496 



hidex. 



Stromcyer, Professor, on Dr. Marcefs 

 mode of producing a violent heat, 21 

 — on magnesite, 70 — on anhydrite, 

 70 — mineral analyses by, 244, 247. 



Strontian, weight ef an atom of, 17 — 

 salts of, 245. 



Sugar of lead, mode of analysing, 330. 



Sulphate of barytes in Surrey, analysis 

 of, 247. 



Sulphate of magnesia, manufacture of, 

 near Genoa, 466 — mineral, 483. 



Sym, G. Oswald-, on the temperature of 

 the greatest density of water, 387. 



Syrup of sugar cane, clarifying of, 54. 



Table mountain, height of, 162. 



Tadpole, formation of fat in, 467. 



Talc, slaty, analysis of, 73. 



Tannin, action of, on mucilage, 53. 



Tantalite, analysis of, 73, 74, 76. 



Tantalum, properties of, 32. 



Tar boiling, experiment on, 111. 



Tartrate of potash, properties of, 351. 



Temperature, influence of, on elasti- 

 city, 354— of both hemispheres, 400. 



Thermometer for measuring heights, 

 account of, 323 — Dalton's, examined, 

 440. 



Thomson, Dr. Thomas, on the relation 

 between the specific gravity and the 

 ■weight of the atoms-of gaseoiis bo- 

 dies, 16 — on the weight of ah atom 

 .of-.stcontiap, 17 — on phosphorated 

 hydrogenous,. *26— on carburet* of 

 phosphorus"," 28" — account of Bishop 

 Watson, by, 257 — on a remarkable 

 fossil, 342 — on a Chinese mercurial 

 preparation, 350 — ou barometrical 

 observations, 401 — analysis of a new 

 mineral salt, by, 483. 



Thorina, 412, 452. 



Thunder storm, 85. 



Tibet, height of its mountains, 232. 



Tin, oxides of, 32. 



Tin-stone, analysis of, 72. 



Tod, Mr. experiments on torpedos, 149. 



Tofieldia, on the genus, 154. 



Topaz, composition of, 105. 



Tordilium, on, 325. 



Torpedos, experiments on, 149. 



Torre del Greco, on specimens from, 

 473. 



Trail, Dr. on magnetic iron and iserine 

 in Cheshire, 396. 



Tree, remarkable, 485. 



Trigonometrical survey, queries re- 

 specting, 163. 



Trituration, effects of, on chemical 

 combination, 10. 



Troughton, Mr. (able by, of the dila- 

 tation of metals, 19. 



Tunbridge Wells' water, analysis of, 49. 

 Tungstate of lime, analysis of, 78. 



Vaccine lymph, introduction of, into 

 America, 333, 40J. 



Variations, calculus of,' explained, 445. 



VairqueTin, MVori -Chlorates, 42— ana- 

 lysis of Malambo bark, by, 52— on 

 the colouring matter of the blood, 56. 



Vogel, M. on rosacic acid, 40; • 



Uppington, Mr. on an increase!- <tf elec- 

 tricity, 394. 



Uric acid, composition of, -40. 



Vulpenites analysis of, 248. 



Wahleoberg, Dr. on the Carpathian 

 mountains, 140. 



Wales, South, on the geology of, 114. 



Wallace, Mr. Hugh, on canvas tubes for 

 conveying water, 327 — on safety 

 lamps, 487. 



Wapiti deer, description of, 326. 



Warburton, Henry, Esq. on magnesian 

 lime-stone, 395. 



Wasps, on the cells of, 310. 



Water,' temperature of its greater den- 

 sity ascertained, 387 — new mode of 

 freezing, 412. 



Watson, Dr. Richard, biographical ac- 

 count of, 257. 



Watt, Dr. on the introduction of the 

 antiphlogistic system into Great Bri- 

 • : tain, 401. - 



Webb," Lieut. -rffeiis"urernefit of the 

 mountains of Thibet, by, 232. 



Wernerian Natural History Society, 

 meetings of, 232. 



W'ilson, Mr. D. on chloride of alumina, 

 42 — new portable barometer aud 

 hygrometer, by, 313. 



Wind, influence of, on the propagation 

 of sound, 2. 



AVine, strength of, 28. 



Wolfram, analysis of, 78. 



Wollaston, Dr. W. H. on the cutting 

 diamond, 465 — on the native iron of 

 Brazil, 465. 



Wollaston, Rev. Francis, on a thermo- 

 meter for measuring heights, 323. 



Wood, experiments on the strength of, 

 274— expansion of, in trees, 46S. 



Yenite, discovery of, in situ, 164. 

 Young, Dr. on the diffraction of light, 3. 

 Yttrocerite, analysis df, ' 72. 

 Yttrotantalite, analysis of, 76. 



Zamboni's column, 4. 

 Zinc, weight of an atom of, 14 — chlo- 

 rate of, 43. 

 Zoology, improvements in 1816,89. 



END OF VOL. IX. 



C. Baldwin, Printer, 

 New BridsjMtreet, London, 



