Index, 



Royal Society? papers read in, 11, 



147, 221,303,382, 470. 

 Riibus, new species of, 385, 

 Rurnford, Count, on the heat given 



oiU by combustibles, 3S6. 



Sage, analysis of tbe water of the 



bead Sea, by, 36, 

 Saliie, 105, 



Salt, sii]gu!ar triple, described, SG5. 

 Sarcocol, origin of, uncertain, 218. 

 Sa'assure, on the absorption of gases 



by charcoal, 393. 

 Saunders, Dr, his opinion of a cha- 



lybeaJe spring in the Isle of Wight 



as a medicine, 449. 

 Schchallien, eA'perirr.ents oiT, 15. 

 Schmaltz, Mr. en caliitriche, 75. 

 Schrader, analysis of graphite, by, 



294. 



Scistus alpine nf HiUton, 415. 



Scoresby, Mr. accor.nt of the Green- 

 land whale, by, 51. 



Scotland, popalation of, at diiferent 

 times, 41 — extent of the counties 

 of, 269. 



Sea v/aler, analysis of, 39. 



Sector, improved by Maskelyne, 403. 



Seeds, naked,-S10. 



Sharpe, Mr. on the specific heat of 



steam, 459. 

 Sheep, ankon breed of, 143. 

 Silicaied fluorit^acid, 209. 

 Smith, Dr. on the astragalus camp(?s- 



tris, 225. 



Snakes, on the progressive rnotion of, 



58. , 

 Sodali to, 104. 



Solstice, winter, on the, 308. 

 Solvent glands in ihe djg:estsve organs 



of birds, 215. 

 Sowerby, Mr. on a new cleavage in 



" calcareous spar, 75. 

 Spanish chr.rn, description of, 451. 

 Specific heat of gases, 389. 

 Spina! maiTow, analysis of^ 345. 

 Stannane, 1 ^..^^.^ 

 Stannanea, J ' 

 Starch, su^ar fi om, 64. 

 Steam, specific heat of, 459. 

 Steel, on the changes of colour, hy 



heat, 131. 

 Stockholm, temperature at, 112. 

 Stomach, coagulating povrers of, 148 



— not active in vcraiting, 439. 

 SolFriere, enj.ption of, 22S„ 

 S'.!h?i»ate of soda., cf'viaiilsalicn of, 



380. 



Sulphur, on some combinations of, 

 215. 



Sniph'aret of carbon, 472. 

 Sunderland, population r,f, 307. 

 Swedish weights and measures, tables 

 of, 457. 



T. 



Tannin, variefy of, described, 16S. 



Temperatures of Stockholm and Lon-, 

 don, 112. 



Tendrils of plants, motions of, 207. 



Thenard, M. singular decomposition 

 of ainuionia, by, 392 — on tlie ab- 

 sorption of gases by charcoal, 393. 



Thomson, Rev. James, on the agricul- 

 tnre of Berwickshire, 260. 



Ti loinson, Dr. I'honias, accoimt of 

 Mr. Cavendish, bj, 5 — iiis experi- 

 ments on uirain, 23 — account of 

 Dr. Priestley, 81 — on the liquid 

 gum from Botany Bay, 163 — on 

 the specific gravity of gases, 177 — 

 observations by, in ansiver t.» Che- 

 nevix's attack upon We'-ner's inine- 

 ralogical method, 241— biographi- 

 cal account of Fourcroy, by, 321 — 

 on veins, 360. 



Til'.ard, S. Esq. account of a vol- 

 cano, by, 67. 



Tirnotiiy grass, 65. 



Tobacco, action of, on animal?, 62. 



Torpedo, electrical ofj^aus of, imi- 

 tated, 14. 



Tourmalin, 105, 



Towns in Great Britain, population 

 of, 174. 



Transition rocks of Werner, on the, 

 414 — extent of, in Great Britain, 

 417— relation to primitive rocks. 

 419. 



Trap rocks in Italy, 217, 

 Traulle d'Ahbdville, M. qh petrifac- 

 tions, 395. 

 TrichiariVs Leptoros, 225. 

 Ti-rquois, nature of, 217. 

 Turtle, fossil, from Dorsetshire, 385,. 



U. 



Vaccination, facts hitherlo collected 

 respecting, 135, 271. 



Variation of the corifipass, observa- 

 tions on, 219. 



Vauquelin, M. on the iilct^r of the 

 eim, 23— on egg-sheSSs, 66— on the 

 cerebral matter of man and ani- 

 mals, 332 — analysis of the daphne 

 alpina, by, 395. 



