Index. 



4Wt^ 



to ascend Mont^-Blanc, extract from, 

 33. 



Hanson, Mr. T. meteorological observa- 

 tions, &c. at Manchester, -aQo. 



Hanstein, Prof, analysis of his researches 

 on the magnetism of the earth, 1 39. 



Hare, Dr. on a new galvanic apparatus, 

 theory, &c. .'i'-i9. 



Hatchetine, a new substance found in 

 ironstone, description of, 136. 



Heat, mathematical inquiry into the 

 causes and phaenomena of, "tlS. 



Heaton, Mr, J. results of a meteorological 

 register kept at Lancaster in 1 85iO, by, 

 27 s;. 



Henderson, Dr. on red snow, 43. 



Henry, Dr. analysis of a native carbonate 

 of magnesia, "ib^. 



— . on the aeriform compounds of 



charcoal and hydrogen, 2'<i8. 



Herapath, Mr. J. mathematical inquiry 

 into the causes, &c. of heat, gases, &c. 

 273,340,401. 



Herschel, Mr. J. F. W. on the action of 

 crystallized bodies on homogeneous 

 light, 115, 161 — on the separation of 

 iron from other metals, 389. 



Hop, experimental inquiry into the pro- 

 perties of, 1 94. 



Hope, Dr. remarks on Mr. Phillips's ana- 

 lysis of the Pharmacopoeia Collegii Regii 

 Medicorum, Edinburgensis, 187. 



Howard, Mr. R. meteorological table, by^ 

 74, 159, 239,319,399, 473. 



Hydrocyanate of iron and copper, analysis 

 of, 448. 



' cobalt, analysis 



of, 448. 



Hydrocyanates, ferru^nous, researches 

 intQ the composition of, 219, 301, 433. 



I. 



Jack, Mr. W. account of the island of 



Penang, 7 1 . 

 Indian corn, analysis of, 470. 

 Iodine, carbon and hydrc^en, notice of 



triple compound of, 06. 

 Iron, on the atomic weight of, 247. 

 — — protosulphate oi^ composition of, 



248. 

 on its separation from other metals, 



389. 

 Ironstone, on a new substance found in, 



136. 

 Iridium, reduction of the salts and oxides 



of, 424. 

 Ives, Dr. experimental inquiry into the 



chemical properties, &c. of the hop, 



194. 

 JuHn, M. on a peculiar substance obtained 



during the distillation of nitric acid, 



2 Iftr— notice of minerals from Finland, 



by, 233. 



K. 



Kater, Capt. remarks^on his experimentt 



on the length of the pendulum, 387. ',f 

 notice of a lunar, volcano, 



228. 

 Keates, Mr. on a circumstance attendii^ 



the granulation of copper, 4 69 . 

 Kinfauns Castle, meteorological journal 



kept at, 372. 



L. 



Lassaigne, M. on the application of 



chromate of lead to sUk, &<j. 72^*^* 



on the sulphuret of chrome, 1 53. 

 Lead ore in toadstone, account of, 67, 

 Light, homogeneous, action of crystal^- 



lized bodies on, 1 15, 161. 

 Lime, on the atomic weight of, 6— on thfi 



solution and crystallization of, 1 07. 

 r- quantity of, dissolved by water; 



108. 

 Limestone, remarkable stratum of at 



Calder Side, 23. 

 Log line, on a machine for measuring » 



ship's way by, 113,208. 

 Lupulin, peculiar substance contained in 



the hop, 194. 



M. 



Macculloch, Dr. description of two new 

 substances found in Rum and Mull, 

 151 — on the production of artificial 

 cold, 153. 



remarks on quartz rock, 



67. 



Madaurin's theorem, method of applying, 

 98. 



Magnesia, on the atomic weight of, 8— . 

 native carbonate of, analysis of, i:52. 



native hydrate of, notice of, 



395. 



Magnetic needle, diurnal variation of, at 

 Zwaneburg, in Holland, 205. 



Magnetical and meteoroli^cal observa- 

 tions, summary of observations for three 

 years and nine months, by Col. Beau- 

 foy, 94. 



Magnetimeter, results of experiments 

 made with, 396. 



Magnetism of the earth, on the, 1 29. 



Malvern Hills, geology of, 1 6. 



Manchester, meteorological observation 

 at, 298. 



Manganese, on the preparation of pure 

 salts, and composition of the oxides^^ of, 

 50. 



carbonate o£, compositiint of, 



54. 



249. 



sulphate of, composition of, 

 on the atomic weight o£^ 249. 



