INDEX 



395 



Sheep, standard rations for, 302. 

 Shoddy manure, 127. 

 Shorts, 285. 

 Silage, 255. 



composition of, 257. 



" sour," 255. 



" sweet," 255. 



Silica, estimation of, in soils, 88. 



in cereals, 234. 

 Silicates of magnesia, 36. 

 Silicon, 12. 



function of, in plants, 206. 



tetrafluoride, 146. 

 Silos, 255. 

 Sinalbin, 195. 



Sinapine acid sulphate, 195. 

 Sinigrin, 195. 

 Sinter, 38. 

 Skatole, 276. 

 Skimmed milk, 336. 

 Slates, 38. 

 Smut, 362. 

 Soap, 197. 



as insecticide, 371. 



in the bile, 277. 

 Sodium, 10. 



- bicarbonate as milk preservative, 346. 



borate, 10. 



function of, in plants, 207. 



hydrogen sulphate, 119. 



iodate, 133. 



nitrate v. Nitrate of soda. 

 Soft cheeses, 340. 



corn, 238. 



Soil analyses, examples of, 100'. 

 interpretation of results of, 97. 



definition of, 34. 



gases in a, 71. 



"-pans," 59. 



water in a, 57, 72. 



Soils, absorption and retention by, 52. 



bacterial activity of, measurement 



of, 96. 



biology of, 60. 



black, of Russia, 48. 



"brak," 32,59. 



changes in inorganic matter of, 51. 

 in organic matter of, 60. 



chemical analysis of, 84. 



by Dyer's method, 91. 



limitations of, 90. 



classification of, 49. 



colour of, 50. 



denitrification in, 69. 



distribution of dissolved substances 



in, 54. 



formation of, 38. 

 action of air in, 41. 



~ bacteria in, 43. 



earthworms in, 41. 



vegetation in, 42. 



water in, 39. 



improvement of, 103. 



mechanical analysis of, 83. 



Soils, nitrification in, 62. 

 nitrogen-fixing organisms in, 66. 



odour of, 50. 



origin of, 38. 



proximate constituents of, 43. 



reactions occurring in, 51. 



sampling of, 82. 



sedentary, 39. 



sourness of, 46. 



toxic substances in, 49, 71. 



transported, 39. 

 Soja-bean, 163, 241. 

 Solanine, solanidine, 249. 

 Solid matter in air, 31. 

 Solubilities of various salts, 379. 

 Soot as manure, 129. 

 Sorbitol,- 184, 186, 192. 

 Sorbose, 180, 186. 



Sorghum, 240. 

 "Sour" silage, 255. 

 Sourness of soils, 46. 

 Soy-bean cake, 283. 

 Spathic iron ore, 11. 

 Spiegeleisen, 149. 

 Spinel, 54. 

 Spirilla, 61. 

 Stachyose, 183, 188. 

 Standard rations, 301. 

 Starch, amylum, 183, 188. 



action of diastase on, 189. 



equivalent, 291. 



soluble, 188. 

 Stassfurt deposits, 153. 



composition of, 157. 

 Steapsin, 275. 



Stearic acid, 196, 313. 

 Steatite 11, 36. 

 Steel, 148. 

 Stems, function of, 227. 



rigidity of, 225. 

 Sterilisation of milk, 344. 

 Stickstoffkalk, 138. 

 Stilbite, 53. 



Stilton cheese, 340. 



Stomata, 227. 



Straw as litter, 111. 



Straws, analyses of various, 111, 294. 



" Strippings," "afterings," 329. 



Stroma, muscle, 271. 



Strychnine, 6, 214. 



Succinic acid, 199. 



Sucrose v. Cane-sugar. 



Sugar-beet, 248. 



Sugar, cane-, 182, 187. 



- formation of, in plants, 231. 



milk- v. Lactose. 

 Sugars, pentose, 180, 184. 



- non-reducing, 182. 



reducing, 181. 



Sulphate, double, of magnesium and 

 potassium, 156. 



- of potash, 156. 



of ammonia v. Ammonium sulphate. 

 Sulphur, 9. 



