INDEX. 



387 



Mechanical Inventions, history of, 150, 



332. 

 Meteoric Stones in Italy, 181. 

 Mineralogy, on a remarkable law in, 186. 

 Moll, Professor, on a new island in the 



Pacific, 278. 

 Molybdaena, (researches concerning, 1 33. 

 Mont Blanc, on Dr Clark's late ascent 



of, 255. 

 Mosander, M., on the precipitation of 



magnesia, by carbonate of soda, 136 



—on the oxides of iron, formed by 



continued heat, 137- 

 Murray, Mr John, on the torpidity of the 



tortoise and dormouse, 317- 

 Necker, M., on birds near Geneva, 269. 

 On a luminous phenomenon observed be- 

 tween Paisley and Glasgow, 378. 

 Oersted, Professor, on the law of the 



compression of air, 224. 

 Optical illusions, 88, 89, 90, 94. 

 Orang Outang, on a gigantic one, 193. 

 Organ pipes, on the construction of, 80. 

 Oxalic Acid in Lichens, 189. 

 Parry, Captain, his last expedition to the 



Arctic Regions, 1-17- 

 Patents, list of, granted in Scotland, 188, 



381. 

 Pendulums, on a curious law respecting 



their vibration, 1S4. 

 Phantasmagoria, improvement on the, 37- 

 Phosphorescence of fluids, 178 

 Pic du Alidi, on its vegetation, 

 Picrosmine, a new mineral, analysis of, 



108. 

 Piney Tallow from Malabar, 185. 

 Pond, Mr, on determining the direction 



of the meridian, 177 — on the double 



star £ Bootis, 376. 

 Pons, M. on the comets of 1825, 175, 



376. 

 Pringle, Captain, on the route to India 



by the Red Sea, 234. 

 Processes in the useful arts, hibtory of, 



150, 332. 

 Prussian blue in the soda of Sicily, 184. 

 Quartz district near Inverness described, 



91. 

 Rain without clouds, 181. 

 Ramond, M. on the vegetation of the Pic 



du Midi, 380. 

 Red snow of the Arctic regions, 167- 

 Refractive power of clastic fluids, 211. 

 Rctzius, M. his analysis of Brewsterite, 



316. 

 Ritchie, Mr, his improvement on the 



phantasmagoria, 37. 

 Rose, Dr Gustavus, on Epistilbite, a new 



mineral species, 285. 



Royal Society of Edinburgh, proceedings 

 of, 173. 



Sand, on the discovery of a very fine 

 kind at Alloa, for flint glass, 333. 



Savart, M., on the pipes of organs, 81— 

 on the mechanism of the human voice, 

 200. 



Schow on botanical geography, 161. 



Scrope, Poulett, Mr, on the volcano of 

 Jorullo, 55 — his considerations on vol- 

 canos analyzed, 334 — his theory of 

 the earth explained, 



Selenium in the sulphur of Lipari, 183. 



Setterberg, M., on the sulphurets of co- 

 balt, 126. 



Sluices, on double weather ones, 150. 



Societies, philosophical, proceedings of, 

 173 



Society of ATts, proceedings of, 174. 



South, Mr, on double stars, 66 — on re- 

 fracting and reflecting telescopes, 309. 



Stark, Mr, on the discovery of live 

 cockles at a distance from the sea, 148. 



Stars without any proper motion, 176. 



Stickleback, on the habits and food of 

 the, 76. 



Sulpho-napthalic acid, 378. 



Sympiesometer, Mr Adie's, recommend- 

 ed, 181. 



Taste, on the sense of, 243. 



Telescopes, on the comparative perform- 

 ance of refracting and reflecting ones, 

 309. 



Temperature of the equator, 180 — on its 

 diminution with the altitude, 180 — of 

 different animals, 185 — of the dor- 

 mouse, 317- 



Thaumatrope, description of the, 87- 



Thorn, Mr, on double weather sluices, 

 150. 



Torpidity of the tortoise and dormouse, 



Transit instrument, on a singular effect 

 of heat upon it, 177- 



Turncr, Dr, on detecting lithia in mine- 

 rals, 113. 



Voice Human, on the mechanism of the, 

 200. 



Volcano of Jorullo described, 50, 55— 

 volcanos, considerations on, 334 — in 

 the Himalayali mountains, 209. 



Waddell, Mr A. on a new punt-boat, 

 332. 



Waterspout, on a remarkable one, 182. 



Wood, on a process for condensing it, 

 333. 



Wollaston, Dr, on the direction of eyes 

 in portraits, 1 1 7- 



