394 



INDEX 



Prussic acid, as insecticide, 371. 

 Psilomelane, 13. 

 Ptyalin, 273. 

 Pyrethrum. 371. 



Pyrocatechin sulphuric acid, 280. 

 Pyrolusite, 13. 

 Pyroxylin v. Collodion. 

 Pyrrole, 217. 



Quartz, 12, 35. 

 Quartzites, 38. 

 Quercetin, 185, 195. 

 Quercitrin, 185, 195. 

 Quinine, 6, 214. 



R. 



Radicle, 221. 

 Badiobacter, 66. 

 Radish, 250. 

 Raffinose, 183, 187, 248. 

 Rain, acidity of, 30, 31. 

 Rainfall, average, 72. 

 Rain-water, analysis of, 25. 



chlorine in, 32, 73. 



Rancidity of butter-fat, 315. 



Rape-seed cake, 283. 



Rations, standard, 301. 



Recknagel's phenomenon, 320. 



Redonda phosphate, 144. 



" Refraction," valuation of NaNO. 5 



174. 



Reichert-Wollny process, 356. 

 Relative abundance of elements, 15. 

 Rennet, 274. 

 Rennin, 316. 

 Resenes, 205. 

 Resins, 205. 



the gum, 206. 



hard, 205. 



Respiration in animals, 268. 



in plants, 233. 



Respiratory processes of animals, 5. 



quotient, 269. 

 Reversible reactions, 80. 

 Rhamnose, rhamnitol, 184, 185. 

 Ribose, 180, 184. 



Rice, 239. 



bye-products of, 285. 



polish, 240, 285. 

 Ricin, 243. 

 Ricinoleic acid, 196. 

 Rock salt, 12, 38. 

 Rocks, calcareous, 38. 



classification of, 36. 



igneous, 37. 



metamorphic, 38. 



sedimentary, 37. 

 Root crops, 246. 



hairs, acids in, 200. 



nodules in leguminous plants, 68. 



pressure, 226. 



by, 



Roots, 222. 



Roquefort cheese, 340. 



Rosin, 205. 



Rotation of crops, 258. 



systems of, 259. 



Rust, 362. 



Rye, 236. 



silage, 256. 



Rye-grass, 256. 



Saccharates, 187. 

 Saccharobiose, 187. 

 Saccharomyces cerevisicv, 185. 

 Saccharoses, 180. 



di-, 181, 186. 



mono-, 18.0, 184. 



poly-, 183, 188. 

 Safrol, 203. 

 Salicin, 195. 

 Salicylaldehyde, 204. 

 Salicylic acid, 204, 346, 354. 

 Saliva, 273. 



Salt, common, as manure, 158. 



rock, 12, 38. 



Salts, inorganic, in plants, 206. 



potash, in manures, 153, 169. 

 " Salufer," 366. 

 Sambunigrin, 195, 215. 



: Sand, 12, 43. 



as soil constituent, 43. 

 Sandarach, 206. 

 Sandstones, 37. 

 "Sanitas," 367. 

 Santalene, 202. 



Saponification equivalent, 356. 

 Sarcine, 271. 



Sarcolactic acid, 271. 



Sawdust as litter, 112. 



Scales, thermometric, 377. 



Scammonium, 206. 



Scheele's green, 370. 



Schicesing's method forN0 3 estimation, 



94, 173. 



Schceniie, picromerite, 154, 156. 

 Scleroproteins, 208. 

 " Screenings," 285. 

 "Scrub exterminator," 361. 

 Sea-weed, 125. 

 Sedentary soils, 39. 

 >eeds, extraction of oil from, 198, 281. 



leguminous, 241. 



miscellaneous, 242. 

 Selenite, 11. 



Semi-permeable membranes, 223. 

 Serine, 208. 



Serpentine, 11. 



Sesame cake, 283. 



Sesquiterpenes, 202. 



Shales, 37. 



Sharps, 285. 



Sheep, analysis of blood of, 126. 



excrement of, 108. 



