analysis of, 440. 



*■ sulphate of, crystalline form of, 



437— analysis of, 439. 



" ' and zinc, sulphate of, crystalline 



form of, 439. 



Koton, Mr. register of the rain at Bombay, 



Opossum, on the generation of, 340. 

 Oxalate of ammonia, crystalline form of, 

 374. 



Paper-making, frauds and imperfections 

 in, 68. 



Paris, Dr. and Fonblanque, Mr. classifica- 

 tion of poisons by, 180. 



Patents, new, 77, 158, 23T, 318, 395, 

 472. 



Pearson, Dr. his analysis of James's pow- 

 der, 187. 



Perkins, JMr. notice of his paper on the 

 compressibility of water, air, &c. 66. 



Petersburgh, list of plants found in the 

 neighbourhootl of, 191. 



Phillips, Mr. R. analysis of James's 

 powder, 187 — on ultramarine, and the 

 methods by which its purity may be as- 

 certained, 31 — on the composition and 

 equivalent numbers of certain crystal- 

 lized muriates, 339 — remarks on M. 

 Ix)ngchamp's memoir on the uncertainty 

 of chemical analyses, 289 — on frauds 

 and imperfections of paper-making, 68 

 analysis of the suli)hates of nickel, 439. 



•■ Mr. W. on the cleavage of metal- 



lic titanium, 317— on the occurrence of 

 cleavelandite in certain British rocks, 

 448. 



Phocenic acid, account of, 210. 



Phosphate of ammonia, crystalline form 

 of, 285. 



Phosphates of lead, on the, 7 1 . 



• of soda, crystalline form of, 286. 



■ ' of uranium, 156. - 

 Poisons, classification of, 180. 



Plants, list of, found in the neighbour- 

 hood of St, Petersburgh, 191. 



Platina, ignition of, by hydrogen gas, 464, 

 466. 



■ ' native, on the existence of chrome 

 in, 198. 



Platinum, test of, 397. 



Pond, Mr. on the parallax of a lyrse, 226 



— on the changes which have taken 



place on the declination of some of the 



principal fixed stars, 247. 

 Potash, chromate of, crystalline form of, 



120. 



- ferroprussiate of, crystalline form 

 of, 41. 



and magnesia, sulphate of, crys- 

 talline form of, 41. 



Potassium, apparatus for procuring, 232. 



■ chloride of, discovery of, in the 

 earth, 258. 



• iodide of, preparation of, 69. 

 Powder, James's, analysis of, 187. 

 Powell, Rev. B. appendix to the abstract 



of M. Ramond's instructions for baro- 

 metrical measurements, 355. 



translation of M. Ra- 



mond's instructions for the application 

 of the barometer to the measurement of 

 heights, 95, 162, 259. 



Prevost and Dumas, MM. examination 

 of the blood, 176. 



Prism, account of some experiments with, 

 115. 



Prussian blue, method of distinguishing 

 ultramarine, from, 34. 



