INDEX. 



475 



Magnetism a measure of electricity, 253 

 Maiiddl on potassium, £47 



ManteWs geology of Sussex, &c. 211 

 Marcet (Dr.) on the saline contents of 

 sea water, 434, 460 



MasMi/nt's 36 Stars, R.A. of, 49, 93, 



4ri9 



Meat. Aroma of, 39? 



Medical properties of chlorate of potassa, 

 101 

 Meikle on the lunar distance, 271 ; on 

 parallel lines, 423 



Metals tempered by concussion, 3S^1 

 Meteorological tables, 80, 160, 240, 328, 

 400, 473 

 Micrometer, new circular, 314 



Moon. Eclipse of, measured with a 

 Sextant, 3^9 



Moore's apparatus for restoring respira- 

 tion, 62, 186, 374 

 Mural circle, derangement in, 355, 361 

 Murray on galvanic pha?nomena, 358 ; 

 on aqueous vapours, 357 ; on acids 

 and alkalies, 170; on air from an 

 ice-house, 266; on lieat from chlo- 

 rine, 61, 100; efiectof lightning, 61; 

 Moore's rejily to, 62 ; reply to Moore, 

 156 ; on chlorate of potassa, 100 ; 

 on urinary calculi, 445 ; sulphuric 

 a;tlier, 448 

 Mushct on iron, 161, 249; on the blast 

 furnace, 40 1 

 Narcissus. Autumnal blowing of, 343, 

 426 

 Katiiral History. Analysis of periodical 

 works on, 141, 221, 457 

 NaiUical Almanac for 1825, 325 

 Needles, magnetic. Action of cold on, 

 340 

 Negro, change of colour in a, 236 

 Nenfoundland. Account of rocks in, 

 206 

 New Soutli Wales. Astronomical ob- 

 servation in, 390 

 Nicholson on cfpiations, 17;{ 

 Natation and Aberration, 379, 468 

 Observatories, astronomical, 197 

 Observatory at Madras, 155; at Konigs- 

 l>erg, 427 

 Oniilhulogy, 141, 223, 234, 320, 353, 

 385, 395 

 Palm-tree cordage, 236 

 Parallels. 'I'lieory of, 42.'} 

 Parkinson on fossils, 139 

 Patents, new, 79, 159, 2.39, 327, 399, 

 470 

 Peall on foot-rot in sheep, 218 

 Pniilutum, t!a|)t. Kaler's, 1 '>(> 

 Pf>.Tpr on Mollusca, 2L'l 

 I'liints, Ijuiiit. IndiiMliunb of, l.M 

 Pleiades. Bully on llu-, Ihy 



Plumbago. Artificial foi-mation of, *357, 

 408 

 Pole-star. On determining latitude by, 

 43 ; observations of the, 263 



Pond on the Greenwich mural circle, 355 

 Potassa. Chlorate of, 100 



Potassium, on procuring, 247 



Press, new lithographic, 325; new print- 

 ing, 341 

 Publications, recent, 66, 135, 211, 319, 

 377, 456- 

 Pyrites. Composition of, 63 

 Pyroligneous acid, alkohol from, 155, 

 315; Pyroligneous lEther, Taylor's, 

 315 

 Quartz. Porous nature of, 310 

 Jieade on refraction. Stark's remaiks 

 on, 5 

 Hefraction. Stark on, 5 

 licpeating circle, 8, 112; improved by 

 Zach, 263 

 licpulsion, gaseous. Hypotliesis of, 18 

 Pcsjiiration. Restoration of, 61, 62, 186 

 liibbon grass, 75 

 Riddle on the double altitude problem, 

 167 

 Rocky Mountains. Expedition to the, 

 73 

 Rose. Analysis of the, 70 

 Rtiby. Effect of heat on, 70 

 Rum. Aroma of, 397 

 Russell on the tides, 210, 267, 'i'ZS 

 Salt storm, 394 

 Sanctis (Dr. de) on frigorific experi- 

 ments, 199; on sea water, 202 

 Scoresby's discoveries in Greenland, 234 

 Sea water, experiments on, 202 ; analy- 

 sis of, 434 

 Sextant. Amici's new, 301, 390 

 Shipiureck. Aid in case of, 74, 409 

 Smelting, 32, 161, 2J9, 402 

 Smut in wheat, 350 

 Snake, 468 

 Society, Royal, 67, 135, 379, 3S7, 459 ; 

 of Upsal, 216; Edinburgh Werne. 

 rian, 217 ; Linna^an of London, 388, 

 4.'^5, 464; of Paris, 146, 230; Cam- 

 bridge Philosopliical, 216; Horti- 

 cultural, 381 ; Astronomical, 388, 

 463 ; Geological of London, 380, 

 465 ; Geological of Cornwall, 466 

 Solar Eclipse, Sept. 1820, 25 

 South JJoivns. Fossils of the, 211 

 Sowerhy, Mr. James, 326 

 Spceijie gravity, instrument for deter- 

 mniing, 69 

 Stars, north polar distances of, 361 ; 

 right ascension of, 36, 49, 92, 450 

 Stcum Routs, list of, from 1811, 257; 

 Keport of House of Connnons on, 

 113, 257 



