INDEX 



297 



Potato blight, symptoms of, 143. 

 Pressure effects negligible in flying, 



200. 

 Produce of grass-land and arable 



compared, 97. 

 Profiteering, danger of, 184. 

 Protein, "specific dynamic action" 



of, 10. 



Proteins, function of, 2. 

 Proteolysis and wounds, 218. 

 Pulses, valuable for vitamines, 47. 



Race-horses, breeding of, 15. 



Raiffeisen system of agricultural 

 credits, 180. 



Rations of Indian soldiers and beri- 

 beri, 53. 



Raw materials, paper, 229. 



Reading bacillus, 214. 



bacillus, its relation to salt, 216. 



bacillus, its role in healing 

 wounds, 217. 



bacillus, morphology of, 226. 



bacillus, relation to toxins, 222. 

 Reduction of work hours, advantages 



of, 257. 



Respiration at great heights, 198. 

 Rickets, 43. 



Riveters and time rates, 264. 

 Roller milling, 27. 

 Rooks, on whole beneficial, 163. 



Saccharine, valueless as food, 74. 

 Salt-pack treatment of wounds, 213. 

 Scurvy, infantile, 57. 



vitamine preventing, 49; in Eng- 

 land, 57. 



Six-hour day, 265. 



Skin, not lungs, affected by foul air, 



283. 



Slackness in hot weather, 284. 

 Small-holdings, 84, 85. 

 Spartina for paper-making, 241. 

 Spotted fever and ventilation, 278. 



Spraying, injury following, 146. 



machines, 149-51. 



- organization of, 153. 



problems, 139. 

 Standard bread, 25. 



Strength of wheat, defined, 31, 32. 



of wheat, due to enzyme, 32. 



Taxation, rational, 92. 



unjust to agriculture, 82. 

 Tea and coffee, not foods, 73. 

 Temporary ley, definition, 121. 



ley, how to establish, 125. 



ley, place in agriculture, 135. 

 Tests for aviators, 204, 205. 

 Tillering, 1 1 2. 



Time- and piece-work compared, 

 263, 264. 



Ventilation and army huts, 275. 



importance of, 290. 

 Vitamines, II, 37, 39. 



chemical nature unknown, 39. 



effect of temperature on, 48. 



water - soluble and fat - soluble 

 factors, 41. 



Wages in agriculture, 80. 

 War bread, 20. 



conditions in co-operation, non- 

 permanent, 192. 



Weeds of temporary ley, 123. 

 Wheat, advantages of, 22, 24. 



"strong", 26; definition of, 31. 



yield of, 109. 

 Whole meal, 25. 



Wire-worm, difficulty of eradication, 



116. 



Wire-worms eaten by rooks, 164. 

 Wood pulp, 233, 237. 

 Wounds, anaerobic treatment of, 21 1. 



Yield of crops, factors limiting, 

 no. 



