STA 



428 



TOB 



Sausages, poisonous, 387. 

 Saussure, his experiments on air, 42. 



Analysis of pines, 110. 



On the growth of plants, 158. 

 Schubler, his observations on rain, 



90. 

 Sea-water, analysis of, 124. 



Contains carbon, 45. 



Contains ammonia, 125. 

 Secretions, root, 256. 

 Silica, 170, in grasses, 155. 



Solution of, 170. 



In reeds and canes, 155. 

 Silicate of potash in plants, 62. 



As a manure, 187, 212, 213. 

 Siliceous sinter ^ 170. 

 Silver, carbonate of, action on or- 

 ganic acids, 295. 



Salts, poisonous effects of, 382. 

 Simple bodies, 21. 

 Sinapis alba, 410. 

 Size of plants proportional to organs 



of nourishment, 66. 

 Smell, what, 345. 

 Snow-water, ammonia in, 91. 

 Soda may replace potash, 113. 



Nitrate of, theory of its forma- 

 tion, 277. 



Phosphate of, in calico printing, 

 286. 

 Soda-ash, 207. 



Soils, advantage of loosening, 65, 

 130. 



Chemical constituents of, 208. 



Best for meadow- land, 118. 



Carbon restored to, 75. 



Chemical nature of its influence, 

 167. 



Constituents of, 208. 



Exhaustion of, 151. 



Ferruginous, improved, 130. 



Fertile, contain phosphoric acid, 

 potash, «&c., 242, 243. 



Fertile, of Vesuvius, 149. 



From lava, 149. 



Of heaths, 223. 



Imbibe ammonia, 99. 



Improved by crops, 161. 



Impoverished by crops, 161. 



Various kinds of, 208. 

 Stagnant water, effect of, 130. 

 Stalactites in caverns, 127. 

 Starch, 56 ; composition of, 83. 



Accumulation of, in plants, 132. 



Development of plants influ- 

 enced by, 134. 



Effect of, on malt, 74. 



Starch, vesicles in, 56. 



Product of the life of plants, 49. 



In willows, 133. 

 Staunton, Sir G., on Chinese ma- 

 nure, 194. 

 Straw, analysis of, 38. 

 Struve, experiments of, 151. 

 Substitution of bases, 109. 

 Subsoil ploughing, 215, 269. 

 Succession of crops, 275. 

 Succinic aa'^Z, 363. 

 Sugar, action of alkalies upon, 303. 



acids upon, 303. 



Composition of, 313. 



Carbon in sugar, 38. 



Contained in the maple-tree, 93. 



In clerodendron fragrans, &c., 

 138. 



Devolopment of plants, influence 

 on, 134. 



Fermentation of, 313. 



Formic acid from, 86. 



In beet- roots, 93. 



Metamorphosis of, 313. 



Organic compounds, all form 

 sugar, 302. 



Product of the life of plants, 49. 



Transformation of, 304. 



When produced, 67. 

 Sulphur, crystallized, dimorphous, 

 297. 



In plants, 214. 

 Sulphuric Acid, action of, on soils, 



208, 248. 

 Sulphurous Acid arrests decay, 360. 

 Swamp muck, 185. 

 Sweden, soils of, 243. 

 Swine, urine of, 202. 

 Synaptas, 411. 



TABASHEER, 171. 



Tables, of Hessian and English 



weights, 416. 

 Tannic Acid, 83. 

 Tartaric Acid, 83. 

 Converted into sugar, 83. 

 In wine, 342. 

 Teak Tree, salts found in, 155. 

 Teeth, analysis of, 158. 

 Teltowa Parsnep, &^, 140. 

 Thenard, his experiments on yeast, 



313. 

 Thermometers, scales of, 418. 

 Tin, action on nitric acid, 292. 

 Tobacco, juice contains ammonia, 



94. 

 Leaves of, 345. 



