INDEX. 



gulpliur, action of, on cUarcoal, 43— 

 inflamed by* oxide of lead, 77 



Sulphurets metallic, how affected by 

 the action of heat, 198, 202 



Sulphurous mineral waters, 40 



Surgery, lectures on, 160 



Sylvester, Mr. a 520 



Tables of heights above the level of 



the sea in France, 217, 299 

 Tan mixed with mucilage of staich, 53 

 Teeth, fluoric acid in the enamel and 



bones of, 75 

 Tests, of vegetable mucilages, and 



jellies, 35 

 Thenard, M. on nitrous ether, 144 — 

 abstract of his memoir on the mu- 

 riatic ether, 176— 'Observations on its 

 discovery, 182 — Abstracts of his me- 

 moir on the products that result 

 from the action of metallic muriates, 

 oxigenized muiiatic acid, and acetic 

 acid, on alcohol, 183, see also 320 

 Thenard and Roard, their memoirs on 

 Roman alum, compared with differ' 

 ent kinds manufactured in France 

 275 

 Thomson, Dr. his experiments on the 

 mucilage of cherry-tree gum, 29, 

 35 — On the effects produced by an 

 infusion of tan in the mucilage of 

 starch, S3— Comment on his paper 

 in the oxides of lead (inserted vol. 

 viii.) 77 

 « Thomson's Chemistry," 183 

 Tide table, an imiversal, 118, 119 

 Tiilet's experiments on vegetation, 



15 — On manure, 17. 

 Tin, heated, produced prismatic colours, 



135 

 Tour to the East, intended, 158 

 Tour through Picardy and Normandy, 



212 — In Auveigne, 295 

 Tournefort's classification of plants, 351 

 Tragacanth, gum, examination of its 

 pr©penies, 30, 39 



Trembley, M. on the calculatitn of ijji 

 titudes, 211 



Tremery, M. 131 



Trigonometry, use of, 2W 



Trommpdorff, M. on aaetic acid, 345 



Turf, analysis of, 175 



Tyro, questions by, on some appear- 

 ances of the electric sparky 123 



Valve Siphon, description of, 61 



Vapours injurious to vegetation, 22 



Vauquelin, M. 182 — On the action of 

 Sulphur on charcoal, 43, 50— On 

 the exides of lead, 77 — On tht 

 Sacro Catino of Genoa. 98 — On ni- 

 trous ether, 144 — On the solder of 

 leaden vessels used by laundresses, 

 115 — His analysis of alum, 276— 

 On iron spar, 315 



Veau de Launay, Dr. on the produc- 

 tion of oxigenized muriatic acid by 

 the galvanic pile, 155 



Vegetable mucilages, 28 — ^Jellies, 34 



Vegetables, nutrition of, 15 



Vincent, M. De, his method of sowing 

 clover, and a new plan for a rotation 

 of crops, 271 



Vogel, M. on grease and some medici- 

 nal compoimds of which ii is the 

 basis, 105 



U 



Urine, presence of fluoric acid in, 7^ 

 Utschneider, M: 293 



W. 



Water, inquiry relative to the arrange- 

 ment of its sediment, 122 



Water, sulphurous mineral, examined, 

 40 



Waves, remarks on the breaking of, 1 18 



Westrumb, M. on sulphurous mineral 

 waters, 40 



Wheat, diseases of, 262 



Wind instruments, mechanical imita- 



tation of, 157 



%Vitit«rl, 



