676 



SUBJECT INDEX 



Vitamin H, see Biotin 

 Vitamin K, 124, 327, 379 

 Vitamin P, 231 



W 



Water, 



in scorbutic; animals, 309 

 Wood-Werkman reaction, 



in aspartic acid S3'nthesis, 576-577 

 Wounds, 



in scurvy, 274-275, 358 



Xanthosis cutis, 163 

 Xanthophylls, 7-8, 20, 83, 94, 97 



separation from vitamin A, 91 

 Xeroderma, 



in avitaminosis A, 154-157 

 Xerophthalmia, 98, 111, 141, 142 



early investigations of, 143-144 



external manifestations of, 144-145 



histopathology of, 145-147 



response to therapj', 147 

 Xerosis, 



in vitamin A deficiency. 111 

 X-raj's, 



in diagnosis of scurv\', 360-361 

 Xj'lene, 



in ascorbic acid assa}', 257 

 m -Xylene, 11 

 Xylose, 255 

 L -Xylose, 209 

 L-Xylosone, 



in ascorbic acid synthesis, 188, 189, 209 



Yeast, 



in biotin assaj'', 594 



Zeaxanthin, 20, 95, 97 



"Zoopherin," 477, see also Vitamin B12 



