INDEX. 



381 



Liebig, M. on Bromine, 363. 



Light, on the nature of that emitted by 

 lime. 176— on that developed at the 

 separation of Boracic acid into frag- 

 ments, 176. 



Longchamp, M. on nitrification, 350. 



Lunel cavern described, 242. 



•Magnet, on the effect of one on the pen- 

 dulum of a clock, 288. 



Magnetic needle, on the deviation of by a 

 common electiical machine, 149. 



Magnetic influence of the solar rays, 104 



Magnetic needle, on the effect of revolv- 

 ing hollow and solid bodies on it, 6 — 

 variation and dip of the, 254. 



Magnetism by rotation, on its develope- 

 ment, 6, 95. 



Mammalia of North America, 328. 



Marine animals that burrow and bore de- 

 scribed, 270. 



Marshall, Mr Samuel, his meteorologi- 

 cal observations at Kendal, 190, 274, 

 377- 



Mean temperature of Chapel Hill, 249 

 — of North W. Coast of America, 251. 



Mechanical Inventions, history of, 161, 

 334. 



Medals Royal, adjudged, 369 — Copley 

 Medal, 370. 



Meteoric Stone of many substances, 177- 



Meteorological observations, made every 

 hour on January 1 5th, and July 17th, 

 144 — in the Arctic Regions, 66. 



Minerals, table of their specific gravity, 

 120. 



Mohs, Professor, appointed to the Mi- 

 neralogical chair in Vienna, 358. 



Mohsite, a new mineral species, 362. 



Morat, lake of, dyed red with animals of 

 the genus oscillatoria, 307* 



Muscologia Britannica, Dr Hooker and 

 Dr Taylor's, 186. 



Nasmyth, Mr James, his instrument for 

 measuring metallic expansions, 225. 



Nitrification, new theory of, 350. 



Nobili, M., on some new electro-chemical 

 phenomena, 311. 



Observatory of Edinburgh, 175 — of Brus- 

 sels, 178. 



Oersted, Professor, on the compressibili- 

 ties of different fluids, 201. 



Oscillatoria rubescens, a new species which 

 dyed red the lake of Morat, 307. 



Osier, Mr, on burrowing and boring ma- 

 rine animals, 270. 



Parry, Captain, his third voyage analyzed, 

 165. 



Patents, Scottish, 187, 374. 



Pearls, on their production and formation, 

 275. 



Pear-trees, new method of grafting, 368. 



Perkins, Mr, on the compression of wa- 

 ter, 267.— his steam-engine, 338. 



Pheasants, on the change in their plum- 

 age, 9. 



Phillips, Mr, on Haytorite, 297. 



Physical Geography, contributions to, 209. 



Piazzi, M. sketch of his life and writ- 

 ings, 193. 



Pigeon, wild, on its habits, 257. 



Pine, on a new and singular variety of, 

 which produees sugar, 114. 



Pitchy iron-ore, analysis of, 363. 



Planets, elements of the four new, 294. 



Planina, the cavern of, 210. 



Port Macquarie, meteorological observa- 

 tions at, 246. 



Processes in the useful arts, history of, 161 

 —334. 



Proto-Ferrocyanate of Iron, 354. 



Pyrochlore, a new mineral species, 358. 



Quesneville, M., his process for separat- 

 ing iron and manganese, 354. 



Refraction, unequal, curious case of at 

 Bridlington Quay, 293. 



Richardson, Ur, on the botany about Fort 

 Franklin, 107. 



Robison, John, Esq. on a method of fix- 

 ing glass in painted windows, 50 — on 

 the failure of the suspension bridge at 

 Paris, 240. 



Rose, Dr G. on zinkenite, 17 — on py- 

 rochlore, 358. 



Rose, Ur H. his analysis of zinkenite and 

 Jamesonite, 358 



Royal Society of Edinburgh, its proceed- 

 ings, 173, 342. 



Salts, on their different primitive forms by 

 changing the solvent, 289. 



Sapphire, on the new fluid in, 155. 



Saturn, observations on its ring and satel- 

 lites, 174. 



Savart, M. on vibrating bodies, 204. 



Say, Captain, his stereometer, 333. 



Scoresby, Rev. W. on some remarkable 

 effects of unequal refraction, 293. 



Scouler, Mr, account of his voyage to the 

 N. W. of America, 228 — on the cli- 

 mate of Colombia, 251. 



Scrope, Poulett G. Esq. his arrangement 

 of volcanic rocks, 365. 



Selenium in cupriferous minerals, 357- 



Sementini, on his iodous acid, 352. 



Serpent of the American seas, 126. 



Setlej river, on the valley of the, 28. 



Sheep, rocky mountain described, 328. 



Societies, proceedings of, 1 73, 342. 



Solar eclipse of November 1826 observ- 

 ed, 347. 



Solar rays, on their magnetic influence, 

 104, 202. 



Sounds, subterraneous, at Nakous, 153. 



Stadium, on the length of the ancient, 

 372. 



Stark, John, Esq. his elements of natural 

 history announced, 355. 



