Index, 



483 



Mercury, freezing point of, ascer- 

 tained by Cavendish, 11. 



Meteorological instruments described 

 by Cavendish, 14. 



Meteorological journal, 79, 159, 239, 

 *241, 319, 399, 477. 



IMeteorological tables by Clarke, 265. 



Mica, 107. 



Micrometer, prismatic, 236. 



, new, by Dr. Wollaston, 



308. 



iMocha stone contains vegetables, 217. 

 Moisture absorbed by various bodies, 

 469. 



IMoon, tables of, 23S. 



Muriate of baryte^, action of, on 



animals, 63. 

 Muriatic acid, experiments on, 206. 

 Murray, C. A. on uiccolanum, 116. 



N. 



Narwal, on the, 223, 382. 

 Negroes, speculations concerning, 

 SS3. 



Nerves, analysis of, 345. 

 New South Wales, account of, 43, 

 120. 



Niccolanum, experiments on, 116. 

 Nicholson, Mr. Matthew, account of 



a remarkable effect of lightning, 



by, 463. 



Nitric acid, composition of, disco- 

 vered by Cavendish, 12, 

 Nitrite of lead, 301. 

 Nitrous gas, discovery of, 92. 



O. 



Ociiil hills, description of, 149. 

 Octahedron, on the bodies having that 



primitive form, 71. 

 Oscillating cohimn, effects of, iSS — 



theory of, 191. 

 Osmazome, 341. 



Overborn, I. on the temperature of 



Stockholm, 1 12. 

 Oxycarbureted hydrogen, 3fU. 

 Oxygen gas, discovery of, 92. 

 Oxymnriatic acid, analysis of, by 



Berthollet, 391 — experiments on, 



206. 



Oxymuriate of lime, analysis of, by 

 Dalton, 15. 



P. 



Paris observatory, 406. 

 Patents, list of,^ 76, 156, 316, 397, 

 4Ta. 



Pearson, Dr. on the black matter in 

 the lungs of old people, 308. 



Pepper, adulteration of, 382. 



Philosophical Transactions for 1812, 

 analysis of, 55, 206. 



Phleum pratense, 66. 



Phlogistic theory defended by Caven- 

 dish, 12. 



Phosgene gas, account of, 56, 



Phosphorana, 215. 



Phosphorane, 215. 



Phosphoric ") acid, composition of, 

 Phosphorous J 216. 

 Phosphorus, on some combinations of, 

 215. 



Plumbane, account of, 60. 



Poisons, actions of, on animals, 61. 



Poisson, M. on the dislributioii of 

 electricity on the surface of con- 

 ductors, 15;. 



Polarization of light explained, 302. 



Pond, Mr. on the obliquity of the 

 ecliptic, 308, 



Prehnite, 106. 



Priestley, Dr. biographical account 

 of, 81. 



Probabilities, analytical theory of, 

 311. 



Prony, M. de, on mechanics, 314. 



Prousf, experiments on gunpowder, 

 by, 67. 



Psidiura polycarpon, 148. 



Putrefaction, whether air be neces- 

 sary to, 145, 



Pyrophorus, nature of, 63, 



Quartz, 102. 



R. 



Rain in Scotland during 1812, 220. 



Ramsay, Mr. W. account of a cast- 

 iron boiler for salts, by, 258. 



Rathbone-place water, analysis of, 

 10. 



Refraction of light, 222, 



Reld C'anney, Dr. lamp to prevent 



explosions in coal-mines, by, 473. 

 Respiration, observations on, 460. 

 Robertson, Dr. H. description of a 



Spanish churn, by, 451. 

 Rochon, M. different memoirs, by, 



235, 



Rocks I'ound Paris described, 196. 

 Rodriguez, Don Joseph, on the 



me;isurcment of the decrees of the 



meridian m England, 207. 



2 



