INDEX. 



Smithson, Mr. 1G0 



Soaprock, from Cornwall, analysis of, 

 .581 



Soapstone, analysis of, S81 



Society for the encouragement of arts 

 &c. premiums by, 232 



Soda, in animal fluids, 37 



Sonnini, M. 168 



«« Souffriere," the, a district of the 

 island of Montserrat, described, 296 



Sowerby, Mr, 2, 165 



Sow thistle, irritability of, 138 



Spargelstein, analysis of, 306 



Stackhouse's description of the crypto- 

 gamian plants, 2 



Stater of Philip of Macedon, 23 



Steinhauer, Rev. Mr. 162 



Stephens, J. Esq. his new method of 

 making bricks, so as to form cheaper 

 and firmer buildings, and useful under- 

 ground drains, 252 



Stones, artificial, 230 



Stucco, a cheap and durable, 126 



Sugar, acted on by muriatic acid, 216 



Sulphates, composition of, 153 



Sulphur, see Souffriere. 



T. 



Tannin, artificial, 360 



Tantalite, analysis of, 380 



T. B. on a passage in Mrs. Ibbetson's 

 account of the water lily, 22— An- 

 swered, 138 



Tenacity of metals, &c. machine for 

 ascertaining, 81 



Teneriffe, island of, described, 239 



Terre •verte, analyses of, 308 



Tetters, remedy for, 148 



Thenard, M. 113, 167, 241, 245. 



Thouin, M. 147 



Tillard, Captain, his narrative of the 

 eruption of a volcano in the sea off 

 the island of St. Michael's, 247 



Tincal, analysis of, 312 



Tinto, a mountain of Lanarkshire, mi- 

 neralogy of, 235 



Topazes from Brazil and Saxony, ana- 

 lyses of, 305 



Traill, Dr. 186, see Bostock. 



Trees, forest, premium for planting, 

 232 



Trigonometrical formulx for sines and 

 cosines, 13 



Trinidad, pitch lake in, described, 2C9 

 — Geology of the island, 209 



Tubes founded in drift sand, 316 



V. 



Vauquelin, M. his chemical examina- 

 tion of a vegetable excrescence from 

 Madagascar, 143— Of a gum-resin from 

 the same place, 144 — Of the root of 

 cam«l's hay, from the Isle of France, 

 146 — Of the aromatic leaves of the 

 raventsara, 147 — On the action of 

 muriatic acid on sugar, 217— His 

 analysis of the mineral waters of 

 Nevis and Argentieres, 240 



Vegetable extracts, 75 



Vegetable manure, bast in a fresh state, 

 357 



Vegetable substances, chemical exa- 

 minations of, 143 



Vegetables, irritability of, 138 



Vegetation, theory of, 350 



Vitalis, M. on the nature of sheep's 

 dung, and its use in dyeing cotton 

 the red, called India, or Adrianople, 

 288 



Vitrified forts in Scotland, 317 



Volcanic eruption in the sea off the 

 island of St. Michael's, in June, 1811, 

 247 



W. 



Waistell, Mr. C. his improvement in 



the acorn dibble, 267 

 Walnuts, chemical examination ef their 



husks, 374 

 Water, in muriatic gas, experiments 



on the existence of, 18, 125 

 Water lily, see Lily. 



Water, 



