INDEX. 



389 



Magnetic declination at Bywell, and at 

 St Petersburg, 368, 369. 



Magnetic poles of the earth, on the posi- 

 tion and revolution of, 65, 



Magnetic intensity of the earth, observa- 

 tions on its decrease, 218. 



Magnetism by rotation, facts connected 

 with its history, 11, 214. 



Magnetism, account of M. Arago's re- 

 cent experiments on it in motion, 325. 

 — M. Poisson's theory of, 328. 



Magnus, M., on metallic iron and its ox- 

 ides, 300. 



Man, Isle of, meteorological observations 

 made at, 231. 



Mason, Mr W., his improved axletrees, 

 346. 



Mechanical inventions and processes in 

 the useful arts, 168, 339. 



Menispermic acid,- on the nature of, 

 189. 



Mercury, on the cyanuret of, 245. 



Meteorological observations on the 17th 

 of July 1826, 181. 



Meteorological journal kept at Seringa- 

 patam, 249 — at Batavia, 268— at the 

 Sandwich Islands, 370. 



Meteorological Observations made in the 

 Isle of Man, 231 — made on the 17th 

 July, at the request of the Royal So- 

 ciety of Edinburgh, 369. 



— — — — — made at Leith, 



190 — at Canaan Cottage, near Edin- 

 burgh, 194. 



Meteorology, Contributions to, 141. 



Meyer Hermann von, on a fossil Paleo- 

 therium, 165. 



Mitchell, Dr J. on two-headed snakes, 

 187- 



Monsoons of the Indian Ocean, 251. 



Morey, Mr Samuel, his vapour engine, 

 347. 



Nebula in Orion on a new appearance in, 



177- 



Needle, diurnal variation of in the Arctic 



Regions, 181. 

 New South Wales, on the botany of, 188. 

 Orang Outang, on its habits and structure, 



166. 

 Oxides of iron, 300. 

 Pacific, account of Mr Scouler's voyage 



to the, 196. 

 Paleotherium, or the fossil remains of one 



found in Bavaria, 165. 

 Parker and Hamilton, Messrs, on Mosaic 



gold, 344. 

 Perkins, Mr on the performance of his 



stcuin-engines, 347. 

 Pharmacy, question:, in, proposed by the 



Parisian Society of Pharmacy, 184. 

 l'holas, on two species of, found near E- 



dinburgh, 98. 



Pholerite, a new mineral, 367. 



Phosphorescence, on a singular kind in a 

 mineral, 367- 



Photometer, on a new one, 139. 



Picrotoxine, on the nature of, 184. 



Pictet, Professor, biographical memoir 

 of, 1. 



Platina mines discovered in Columbia and 

 in the Uralian Mountains, 323. 



Poisson, M. on the theory of magnetism 

 in motion, 328. 



Polarisation of sound, 8. 



Pond, John, Esq. on a new appearance in 

 the nebula of Orion, 177- " 



Ponohohoa, on the burning chasms of, 

 303. 



Potash, sulpho-cyanate of, 248. 



Pratt, Mr Samuel, on compound rods, 

 170. 



Pyrometer, the principle of a new one 

 described, 316. 



Ramond, M. on a singular phenomenon 

 on the Pic du Midi, 180 — on the effect 

 of burning glasses at great heights, 181. 



Red-breast, notice regarding it, 82. 



Refractive power of the two new fluids in 

 minerals, 122. 



Retina, on the vison of impressions on 

 the, 259. 



Rio Janeiro, natural history of, 200. 



Ritchie, Mr, on a cheap and delicate hy- 

 drostatic balance, 118 — on a new pho- 

 tometer, 139 — on an improved air- 

 pump, 168. 



Rods, compound, for bedsteads, cornices, 

 &c. 270. 



Ropes, improved ones, 346. 



Ross, Captain, on the occultation oJ Her- 

 schel, 178. 



Royal Society of Edinburgh, proceedings 

 of, 176. 



Sabine, Captain, receives La Lande's 

 prize, 365. 



Salmon, on the spawn of, 238. 



Salt springs, raised by hydrogen gas, 189. 



Sandwich Islands, on the mean tempera- 

 ture of, 370. 



Savart, M. on the vibrations of solid bo- 

 dies, 48. 



Savary, M. on a new method of magne. 

 rising needles, 369. 



Schonbcrg, M. on the spawn of salmon, 

 238. 



Scouler, Mr, his voyage to thePacific, 195. 



Scrope, G. Poulett, Esq. on the volcanic 

 formations on the left bank of the Rhine, 

 145. 



Selenium found in Bavaria, 185 — and in 

 Bohemia, 187- 



Seringapatam, on the results of a meteoro- 

 logical journal kept at, 249 — thunder 

 storm at, 363. 



