964 



GENERAL INDEX 



Water, in muscle, 571 

 Wax, 232 



in plants, 796 



" Wear and tear " quota, 859 

 Weiss' sparing theory, 374 

 Weyl's creatinine reaction, 661 

 Wheat bread, 511 

 Whey protein, 617 

 Witch's milk, 632 

 Wool-fat, 424, 797 

 Work, action of the necessity for food, 



878, 879 

 action on metabolism, 562-569, 



867, 868 



influence on elimination of nitro- 

 gen, 476, 565, 566, 867, 868 

 influence on elimination of chlorine, 



719-720 

 influence on elimination of sulphur, 



567 



Worm-Miiller's sugar test, 759 

 Wound secretion, 343 



Xanthine, 182-184 



in urinary calculi, 786, 787 



in urinary sediments, 784 



in urine,- 676 



oxidase, 12, 351, 667 



preparation and detection of, 



188 



Xanthocreatinine, 550, 565, 663 

 Xanthomelanin, 82 



Xanthophan, 586 



Xanthophyll group, 600 



Xanthoproteic reaction for proteid, 99 



Xylene, behavior in animal body, 739 



Xyliton, 793 



Xylose, 179, 194, 204, 224, 362 



relation to formation of glycogen, 

 372 



Yeast cells, 9, 17, 369 

 Yolk, constituents, 597 



membrane, 597 



mineral bodies of, 600 



of hen's eggs, 596-601 



phosphatides of, 599 



spherules, 93, 596, 605 



Zein, 77, 105, 160 

 Zinc, in the bile, 411 

 in the liver, 367 

 passage into milk, 637 

 Zooerythrin, 795 

 Zoofulvin, 795 

 Zoorubin, 795 

 Zuntz-Geppert's method of determining 



respiratory gas exchange, 820 

 Zymase, 9, 17, 58, 200 

 Zymogens, 11, 60. See also respective 



enzymes. 

 Zymoplastic substances, 302, 305-307, 



310 



