350 



INDEX. 



Vibrio proteus, 260 



tyrogenuin, 263 

 Vibrion septique of Pasteur (see 



Bacillus of malignant oedema), 311 



w. 



Water, bacteria in (see Examination), 



132 



Weil's disease, 314 

 Whooping-cough, 318 

 bacillus of, 319 

 infection, 319 

 Widal reaction, 111, 278 

 description of, 278 

 performed, 279 

 when applicable, 278 

 Wool-sorters' disease (see Anthrax), 

 304 



Y. 



Yeasts, 17, 156-158 



Yeasts, beer, 157 

 cultivation of, 156 

 examination of, 156 

 in malignant growths, 158 

 pathogenic, 157 

 pigment-producing, 157 

 in skin affections, 158 

 species (see Saccbaroniyces), 156, 



157 



Yellow fever, 289 

 causes, 291, 292 



bacillus (see B. icteroides), 289- 



291 



mosquito (Anopheles), 291 

 other than B. icteroides, 291, 



292 

 serum, curative, 291 



Z. 



Zoogloea, 74 



