GENERAL INDEX. 



693 



Typhoid bacillus, morphological 



characters of, 403 

 in oysters, 413 

 pathogenic properties of, 407 

 in pneumonia, 410 

 presence of, in blood, 411 



in feces and urine, 440, 676 



in foetus, 411 



in gall-bladder, 411, 675 



in sputa, 411 

 as pus producer, 410 

 staining characteristics of, 403 

 in urine, 442 

 infection of, by contaminated 



drinking water, 414 

 by milk, 414 

 immunization in, 415 



UREA, fermentation of, 67 

 Urine, bacteria eliminated 

 through, 117 



\J ACCIN ATION , immunity 



conferred by, 649, 650 

 Vaccine, bacteria in, 657 



bodies, 651 



durability of, 656 



preparation of, 652 



virus, use of, 650 

 Vincent's bacillus, 354 

 Virulence, how diminished, 96 



how increased, 96 



possessed by bacteria, 96 

 Vitality, increase of, strengthens 



immunity, 124 



WATER, bacilli of colon group 

 in, 248 

 bacteriological examination of, 



245 



contamination and purification 

 of drinking 253 



Water, domestic purification of, 



255 

 obtaining of, for examination, 



249 



typhoid bacilli in, 247 

 Whooping-cough, bacillus of, 613 

 Widal reaction, 421 

 test, 419 



advantages and disadvan- 

 tages of serum and dried 

 blood in, 424 



dilution of blood- serum to 



be employed and time re 



quired for development of, 



reaction of, 425 



mode of obtaining serum in, 



423 

 persistence of reaction in, 



428 



proportion of cases in which 

 definite reaction occurs in, 

 427 



pseudo reactions, 422 

 reaction with blood-serum 

 of healthy persons, 428 

 of those ill with diseases 

 other than typhoid fever, 

 428 



use of dried blood in, 420 

 WolfFhiigel's apparatus for count- 

 ing colonies, 227 



VEROSIS bacilli, 347 

 A 



YEASTS, 625 



1 Yellow fever, bacillus of, 609 



yiEHL'S carbol-fuchsin solu- 

 L tlon for tubercle bacilli, 303 

 carbolic fuchsin solution, 202, 

 Ziehl-Neelson's method, 310 



