INDEX 



389 



Gypsum, application of, to manure 



heap, 118. 

 as manure, 158. 



H. 



Haematin, 267. 

 Haematite, 11, 50. 

 Haemato-porphyrin, 267. 

 Haemochromogen, 267. 

 Haemoglobin, 266. 



oxy-, 266. 



Hair as manure, 128. 



Hard cheeses, 340. 



Hay crops, composition of, 257. 



- pentosans in, 263. 



making, 252. 



meadow, 257. 



odour of, 255. 

 - stacks, 254. 



Heat of combustion, measurement of, 3. 

 Helium in atmosphere, 22. 

 Hemicellulose, 194. 

 Hermite process, 362. 

 Hexosans, 183, 191. 

 Hexoses, 180, 185. 



configuration of, 181. 

 Hippuric acid, 280. 



- production of, from ligno-cellu- 



loses, 193. 

 Histidine, 209. 

 Histones, 207. 

 Hoof waste as manure, 128. 

 Hordein, 237. 

 Hornblende, 36. 

 Horn waste as manure, 128. 

 Horses, excrement of, 108. 



of, amount of, 113. 



standard rations for, 302. 

 Human milk, 333, 345. 

 Humanised milk, 345. 

 Humic acid, 47. 



Humin, 47. 

 Humulene, 202. 

 Humus, 47. 



estimation of, in soil, 88. 



retentive and absorbent powers of, 



54. 



Hydro-bilirubin, 278. 

 Hydrocarbons, paraffin, 7. 



olefine, 7. 

 Hydrocyanic acid, 371. 



- in plants, 215, 240. 

 Hydrofluoric acid, 366. 

 Hydrofluosilicic acid, 366. 

 Hydrogen, 2. 



peroxide, 28, 232. 



as disinfectant, 367. 

 Hydrolysis, acid, of furfuroids, 192. 



of cane-sugar, 187. 



of fats, 197. 

 by steapsin, 275. 



- in intestines, 276. 



of glucosides, 195, 215. 



Hydrolysis, of hippuric acid , 280. 



of lactose, 318. 



of pectins and pectose, 194. 



of pentosans, 191. 



of polysaccharoses, 186. 



of proteins, 208. 



of tannin, 200. 



of xylan, 184. 

 Hydrometer scales, 376. 

 Hypoxanthine v. Sarcine. 



Ice, action of, in soil formation, 40. 



Idose, 180, 186. 



Igneous rocks, 36, 37. 



Indian corn v. Maize. 



Indican, 195, 280. 



Indigenous soils v. Sedentary soils. 



Individuality of cows, 330. 



Indole, 114, 276. 



Indoxyl, indoxyl sulphuric acid, 195, 280. 



Inorganic salts in plants, 206. 



Inosite, inositol, 271. 



Insecticides, 370. 



Insects as manure, 128. 



Interpretation of soil analyses. 97. 



Intestines, changes in, 276. 



Inulin, 183, 189. 



Inversion, 187. 



Invertase, 187. 



Iodine, 13. 



as disinfectant, 366. 



in the animal, 304. 



- presence of, in caliche, 133. 

 lonisation, 77. 



Iron, 11. 



compounds in mineral phosphates, 



143. 

 in soils, 50. 



dephosphorisation of, 152. 



- functions of, in animals, 267. 



- of, in plants, 206. 



- sulphate v. Ferrous sulphate. 

 Irrigation, 32. 



Isoleucine, 208. 



Isothermal layer in atmosphere, 19. 



Isotonic solutions, 226. 



J. 



Jerusalem artichoke, 189, 250. 

 K. 



Kaffir corn, 240. 

 Kainite, 156. 



application of, to manure heap, 119. 

 Kalkstickstoff, 138. 



Kaolin, 12,36. 

 Katabolism, 222. 

 Kephir, 343. 

 Keratin, 273. 

 Ketones, 203, 204. 



