Index. 



485 



s. 



Sabine, Capt., on the variation and dip 



of the compass, 8*1, 306. 

 Saffron, supposed a remedy fur sea 



sickness, 70. 

 Salt, common, effect of, on the solubility 



of nitre in water, 151 . 

 Saltpetre; method of purifying, lx — 



constituents of, 153. 

 Sanguification, on the phenomena of, 



12, '265. 

 Sarracenia adunca, power of, to entrap 



insects, 149. 

 Saussnre, Th. de, on the decomposition 



of starch by air and water, 67. 

 Say, T. Esq., on the American sea-s'nake, 



75— on tne genus ocyihoe, 220. 

 Scoresby, Mr., on the Greenland and 

 polar ice, 62 — on an anomaly in the 

 variation of the needle, observed on 

 ship-board, 220. 

 Sea, temperature of, bottom of, 314, 



385. 

 Selenium, on, xxix — discovery of, in 



the sulphur of Fahlun, 401. 

 Serpents, on the poisonous fangs of, 



304. 

 Sherry wine, action of, on iron, 388. 

 Silver, on, xlii — specific heat of, 167 



—test of, 388. 

 Sinovia of the elephant, on, lxiv. 

 Slee, Mr., on maxima and minima, 193. 

 Smith, Sir J. E. on the lignum rhodium, 



148. 

 Smith, T. Esq. ; on the poisonous fangs 



of serpents, 304. 

 Snake, sea, of America, 75. 

 Snow, red, observed in Baffin's Bay, 74, 

 Society for the Encouragement of Arts, 

 Manufactures, and Commerce, 142, 

 307. 

 Solids, specific heat of, at different tem- 

 peratures, 164. 

 ■ and fluids, specific heat of, 463. 



Sorbic acid same as the malic, li. 

 Spiders devour sulphate of zinc, lxxvi. 

 Stadion, Count von, experiments of, on 

 perchloric acid, confirmed by Davy, 

 71. 

 Starch, on, lxvi — how acted on by prus- 

 sian blue, 68 — decomposition of, by 

 air and water, 67. 

 Steam, dilatation of, xiv — latent heat 



of,217. 

 Steam-boats, origin of, 279. 

 Steel, softening and tempering of, xxxvi. 

 Stevenson, Mr., on the bed of the German 



ocean, 135. 

 Stevenson's Dalswinton steam-boat, 



description of, 279. 

 Strangways, Hon, W. I. II. F. on the 

 rapids of Imatra, 378. 



Stromeyer, Prof., on cadmium, 108. 



Sugar, on, Ixv. 



Sulphate of barytes, on the crvstals of, 



141. 

 Solpho-chyazate of potash, 40. 

 Sulpio-chyazic acid, on, 101. 

 Sulphur, new acid of, 380. 

 Sulphuretted chyazic acid, on, xliv ; 356'. 

 Sulphuretted hydrogen, on, xliii. 

 Sylvester, Mr., on the discovery of 



bipersulphate of iron, 466. 



Temperatures, on the measures of, x, 



112, 161,241,321. 

 Tenneut, C. Esq., analysis of his oxy- 



rauriate of lime, 182. 

 Thenard, M., on new combinations of 

 oxygen and acids, I, 5, 9 — on the 

 deutoxide of h\drogeu, 380. 



Thermometrical measurement of heights, 

 468. 



Thomson, Dr. Thomas, account of the 

 scientific writings of Ingenhousz bv, 

 81 — on the nature of oxymuriate of 

 lime, 182 — specific gravity of Japau 

 copper determined by, 224 — analysis 

 of protoxide of copper by, 222 — ana- 

 lysis of potters' clay from Halkin 

 hills by," 382. 



Tiarks, Dr., on the reduction of lunar 

 distances for finding the longitude, 

 1S5. 



Tides in Endeavour river, on Captain 

 Cooke's account of, 203. 



Tillicherry, country between, and Ma- 

 dras, geology of, 378. 



Tin, meiting point of, 223. 



Tin, on, xl. 



Tourmalin, on the analysis of, 310. 



Tungstic acid, on, xliv. 



Turpentine, oil of, elasticity of its 

 vapour, 216 — latent heat of, 310. 



V and U. 



Vacuum, of cooliug in, 241. 



Vapour, elasticities of, 214. 



Vapours, latent heat of, xviii,217. 



Vauquelin, M., on cyanogen and hydro- 

 cyanic acid, 429. 



Vest, Dr. Von, on vestium,344. 



Vestimn, pieparation and properties 

 of, 344. 



Vincent, M., on the action of prussian 

 blue on starch, 68. 



Vinegar, latent heat of vapour of, 218. 



Ulmiu from the cork-tree, 311. 



Vogel, M.,on sulpho-chyazic acid, 101. 



Uranium, acid of, xliv — yellow oxide 

 of, from Autan, 464. 



Uranus, planet, new observations on, 

 73. 



