390 



INDEX. 



Diamonds, and diamond workings jff 



Sumbhulpore, 134 

 Dick Lauder, Sir Thomas, on a remark- 



able bronze relic, 214 

 Dichroite, optical property of, 191 

 Double stars, on the systems of, demon- 

 strated to be binary, 88 

 Duperrey, M., his magnetical observa- 

 tions on board the Coquille, 75 

 Earth, on its figure, 374 

 Elephant, Asiatic, on the size of, 104 

 Emery, mode of preparing it, 173 

 Eye, on a peculiar defect in the, 322 

 Floating island described, 59 

 Fluid object-glasses, on telescopes with, 



335, 336 

 Foggo, Mr, on the dew point hygrome- 

 ter, 36 

 Fourier, Baron, his account of the life 



and works of M. Breguet, 201 

 Fraunhofer, Chev. memoir of his life — 

 1, on the laws of light and its theory, 

 101, 235 

 Fresnel, M. receives the Rumford me- 

 dals, 193 

 Garcinia pedunculata described, 45 

 Gas, on a new combustible one, 182 

 Gases, on their specific heats, 381 

 Gas-burner, on a new safety one, 125 

 Gaour, or gigantic ox, account of, 318 

 GeofFroy, M., on the camelopard, 356 — 

 on toads found alive under ground, 358 

 Geology of Central France, 192 — Dr 



Hibbert's system of, 191 

 Glaucolite, 342 

 Gold, on the argentiferous native gold of 



Colombia, 382 

 Gold mines of Scotland, an account of 



them, 174 

 Graham, Mr T., on caustic potash, 381 

 Granite quarries at Assuan, 53 

 Grant, Dr R. E., on the ciliae of the gas- 

 teropodous moUusca, 121 — on the spi- 

 ral turn of univalve shells, 121 — on 

 the structure of the Lernaea elongata, 

 147 — on the ova of the Pontobdella 

 muricata, 1 60 — on the Virgularia mira- 

 bilis and Pennatula phosphorea, 330 

 Haidinger, Mr, on mesole, IS — on the 

 changes in cupriferous minerals, 126 

 — on remarkable twin-crystals of Phil- 

 lipsite, 140 — on a French locality of 

 Vauquelinite, 213 — on Sternbergite, a 

 new mineral, 242— on polyhalite, 240 

 — on the crystalline forms of pyrophos- 

 phate of soda, and arseniate of soda, 3 1 4 

 — on Davyne, 326 — on Berthierite, 353 

 Halos observed in America, 113 

 Hartman, Dr C, on several new mine- 

 rals, 342 

 Hull, Captain, on the capture of a fe- 

 male orang-outang, 162 



Hamilton, Dr F., on the Garcinia pedun- 

 culata, 45 — on the Vanderon monkey, 

 60— on two Bengal plants, 244 



Hansteen, Professor, on the isodynamic 

 lines for the whole magnetic intensity, 

 351 — his magnetic tour through Sibe- 

 ria, 376 



Heat disengaged during the compression 

 of liquids, id. 



Heat, radiant, permeates transparent 

 screens, 348 



Hertzberg, Provost, his meteorological 

 observations at Ullensvang, 83 



Herschel, J. F. Esq., on double stars, 88 



Hibbert, Dr, his system of geology an- 

 nounced, 191 



Himalaya Mountains, hot springs of, 55 

 — volcanic appearances in, 65 



Hodgson, Mr, on the chiru, 163 — on the 

 habits of a young rhinoceros, 165 



Hot springs of La Pisavella, 263 



Hourly annual meteorological observa- 

 tions at Christiania and Drontheim, 377 



Hooker, Dr, on a society for collecting 

 plants, 23 



Huber, M., on an emigration of butter- 

 flies, 343 



Hygrometer, on the dew point one, 36 



Hydrobromic ether, 188 



Hydrocarburet of bromine, id. 



llmenite, 343 



India, on the topography and animals of 

 some districts in, 316 



Irby, Captain, on the granite quarries at 

 Assuan, 53 



Iron ore, a metallurgic memoir on, by 

 Dr Colquhoun, 217 



Isodynamic lines for the whole magnetic 

 intensity, 351 



King, Mr J. on a new safety tube, 61 



Ko-si-Chang, island of, 194 



Ko-cramb, island of, 194 



Lakes of America, on certain phenomena 

 in the great ones, 290 



LebaillifF, M., on a delicate magnetic 

 needle, 184— on a singular property of 

 bismuth and antimony, 185 



Lernaea elongata, on the structure and cha- 

 racters of, 147 



Light, on the laws of, and its theory, 101, 

 235 



Low, Captain, on the Phoonga caves, 57 



Mackintosh, Charles, Esq., his new pro- 

 cess for making steel, 359 



ftiagnetical observations in the Coquille, 

 75 



Magnetic equator, on a peculiarity in the, 

 376 



Manganese, on the supposed chlorite of, 

 190 



Marshall, Mr Samuel, his meteorological 

 observatbns, 198 



