380 



INDEX. 



D'Aubuisson on the discharge of air from 



orifices, 162. 

 Dead Sea, analysis of its waters, 374. 

 Decandolle, Professor, on the animal 

 which dyed red the Lake of Morat, 307, 

 —on the Lenticellae, 367. 

 Diamond mines of Southern India, 97 



—of Bundelkhund, 370. 

 Douglas, Mr, on the Botany of Columbia, 



113. 

 Drawing upon stone, on a new method 



of, 161. 

 Drummond, Mr, on the botany of the 



rocky mountains, 1 10. 

 Dry Gases, how to confine them over 



mercury, 351. 

 Dumas, M. on preventing the deposits in 



pipes, 163— on carbonic oxide, 350 — 



on chloride of iodine, 354. 

 Dunlop on the probable rotation of the 



comet of 1825, 84 — on Encke's comet, 



175. 

 Duperrey, M. his magnetical observations 



during his voyage round the globe, 



254. 

 Earthquake, on the effects of one in a gold 



mine, 218 — various ones described, 370. 

 Elaine, how to separate it from oils, 334. 

 Electro- chemical phenomena, some new 



ones described, 34. 

 Ellis, Rev. W. on the volcano of Kirauea, 



151,212. 

 Emmett, Rev. Mr, on bleaching Flax, &c. 



336. 

 Epistilbite separated from Heulandite, 



236. 

 Equator, on the mean temperature of 



117, 136. 

 Expansibilities of different metals, how to 



measure them, 225. 

 Falkland Islands, on the Zoology of, 321. 

 Ferns, notice of Dr Hooker and Dr Gre- 



ville's new work on, 184 

 Flax, on a new method of bleaching it, 



336. 

 Fossil remains at Harberough, 199. 

 Fountain, Periodical, in the Jura, 1 76. 

 Franklin, Captain, notice of his expedi- 

 tion, 107. 

 Galvani's first experiment made in 1700, 



349. 

 Geoffroy Saint Hilaire, on the plumage 



of pheasants, 9. 

 Gerard, Captain, his survey of the Val- 

 ley of the Setlej River, 28. 

 Gilbert Davies, Esq. on the theory of 



suspension bridges, 169. 

 Glass, painted, method of fixing it, 50. 

 Gmelin, Professor C G. his analysis of 



the waters of the Dead Sea, 374. 

 Gold, native of Vermont, 361 

 Gordon, David, on a singular decomposi- 

 tion of oil gas, 325 



Graham, Thomas Esq. on nitrification, 

 350 — on the fermentation of bread 

 351. 

 Grafting pear trees, on a new method of. 



368. 

 Gray Mr on the subterraneous sounds at 



Nakous, 153. 

 Greville, Dr, his work on ferns announ- 

 ced, 184. 

 Gun, notice respecting Zimmerman's safe- 

 ty one, 337 

 Haidinger, Mr, on the specific gravity of 

 minerals, 120 — on the regular compo- 

 sition of crystals, 278. 

 Haidingerite, a new mineral species, 317. 

 Halloysite, a new mineral, 183. 

 Halos and Parhelia, Memoir on, by M. 



Fraunhofer, 348. 

 Harlan, Professor, on the mammalia of 



North America, 328. 

 Harvey, George, Esq. on the effect of a 



magnet on a pendulum, 288. 

 Hawaii, on the volcanic character of, 212. 

 Haytorite, a new mineral species, 297. 

 Heat extricated from compressed air, 349. 

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



emitted by lime, 176. 

 Hetepozite, analysis of, 362. 

 Heulandite and Epistilbite separated, 



236. 

 Home, Sir Everard, on the formation of 



pearls, 275. 

 Hooker, Dr, his work on ferns announ- 

 ced, 184. 

 Humboldt, Baron, on the mean tempera- 

 ture of the equator, 136. 

 Huraulite, analysis of, 363. 

 Hydrogen, on the effects of its inspiration, 



OJO. 



Iodous acid, on Sementini's, 352. 



Iron and manganese, process for separat- 

 ing them, 350. 



Ivory, Mr, on heat from compressed air, 

 358. 



Jamesonite, analysis of, 358. 



Jupiter, observations on his satellites, &c 

 175. 



Kendal, meteorological observations made 

 at, 190. 



Kersten, Mr C. on cobalto-bismuthic ore, 

 355 — on Selenium in cupriferous mine- 

 rals, 357. 



Kirauea, the volcano of described 151, 

 212. 



Kupffner's law in mineralogy, consequen- 

 ces of, 364. 



Laumonite, on a new form of, 364. 



Laurent, M. his method of drawing on 

 stone, 161. 



Lava cavern of Raniakea, 372. 



Layton, Rev. James, on the fossil re- 

 mains near Harborough, 199. 



Levy, Mr, on Haytorite, 297« 



