INDEX; 



483 



Firminger's reply to Dr. Kelly, 51 ; 

 tables for polar distance and right 

 ascension, 44S 



Fiiton on geological structure of vici- 

 nity of Dublin, 304, 376 

 Fluohuric gas. J. Davy on, 459 

 Fluoric gas. Combinations of, 459 

 FtuTiojts. New solution of two, 383 

 Forsler's Meteorological Observa- 

 tions, 78, 157, 245, 324,405,478 

 Fossilx found in Derbyshire, 81 

 Gariluliore. (Dr.) Biographical sketch 

 of, 229 

 Gascmis compound of carbonic oxide 

 and chlorine, 443 

 Gausi on probabilities, 243, 4(iO 

 Geological Societi/, 140, 237, 316, 460 

 Geology, 26, 81, 93, 161, 191, '233, 

 239, 266, 304, 337, 338, 352, 

 355, 395, 398 

 GiWpi on diacatoptron, 127 

 Goyle ricer described, 201 

 Gravity. Curious fact respecting, 4 

 Gray, I'Lord) Meteorological com- 

 munication of, 326 

 Grindstone, Inclosed, for pointing 

 needles, 262 

 Haiiy's system confirmed, 455 

 Hawkins's tuning forks, 37 

 Uealy's singular cases of syphilis, 90 

 Hemp. On culture and preparation 

 of, 437 

 /ffKij,' on oiymuriaticgas, 220 

 Hernia. On treatment of, 435 

 Hipper river described, 203 

 Hodgson's improved mariner's com- 

 pass, 370 

 Holland on salt mines of Cheshire, 

 210, 338 

 Hume on the ribs of snakes, 21 9 

 //or«er on brine springs, 317 

 Howard's new process for refining 

 sugar, 155 

 Imperial Instilnle, 240, 400 

 Jmrie on the Campsie Hills, 239 

 hetou's niinerulogical remarks, 466 

 Iron-spar. On crystals of, 455 

 Joneson Pixies'-hole, 16l 

 Juno. Facts respecting, 5 

 Jiipiter. Facts respecting, 16, 23 

 Kelly. (Dr.) Reply to his letter, 51 

 Kirwnman S'leiely, 319, 396 

 Knight on the tendrils of plants, 386 

 LabroUoie. Geology of, 316 

 Laniie on arsenic, 311 

 Lamp, Ritw ford's, with flat wicks, 74 

 Laplare's elements of aslrcmomy, 1 ; 

 orbits of comets, 40, «5 j theory 

 of probabiliiics, 240 

 I.'tim pnrasiliciis. On the, 150 

 Lead. On troelting, I8t> 



Learned Societies, 72, 130, 210, 3U, 

 385,459 

 Lectures, Davy's, 74, 132, 220 



Legendre on approximative equations, 

 241 

 Leslie's frigorific process, 244, 321 

 Levelliiig-sla/f. Steevens's, 35 



Light. Velocity of, 12; refraction 

 of, 13; Rumfordon, 73 



Liston's euharmonic organ, 373 ; es« 

 say on intonation, 414 



London Philosophical Society, 142, 

 225,386,471 

 London bridge, how founded, 4iy 

 MacCuUnch on vegetable wax, 4<2S • 

 on bistre, &c., 461 ; on a vitrified 

 fort, 467 



Magnesia, its use in bleaching, 429 

 Marcel's answer to Pearson on alka- 

 hne matter coatained in dropsical 

 fluids, 122 i Pearson's reply, 289 

 Mariner's compass improved, 370 

 Mars. Facts respecting, ]5 



Martin on Derbyshire fossils^ 81 



Meoie river described^ £05 



Medical cases, 49,117,367 



Mercury. Facts respecting the pla- 

 net, g 

 Meteorology, IB, 157,245, 324, 405, 

 478 

 Microscope improved, 13^ 

 Montague on sponges, 3 i 9 

 Moon. Facts respecting the, 20 

 Moore on Davy's new process for 

 bleaching, 429, 477 

 Mordants employed in dyeing. On, 

 173 

 Morledge rivulet, 197 

 Mortar. A durable, 430 

 Muscuapjs:. Barton on, 107 

 Music, 37 

 Musical scales. On, 414 

 Nautical almanac. On supposed er- 

 ror in, 51, 2!5 

 A'oe nuer described, 198 

 Nomenclature of New Pharmacopoeia. 

 Danger of, 39 

 Ogilhy on use of oxymuriates of lime 

 and magnesia in bleaching, 399 ; 

 reply to, 429, 477 

 Oil of lavender contains vegetable 

 wai, 423 

 Optical instruments improved, 459 

 Oratory. Wright on, 2'25 

 Orbits of planets defined, 5 ; of Co- 

 mets to determine. 40 

 Organs. On i he scales of, 416 

 Glide of tin. Native, 141 

 Oxides arc in truth hydrats, 459 

 Pallas. Facts respecting, 5 

 PaienU. 7«, 156. 3'^2, 4(3^- 



