INDEX. 



707 



Vesuvin as a stain, 25 



as a double stain in bacterial prepa- 

 rations, 28 

 Vibrio, general characters, 18 



aquatilis (Giinther), remotely resem- 

 bling the spirillum of cholera, <306 

 Berolinensis (Neisser), its differenti- 

 ation from the cholera spirillum, 

 607 



Danubicus (Heider), its differentia- 

 tion from the cholera spirillum, 

 608 



of Ehrenberg, 3, 10 

 helcogenes ^Fischer), remotely resem- 

 bling the cholera spirillum, 607 

 Metschnikovi (Gamele'ia), 604 

 Vibrion septique (Pasteur), 580 

 Vibrionieus of Ehrenberg, 3, 10 

 Vibrio-proteus, 602 

 Vibrios of Celli and Santori, 60S 



resembling the spirillum of cholera, 



600 



list of species found in water, 639 

 phosphorescent, not genuine cholera 



germs, 608, 609 



Vincent's method of detecting colon ba- 

 cilli in water supplies, 640 

 Violet rays of spectrum, germicidal 



power of, 161 

 Virulence, attenuation of, in cultures, 



130, 388 



intensification of, 132, 388 

 recovery of, 132 

 Viscous fermentation, 141 

 Vital resistance theory of immunity, 252 

 Vitality of bacillus of hog cholera, 505 

 of the typhoid bacillus in cultures, 



442 



Von Dungern's capsule bacillus distin- 

 guished from others of similar mor- 

 phology, 562 



WATER, action of, on the cholera spiril- 

 lum, 597 

 bacteria in, 626 <- 



list of species found in, 638 

 number not dependent on the 

 amount of organic matter pres- 

 ent, 635 

 distilled, growth of bacteria in, 635 



Water, pathogenic bacteria that may be 



present in, 636 

 bacteria, detection of, 640 

 bacteriological analysis of, 628 

 collection of. for analysis, 627 

 importance of immediate exam- 

 ination, 627 

 chemical analysis of, advantages of, 



631 

 filtration, efficiency determined by 



counting colonies, 641 

 supplies, detection of colon bacilli 



in, 535 

 difficulty of finding typhoid 



bacilli in, 441, 444 

 sanitary inspection of source 

 more important than bacterio- 

 logical or chemical analysis, 

 641 

 vibrios, remotely resembling the 



spirillum of cholera, 606 

 Waters, surface, frequency of the colon 



bacilli in, 640 

 Weichselbaum's diplococcus intracellu- 



laris ineningitidis, 410 

 micrococcus endocarditidis rugatus, 



416 

 Weigert's method of staining bacteria in 



tissues, 35 

 of staining used in sections of 



nodules of glanders, 493 

 Welch and Abbott's cultivation of the 

 bacillus of diphtheria on po- 

 tato, 455 

 inoculations of kittens with the 



diphtheria bacillus, 452 

 Well water, number of bacteria in, 634 

 Widal reaction given by blood serum of 

 those subjected to antityphoid 

 inoculation, 369 

 in Malta fever, 421 

 Wildseuche, 287, 499 

 Winogradsky's silicate jelly, 47 

 Wintergreen, antiseptic power of, 203 

 Wolffhugel's experiments on the thermal 



death-point of bacteria, 154 

 Wolter's opinion that positive results in 

 attempts to inoculate leprosy were due 

 to associated tubercle bacilli, 488 

 Woollen underclothing bacteria on, 649 



