INDEX 



753 



Whooping-cough, serum reaction, 



486 

 Whooping-cough bacillus, medium 



for, 45 

 Widal on serum diagnosis, 579 

 Widal's reaction, synonym for 

 agglutination of b. typhosus, 

 q.v., 116, 378 

 Williams and Lowden on Negri 



bodies, 615 

 Winogradski, 24 

 Winter-spring fevers, 633 

 AVolff and Israel's streptothrix, 



330 

 Woodhead on tuberculosis, 288 

 Woody tongue, 325 

 Woolsorter's disease, 345 

 Wounds, anaerobes in infected, 440 

 Wright's, A. E., bactericidal 

 method, 123 

 calibrated pipette, 115 

 method of counting dead bacteria, 



132 

 opsonic technique, 121 

 vaccination against tuberculosis, 



296 

 vaccination treatment of pyogenic 

 infections, 223 



Wright, J. H., on anaerobic 

 streptothrices, 328 

 on Leishmania tropica, ^675 

 Romanowsky stains, 113 



Xerosis bacillus, 416 

 Xylol, 98 



Yaws, spirochetes in, 524 

 Yeasts, 534 

 Yellow fever, 679 



bacteria in, 680 



etiology of, 680 



mosquitoes in relation to, 681 

 Yersin (see also Roux) on plague, 



487, 498 

 Yersin's anti-plague serum, 499 



Zettnow's method for staining 



flagella, 109 

 Ziehl-Neelsen stain, 105 



Fraenkel's modification, 106 

 Zone phenomena in agglutination 



580, 582 

 Zooglcea, 3 

 Zygomycetes, 533 

 Zygospore, 533 

 Zygote (malaria), 632 



48 



