Index, 



487 



PatenU, list of, 243, 326, 404, 480, 



Pavement of London, on, 469. 



Peyrouse, M. la, on four plants, 393. 



Philip, Dr. Wilson, on the action of 

 the heart, 69 — on the nervous in- 

 fluence on secretion, 226 — on the 

 identity of galvanic and nervous in- 

 fluence, ,^23. 



Philips, W. Jisq. on the primitive 

 crvsial of quartz and sulphate of 

 barytes, 136. 



Philosophical Transactions for 1SI5, 

 analysis of, 130. 



Phosphoric acid, composition of, 305. 



Phosphuret of potash, 280. 



Photometer, new, 3. 



Physical analysis of soils, 20T. 



Pbysioloi;v, improvements in, during 

 1815, 68. 



Piazzi's positions of the stars, 149. 



Pig, extraordinary preservation of, 396. 



Pitcaithly, mineral water of, analyzed, 

 44, 



Plane-tree, curious fjrowth of, 316. 



Piano-cylindrical glasses, on, 324,474. 



Plants, distribution of, 375 — number of 

 species known, 400. 



Platinum, 32 — fulminating, 468. 



Platinus orcidentalis, Juice of, ana- 

 lyzed, 52. 



Plymouth, weather at, 267. 



Po'lbniD, 49. 



Pond, Mr. north polar distances of 

 stars determined, by, 2. 



Pressure, effect of, on jelly, in depo- 

 larizing light, 7. 



Prcvost, Professor P. note, by, on dew; 

 71 — letler, by, to Dr. Wells, on dew, 

 109. 



, M. Benedict, on dew, 127. 



Prevost's theory of radiant heat, objec- 

 tions to, 223— answered, 302. 



Primitive rocks, new arrangement of, 

 478. 



Prout, Dr. analyses, by, 51, 55, 57. 



Prussic acid, 35 — experiments on, 229, 

 350 — combinatiiin of, with ail of 

 peaches, .325 — how obtained pure, 

 353 — consiiluents of, 355. 



Pyrodmalite, analysis of, 62. 



0. 

 Quartz, primitive crystal of, 136. 



R. 



Rain-gauge, new, description of, 3S7. 

 Ravensheugh, mineralogical description 



of, 388. 

 Raumcr, new arrangement of primitive 



rockv, by, 478. 

 Razoumuflskiii, analysis of, 62. 

 Rrnnell, Jamrt, Fsq. on a current toihe 



westviurd of (he Scilly islet, 130. 

 Re-unioD of parts of the living body, 



V6J. 

 Richard, IVf. on (wu new American 

 plan t>, 13(1. 



Robison, Dr. John, biographical ac- 

 count of, 169, 249. 



Rose-Bank, weather at, 364. 



Royal Society, nature of, 159 — meet- 

 ings of, 133. 



Rudolphi, Professor, bile analveed. 

 by, 50. 



Ruhland, Mr. on the effect of acids on 

 the magnetism of iron filings, 16 — ex- 

 periments, by, on adhesion, 20. 



Rumford prize voted to Dr. Wells, 243. 



Rust in wheat, on, 394. 



S. 



Saint Helena, flora of, 242. 

 Salisbury, Mr. oa a natural family of 



plants, 307. 

 Salt-mines of Cardina, on, 138. 

 Saponaceous matter, how obtained, 47. 

 Saracenia flava, fly-catching qualities 



of, 135. 

 Savigny, M. on ascidise, 464. 

 Saussure on the absorption of gases, 22 



— analysis of vegetable bodies, by, 



46 — on starch sugar, 47. 

 Sayer, Augustus, M. D. on the cure of 



a case of complete aphonia, 459. 

 Seating, accidents from, 84. 

 Scapula, unknown, 137. 

 Schiioler, Dr. on the electricity of the 



atmosphere, 9 — on the physical qua- 

 lities of soils, 207. 

 Scoff, Mr. on the horns of the elk, 389. 

 Sea-water, analysis of, 42. 

 Seeds, structure of, 307. 

 Sementini, Chevalier, on the phosphuret 



of potash, 280. 

 Serpentine, Egyptian, analysis of, 62. 

 Silver, on the method of obtaining 



pure, 473. 

 Six's thermometer, notice respecting, 



Solly, Esq. on the junction of shell 



lime and trap, 136. 

 Sorbicacid, prop-rties of, 37. 

 Sounds, distance at nhich they may be 



heard, 3, 

 Specific gravity of gases, table of, 343, 

 Spectacle glasses, new, 324. 

 Starch, conversion of, into sugar, 46. 

 Steam, query respecting, 469. 

 Stevenson, Mr. on a graduul change iu 



the level of the CJerman Ocean, 390 



462. 

 Stiekleback infested with a wnrro, 106. 

 Slrontian, weight of an atom of, 399. 

 Sugar, action of, on metallic salts, 42— 



from beet, manufucture of, 233. 

 Sulphate of barytes, primitive crystal 



of. 136. 

 Sulphnie of manganese, bow obtaioed 



pure, .198. 

 Sulphiireted chyazic acid, S6. 

 Sulphuric arid, fuming, 34. 

 Sun-dial', nucieni, account of, 141. 



