Index. 



477 



(Jases, specific gravity of, remarks on the 

 influence of moisture in modifying, 38 1 . 



Gates, flood, on a new method of hanging, 

 355. 



Geology of the cliffs at Brighton, remarks 

 on, 187. 



of the eastern part of Yorkshire, 



375. 



of the Isle of Wight, 329. 



Giddy, E. C. Esq. table of meteorological 

 results in Cornwall, 175. 



Granite and syenite, on blocks of, imbed- 

 ded in diluvium, 373. 



Gunpowder, manufacture of, in Ceylon, 

 70. 



H. 



Hanson, Mr. T. meteorological table kept 

 at Manchester for 1821, 371. 



Hearing, organ of, in fishes, anatomical 

 discoveries, respecting, 32 1 . 



Heat, latent examination of the hypothesis 

 of, 16. 



Heaton, Mr. meteorological journal kept 



at Lancaster, 289. 

 . Heavy spar, of Nutfield, analysis of, 393. 



Hellebore, black, analysis of the roots of, 

 393. 



Herapath, J. Esq. tables of temperature, 

 and a mathematical development of the 

 causes and laws of the phenomena 

 which have been adduced in support of 

 the hypotheses of calorific capacity, 

 latent heat, &c. 16 — remarks on Dr. 

 Thomson's paper on the influence of 

 humidity in modifying the specific gra- 

 vity of gases, 419. 



Mr. W. on cadmium, and the 



means of procuring it in quantity, 435. 



Herschel, J. F. W. Esq. on the separation 

 of iron from other metals, 95 — notice of 

 his paper on the aberrations of com- 

 pound lenses and object glasses, 146. 



Historical sketch of electro-magnetism, 

 107. 



Home, Sir E. on the skeleton of the du- 

 gong, 146. 



Hot springs of St. Michael, 315. 



Howard, Mr. R. meteorological tables, by, 

 79, 189,239,319, 399,473. 



Human calculus, large one, 392. 



Hutton, Dr. on the mean density of the 

 earth, 147. 



Hyaenas, account of an antediluvian den 

 of discovered, in Yorkshire, 227. 



Hydrogen, peroxide of, properties of, 41. 



■ gas, arseniuretted, on the pre- 



paration of, 393. 



Ice, on the formation of, on the beds of 



rivers, 187. .•y- .t.. '.* /. '. . : 



Ice, specific gravity of, 392. 



Iceland, account of volcanic eruption 

 in, 401. 



Jewellery, Singalese, 7 1 . 



Influence of humidity in modifying the 

 specific gravity of gases, 302. 



Instruments, stringed, improvements in, 

 151. 



Journal, meteorological, kept at Bushey 

 Heath for 1821, 91. 



. Lancas- 

 ter for 1821, 289. 



Iron, arseniate of, properties of, 209. 



meteoric, analyses of, 77. 



on the separation of, from other 



metals, 95. 



Isle of Wight, on the geology of, 329. 



K, 



Keates, Mr. W. M. on the analysis of 



brass, 325. 

 Kidd, Dr. on the properties of napthaline, 



144. 

 Kinfauns Castle, meteorological table kept 



at, 217. 



L. 



Lampyris noctiluca and splendidula, 



phosphorescence of, 77. 

 Lead, oxide of, specific gravity of, 392. 



quantity of, raised in England, 223. 



sulphuto-tricarbonate of, 154. 



Leases, renewal of, rules for, 12. 

 Lepidolite, analysis of, 464 — red, analysis 



of, 465. 

 Lime, carbonate, on the solution of, 316. 

 of, specific gravity of, 



392. 



specific gravity of, 392. 



■ sulphate of, anhydrous, specific gra- 

 vity of, 392. 

 crystallized, specific 



gravity of, 392. 

 Lucca, on a deposit found in the waters at, 



199. 

 Lunn, Mr. analysis of a native phosphate 



of copper from the Rhine, 1 78. 



M. 



Magnetism, communication of, to iron in 



different positions, 92. 

 Malacolit, analysis of, 104. 

 Manchester, meteorological table kept at, 



371. 

 Marrat, Mr. W. on a new method of 



hanging sluice doors and flood gates, 



355. 

 .— observations on. neutral 



