4 o6 



INDEX 



Sulfuric acid properties 100 



Swine, food requirements of 353 



Symbols 10 



Syntonin 370 



Valence 15 



table of ii 



Vegetable foods 397~398 



digestibility of. 391 

 Ventilation of rooms 67-69 



Water . 56-65 



borne diseases 59 



contamination of 61, 62 



culture 163 



of crystallization 58 



distillation of 57 



electrolysis 56 



filters 63, 64 



mineral matter of 61 



natural 59 



organic matter in 60 



oven 155 



physical properties 57 



in plants 155, 157 



purification of 64, 65 



Waxes 201 



Weighing 23, 160 



Weights, atomic 1 1, 13 



molecular 14 



Wheat 273-388 



American and foreign . . . 288 



as animal food 286 



as human food 287 



bran 304 



bread -making properties 



of 277 



by-products 303 



composition of varieties 285 



flour, grades of 303 



germ 306 



gluten of 277 



grading of 283 



influence of climate upon 281 

 fertilizers upon 



279 



middlings 305 



nitrogen content of, and 



flour 278 



proteids of 274 



rapidity of growth 247 



screenings 307 



shorts 306 



storage of 282 



structure of kernel 273 



unsound 284 



variations in composition 279 

 White lead 151 



Zeolites 105 



Zinc compounds 149 



occurrence 149 



CORRECTIONS 



Page 23, in last line, read " SO 4 ," not " SO 2 ." 

 Page 94, line 21, read " H 4 P 2 O 7 ," not " H 2 P 2 O 7 . 

 Page 125, Equation 40, read " 3KOH." 

 Page 132, 



