3i8 



INDEX 



Stearic acid, 47, 210. 

 Stereo-chemical formula, 9. 

 Stereo-isomerism, 6g. 

 Stigmasterol, 280. 

 Still, rectifying, 36. 

 Stomach, 163. 



acidity of, 169. 



digestion in, 186. 



digestion of proteins in, 172. 



digestion of fats in, 180. 

 Stout, 36. 



Stroma, blood, 220. 

 Structural formula, 8. 

 Strychnine, 286. 

 Substitution, 10. 

 Substitution products, 11. 

 Succinic acid, 53. 



dihydroxy, 76. 



monobrom, 75. 



monohydroxy, 75. 

 Sucrase, 116, 145, 171. 

 Sucrose, 11 5-1 18. 



action on FehUng's solution, 116. 



action of yeast on, 116. 



experiments, 120. 



hydrolysis of, 117. 



in crops, 274, 276. 



occurrence, 115. 



optical activity of, 116. 

 Succus entericus, 178. 

 Sugar, 115-118, 274-276. 



analysis, 118. 



beet, IIS, 274. 



cane, 115, 274. 



in crops, 274-276. 



in plants, 243. 



maple, 116, 274. 

 Sulphates, as plant food, 152, 

 Sulphur, in plants and animals, 147. 

 Sun, as source of energy, 237. 



Tables, I. Alcohol per cent and specific 

 gravity, 28. 

 II. Fats and oils, 62. 

 III. Summary of carbohydrates, 



129. 

 TV. Enzymes, 145. 

 V. Volatile and nonvolatile con- 

 stituents of plants, 1 50-1 5 1 . 

 VI. Cellulose content of crops, 2 66. 

 VII. Starch content of crops, 269. 

 VIII. Sugar content of crops, 276. 

 EX. Fat content of crops, 280. 

 X. Protein content of crops, 285. 



Tables XI. Coefficients of digestibility, 

 290. 

 XII. DigestibiHty of foods, 292. 

 XIII. Fuel values of food constitu- 

 ents, 296. 

 XTV. Fuel values and metaboliz- 

 able energy for cattle, 298. 

 XV. Production values for cattle, 



301. 

 XVI. Digestibility and energy 

 values for cattle, 302. 

 Tannins, 286. 

 Tartar, 76. 

 Tartar emetic, 77. 

 Tartaric acid, 76-78. 

 dextro, 78. 

 experiments, 80. 

 levo, 78. 

 meso, 78. 

 racemic, 78. 

 stereo-isomerism of, 78. 

 Taurocholic acid, 182. 

 Terpenes, 286. 

 Tetanus toxin, 283. 

 Tetra-chlor-methane, 18. 

 Tetrahedral theory, 72. 

 Tetrapeptides, 92. 

 Tetroses, 108. 

 Theobromine, 103, 286. 

 Therm, 294. 

 Thrombin, 224. 

 Toxic albumin, 225. 

 Translocation material, in plants, 243. 

 Tri-chlor-aldehyde, 66. 

 Tri-chlor-methane, 18. 

 Tri-iodo-methane, 18. 

 Trioses, 108, 109. 

 Tripeptides, 92. 

 Trisaccharoses, 108. 

 Trypsin, 143, 145, 177. 



hydro lytic action of, 178. 

 Trypsinogen, 144, 177. 

 Tryptophane, 87. 

 Turpentine, 287. 

 Tyrosine, 87. 



Unsaponifiable matter, 281. 

 Unsaturated compounds, 130-134. 

 Urea, 82, 97-101. 



determination of, loi. 



experiments, loi. 



formation of, loo. 



in blood, 223. 



in body, 205, 



