XVI TABLE OF CONTENTS 



PAGES 



SECTION III. CROPS, FOODS AND FEEDING 259 



Chapter XV. Occurrence and Uses of Important Con- 

 stituents IN Agricultural Plants 261-276 



Carbohydrates, 261. Cellulose, 262. Forms of cellulose, 

 262. Normal celluloses, 262. Hemicelluloses, 263. Ligno- 

 celluloses, 264. Pectocelluloses, 264. Cellulose as food, 265. 

 Crude fiber, 265. Table VI ; Cellulose content of crops, 266. 

 Experiment Study XXXIII ; Cellulose and crude fiber, 267. 

 Starch, 267. Starch as food, 268. Industrial uses, 268. 

 Table VTI; Starch content of crops, 269. Experiment 

 Study XXXIV; Starch, 270. Dextrin, Glycogen, Inulin, 

 Mannan, Galactan, 270. Pentosans, 272. Experiment 

 Study XXXV; Pentosans, 273. Sugars, 274. Sucrose, 274. 

 Maltose, 275. Monosaccharoses, 275. Table VIII; Sugar 

 content of crops, 276. 



Chapter XVI. Occurrence and Uses of Important Con- 

 stituents in Agricultural Plants (Continued) . . 277-287 



Fats and waxes, 277. Plant fats as food, 277. Occur- 

 rence, 277. Oil-yielding plants, 278. Table IX; Fat con- 

 tent of crops, 280. Lecithin and phytosterol, 280. Phytos- 

 terol and cholesterol, 280. Lecithin, 282. Physiological 

 function, 283. Proteins, 283. Forms of protein, 283. Oc- 

 currence, 284. Table X; Protein content of crops, 285. 

 Amino-acids, Alkaloids, Essential Oils, Terpenes, Tannins, 

 etc., 286. End products of metabolism, 286. 



Chapter XVTI. Animal Foods and Feeding . . . 288-305 



Food value, 288. Quantitative relation of food to energy, 

 288. DigestibiUty, 289. Coefificient of digestibility, 289. 

 Table XI; Coefficients of digestibility, 290. Applica- 

 tion of coefficients of digestibility, 291. Table XII; 

 DigestibiUty of foods, 292. Energy value of food constitu- 

 ents, 293. Fuel value, 293. Bomb calorimeter, 293. 

 Calorie, 294. Fuel values in calories, 294. Corrected fuel 

 values, 295. Metabolizable or available energy, 295. Table 

 XIII; Fuel values of food constituents, 296. Fuel values 

 for cattle, 296. Table XIV; Fuel values and metabolizable 

 energy for cattle, 298. Food requirement, 298. Energy 

 requirement, 298. Maintenance requirement, 298. Respira- 



