INDEX. 



447 



Urine, purine bases in, 405 



quantitative analysis of, 366 



reaction of, 256, 300 



silicates in, 265, 304 



sodium in, 265, 302 



solids of, 259, 408 



specific gravity of, 258 



sulphates in, 265, 296 



transparency of, 255 



unknown substances in, 305, 342 



urea in, 264 



uric acid in, 264, 271 



urorosein in, 305, 341 



volatile fatty acids in, 265, 290 



volume of, 254 

 Urobilin, 254, 265, 292 



tests for, 293 

 Urochrome, 254, 292 

 Uroerythrin, 10, 254, 292, 312 

 Uroferric acid, 264, 285, 342 

 Uroleucic acid, 264, 288 

 Urorosein, 305, 341 



tests for, 341 



Valine, 75 

 Vegetable amylase, 9 



lipase, 10 



protease, 9 



sucrase, n 



Vegetable globulins, 86 

 Vegetable gums, 22 

 Veith lactometer, determination of 



specific gravity of milk by, 410 

 Viscosity test, 57 

 Vitellin, 87, 88 



Volatile fatty acids, 162, 165, 265, 290 

 Volhard-Arnold method for determina- 

 tion of chlorides, 396 

 Volume of the urine, 254 



Wax myrtle, 136 



Waxy casts in urinary sediments, 351, 

 358 



Weber's guaiac test for blood in feces, 



178 

 Weinland, formation of fat from protein, 



135 



Weyl's test for creatinine, 278 

 Wheeler-Johnson reaction for uracil and 



cytosine, 107 

 White fibrous connective tissue, 227 



experiments on, 228 

 Wirsing's test for urobilin, 293 

 Wohlgemuth's method for quantitative 



determination of amylolytic activity, 16 



Xanthine, 236, 239, 241 



crystalline form of, 239 



formula for, 241 



in urinary sediments, 344, 350 



isolation of, from meat extract, 246 



Weidel's reaction for, 247 

 Xanthine bases (see Purine bases, pp. 



107, 405) 

 Xanthine silver nitrate, 246 



crystalline form of, 247 

 Xanthoproteic reaction, 91 

 Xylose, 21, 38 



orcin reaction on, 38 



phenylhydrazine reaction on, 38 



Tollens' reaction on, 37 



Yellow elastic connective tissue, 230 

 composition of, 230 

 experiments on, 231 



Zappert slide, 216 



Zein, 105 



Zeller's test for melanin, 341 



v. Zeynek and NencH's haemin test, 199, 



322 



Zikel pektoscope, 260 

 Zymase, preparation of, 2 

 Zymo-exciter, 5 

 Zymogen, 5, 120 



