INDEX 



363 



Voigt, XIV 

 Vulpian, 299 



WALDEYER, 249 



Water, distribution of bacteria in, 



116 



Weigert, great service of, 250 

 Weiss, 6 

 Willis, 54, 66 



Wine, action of oxygen on, 136 

 Berthelot, 137 

 Boussingault, 137 

 Pasteur, 136 

 aging of, 140 

 diseases of, 133 

 Liebig, 133, 134 

 Pasteur, 134, 135 

 mycoderma of, 138, 192, 197, 

 201 



Wine, heating of, 141 

 Wines and vinegars, 121 

 Wohler, 28 



YEAST, r61e in fermentation, 60, 



62, 65, 73 

 Berzelius, 76 

 Dobereiner, 75 

 Helmholtz, 63 

 Liebig, 64 

 Pasteur, 73, 75 

 Schwann, 62 



of beer, aerobic life of, 202 

 of wine, 134, 135, 217 



origin of, 214 

 supposed transformation into 



other organisms, 192, 197 

 Yersin, XVIII 

 Yourie'vitch, V 



