INDEX OF MATTER 



309 



Urea, 283, 287. 

 Urease, 3. 



Vesuvin, 166. 



Vibrio cholerae, see Cholera vibrions. 

 Vibrio Metschnikovi, 165. 

 Vibriolysin, 39, 40, 41-43, 113, 187. 

 Vital processes, 136. 



W 



Water-moccasin, 117, 211, 213. 

 Whey, 75. 



Yeast, 139-141. 

 Yolk, 123. 



Zymase, 3, 141. 



