INDEX. 



449 



Serullas, M., on hydriodic ether, 200 

 — on iodic acid, 4 1 0, 422 — on chlo- 

 ride of iodine, 411 — on potassa, 415 

 —cyanic acid of, 427 



Severn, geology of the shore of, 64 



Shadows, method of, 376 



Shell, new, 72 



Ships, plan for preventing them foun- 



. dering at sea, 189 



Ships' guns, new mode of mounting 

 and working, 140 



■ of the line, force, construction, 



and sailing qualities of, 336 



Shumacher, Professor, 259 



Sibbald, Sir Robert, his " History of 

 Fife and Kinross," 24 



Signs, numerical, used by different 

 nations, remarks on, 300 



Silica, formation of steel by means of, 

 ,203 



Siloes, preservation of cwn in, 199 



Silver, nitrate of, its reduction, 210 — 

 on the properties of, ibid. — purple 

 precipitate of, 211 



Simmons, Mr. T. W., 107 



Sirnames, remarks on, 271 



Skeletons of fishes, method of obtain- 

 ing, 213 



Skull, singular, 190 



Snake-poisons, remarks on, and their 

 remedies, 330 



Soda, bicarbonate of, 430 



, iodate of, 416 



, sulphate of, used instead of salt, 



218 



Solutions, effects of animal charcoal 

 on, 120 



Sound, on the velocity of, 167 



Sowerby, James, his *' British Miscel- 

 lany,'' 107 



Spallanzani, assertion of, 131 



Sparrows, experiments upon, 4, 13, 

 14, 17, 18 



Speech, parts of, 222 



Stafford, Marchioness of, 50 



Steam-engine, economy of, 186 



Steel, electricity of, 184 — its formation 

 by means of silica, 203 — composi- 

 tion of various kinds of, 204 



Sterns, square and rounded, 154 



^tomach of fishes, remarks on, 125 



Stone in the bladder, remarks on, 391 



Strings and rods, vibrations in, 405 



Strontia, its separation from baryta, 

 431 



Submarine forest, account of, 21 



Sugar, prepared from starch, 421 



Sulphate of quinia, its taste, 422 



r thorina, 100 



Sulphuf, chloride of, 200 



Sulphurets, metallic, on, 205 

 Sulphur.salts, 104 

 Sutherland, coal-field of, 40 

 Synonimes, collation of, 104 

 System, philosophy of, 368 



Tablet, hieroglyphical, 350 

 Tadpole, its use, 213 

 Tamul language, figures of, 324 

 Telegraph, electro-magnetic, 185 

 Telescopes, chromatic, power of, 256 

 Temperature, on the variation of, 167 

 , high, elastic force of va- 



pour at, 191 



Tenses of verbs, 235 



Thomson, Dr;, analysis of, 164 



Thorina, observations on, 88 — its pre- 

 paration from thorite, 90, 417 



Thorium, a new metal, 417 



Thouars, M. de, 212 



Tiedemann and Gmelin, their work on 

 digestion, 60 



Timber, on the decay of, 73 



Touch, sense of, 432 



Tredgold on oak timber, ^A 



Trees, enormous size of, 182 



Treviranus, his *' Biologia," 60 



Troughton and Simms, ajtparatus of, 

 384 



Tubercle, alimentary, 218 



TuUey, W"., microscrope made by, 268 



Turpin, M., on crystals, 438 



Turton, his translation of the Syatema 

 Naturae, 129 



U. 



Ure, Dr. Andrew, his observations on 

 opium and its tests, 56, 373 — ou in" 

 digo, 160 



Urea, its decomposition at high tem- 

 peratures, 426 



Urine, properties of, 33 



V. 



Van Diemen's Land, alimentary tu- 

 bercle of, 218 



Vapour, elastic force of, 191 



Varley, ]\Ir., Cornelius, lens in his pos- 

 session, 257 



Vegetation, effects of light on, 218 



Vegeto-alkali, new, 211 



., double compounds of 



the muriates of, 212 

 Veltman, M., process of, 421 

 Venables, Mr. Robert, on the cystic 



oxide calculus, 30 



