INDEX. 495 



Spirits, on the evaporation of, 187, 188. 



Sponge, iodine found in, 456. 



Squire, (colonel) copy of an ancient inscription by, 7. 



Stars, See Fixed Stars 



Statistics of America, 203. 



Strontia, test of, 189. 



Sugar, description of an apparatus for boiling, 353, 354. 



Sugar-cane, ]mce of, an antidote to arsenic, 193. 



Sweden, population of, 203. 



Sj/lvester, (Mr.) evidence of, with remarks, in the cause of 



Severn and Co. against the Imperial Insurance Company, 



335, 336. 



Tape-ioorms, cause of, in pointers and spaniels, 472, 473. 



Tar tar y, volcanoes of, 197. 



Taylor, (John Esq.) evidence of, with remarks, in the cause of 

 Severn and Co. against the Imperial Insurance Company, 

 347, 348. 



Temperature of Lakes, 198. 



Test for copper, 183 — for baryta and- strontia, 189 — enumera- 

 tion of tests proper for the analysis of mineral waters, 217- 

 219 — examination of them by tests, 219-222 — new one for 

 gelatine, 454 — for violets, 456. 



Thenard, (M.) process of, for restoring the white in paintings, 

 168, 169. 



Todd (Rev. Mr.) inaccuracies of, in his edition of Johnson's Dic- 

 tionary, pointed out, 284-288. 



Tonquinbean, benzoic acid found in, 173. 



Tournefort, botanical discoveries of, 53. 



Trap rocks, identity of with certain varieties of granite, 29-39 — 

 geological resemblances between them and granite, 40-45— 

 instances in which trap-rocks assume the essential characters 

 of granite, 45-51. 



Turnip, beneficial effects of salt in the culture of, 58, 59. 



Farnzs/i (black), process for making, used in Bengal, 315, 316. 

 Vegetable antidotes to poisons, 193. 



" Poisons, antidote for, 192. 



Vegetables, growth of, prevented by using salt as a manure, 



56-63 — and also rendered unfit for the habitation of worms or 



insects, 63-62 — noxious vegetables destroyed by salt, 70, 7 1 . 

 Vegetation, influence of different altitudes upon, in different 



zones of the earth, 262-266. 

 Vegetations, metallic, 181. 



Veratrine,^ new vegetable alcali, account of, 171-173. 

 Vesuvius, sea-salt found in 462. 

 Vicat (M.) analysis of the Reckerches Exptrimentales of, on lime 



and mortar, 407-411. 



