386 



INDEX. 



Eectricity of showers, on the, 124. 



Electricity produced by evaporation, 178 



of the atmosphere, 177 — of flame, 



179. 



Epistilbite, a new mineral species de- 

 scribed, 285. 



Equator, on the mean temperature of the, 

 180. 



Eyes, on their apparent direction in por- 

 traits, 117. 



Eye-tube, on a nautical one for taking 

 altitudes at sea, 95. 



Faraday, Mr, on sulpho-naphthalic acid, 

 378. 



Ferrara, Sig. Abate, on the earthquakes 

 of 1823 in Sicily, 155. 



Fish, salt water, on their naturalization in 

 fresh water, 144. 



Flame, on its electricity, 179. — New Ex- 

 periments on, 183. 



Foggo, Mr John, on the electricity of 

 showers, 124. 



Fossil bones discovered near Montpel- 

 lier, 378. 



Fleming, Rev. Dr, on the defoliation of 

 trees, 72. 



Freycinet on the hourly variations of the 

 barometer, 293. 



Galvanic Battery, improvement on the, 19 



Galvanism, analogy between it and fer- 

 mentation, 179. 



Ganges, on the grotto of, 216. 



Gas burner, on a rotatory one, 1 53. 



Gas, on an orange one from Fluor Spar 

 and chromate of lead, 129. 



Gilbert Davies, Esq., on the vibration of 

 pendulums, 151. 



Gmelin, Prof., his analysis of a lithion- 

 mica from Zinnwald, 222. 



Granite, on working and polishing it in 

 India, 281. 



Green, on Rinmann's, 184. 



Grotto of Ganges described, 216. 



Haidinger, Mr, on the manganese ores, 

 41. — On dimorphism, 301. 



Hamilton, Dr F., on the frontier be- 

 tween Bengal and Ava, 22. 



Hansen's Elements of the comet of 1 825, 



376, 377. 



Hansteen, Professor, on the intensity of 

 magnetism on different parts of the 

 earth's surface, 323. 



Hart, Mr, his improvement on the gal- 

 vanic battery, 19. 



Haiiy, Abbe, Life of the, 1. 



Herschel, Mr, on refracting and reflect- 

 ing telescopes, 309 — his experiments 

 on the magnetism of rotation, 13, 257 

 — on double stars, 66 — Miss on nebula?, 

 176. 



Hibbert, Dr, on concretions in sand- 

 stone, 138. 



Himalayan Mountains, on a volcano in 

 the, 209. 



Hoar frost on iron rails, 180. 



Humboldt on the volcano of Jorullo, 

 50. — On the horary variations of the 

 barometer, 290. 



Hygrometer, on an improved one, 127 — 

 On Jones's improved one, 182. 



Illusion optical on a singular one seen 

 at Melrose, 88 On another, in ex- 

 amining a dioramic picture, 90 



India on the route to, by Lgypt and the 

 Red Sea, 234. 



Insects, on some of unusual occurrence 

 in Scotland, 37- 



Intaglios, on their apparent conversion in- 

 to Cameos, 99. 



Iodine discovered in minerals, 1 83. 



Jorullo, on the volcano of, 50, 55 



Island, on a new one, in the Paci- 

 fic, 278. 



Kennedy, Dr, on polishing granite in 

 India, 281. 



Kuffner, M., on a remarkable law in 

 mineralogy, 186. 



Kuhl, on the vegetable productions of 

 Madeira, 119. 



Lachlan, Captain R., on the shock of an 

 earthquake felt at sea, 264 — On the 

 geography of the Burrampooter and 

 the Sanpoo rivers, 302. 



Langash, account of the tribe of, in Ava, 

 26. 



Lardner, Rev. Mr, on securing the Axles 

 of Carriages, 155. 



Light, on a property of, in Telescopes, 

 306. 



Lightning, on its subterraneous pas- 

 sage, 179. 



Lithia, on the means of detecting it in 

 minerals by the blowpipe, 113. 



Lithia, discovered in mineral water, 128- 



L uminous phenomenon, observed be- 

 tween Paisley and Glasgow, 378. 



Mackenzie, Sir George, on Insects of un- 

 usual occurrence, 37- 



Madeira,|on its vegetable productions, 1 19. 



Magnesia, on its precipitation by carbo- 

 nate of soda, 136. 



Magnetism,developed by Rotation 13, 257 

 — on the intensity of, on different parts 

 of the earth, 323 — of the violet rays, 

 328. 



Magnus, Gustavus M., his analysis of 

 Picrosmine, 108. 



Manganese ores, on the forms and pro- 

 perties of the, 41 — prismatoidal, 41 — 

 pyramidal, 46 — uncleaveable, 47— 

 brachytypous, 48. 



Marcel de Serres on the fossil bones near 

 Montpellier, 378. 



