INDEX 



651 



ULTRAMICROSCOPE, 178 

 Ultramicroscopic examination of bacte- 

 ria, 178 



viruses, 555-564 

 Urease, 51 



Ureter, bacteria of, 105 

 Urethra, bacteria of, 105 

 Urinary bladder, bacteria of, 105, 361 

 Urine, bacteria in, 229, 470 



collection of, 229 



disinfection of, 252 

 Uterus, bacteria of, 104 



VACCINATION against smallpox, 574-576 

 Vaccine, bacterial, 166-174 



dosage of, 173 



indications for use of, 166-174 



preparation of, 171-173 



prophylactic, 170 



therapeutic, 170 



therapy of Wright, 166-174 



virus, 572-574 



bacteria in, 574 

 Noguchi germ-free, 574 

 preparation of, 572-574 

 sources of, 573 

 tetanus spores in, 481, 574 

 Vaccinia, 571 

 Vagina, bacteria of, 104 

 Variola, 571 



Vaughan theory of anaphylaxis, 136 

 Vibrio cholerse, 499 



el Tor, 502 



Nasik, 502 



proteus, 511 

 Vibrion septique, 493 

 Vielheit of streptococci, 280 

 Vincent's angina, 530 

 Virus fixe, 568 

 Vomitus, disinfection of, 252 



W 



WARM stage for bacteria, 177 

 Wassermann reaction, 156-165, 520 



Water bacteria, 352, 618 



borne infection, 93, 620 



contamination of, 620 



examination of, 621 



interpretation of analyses of, 622 



purification of, by bacteria, 619 

 and nitrogen cycle, 619 



standards of purity of, 622-625 

 Weil's disease, 362 

 Welch bacillus, 488 



capsule stain, 180 

 Welch-Nuttall test, 490 

 Whooping-cough, 420 

 Widal reaction, 339-343 

 Woolsorter's disease, 377 

 Wounds, bacteria of, 98 

 Wright's anaerobic culture method, 210, 

 212 



stain, 184, 185 



XANTHIN bases in bacteria, 63 

 Xerosis bacillus, 99, 404, 405 

 distribution of, 99 

 morphology of, 404, 405 

 pathogenesis of, 405 

 X-r r s, effect of, on bacteria, 46 



YAWS, 526 



Yeasts, 102, 549. See also Blastomycetes. 



Yellow fever, 561, 562 



dissemination of, 561, 562 



etiology of, 561 



immunity of, 562 



mosquitoes in, 562 



ZIEHL-NEELSEN stain, 184 

 Zooglea, bacterial, 26 

 Zygospore, 542 

 Zymase, 51, 550 



