766 ■ 



INDEX OF SUBJECTS 



Water, bacteria in, qualitative analysis of, 

 isolation of cholera vibrio in, 696 



Koch's method of, 696 

 isolation of colon bacillus in, 695 

 isolation of typhoid bacillus in,695 

 Adami's and Chapin's method 



of, 696 

 Drigalski's method of, 695 

 Parietti's method of, 695 

 Vallet's method of, 696 

 quantitative estimations of, 692 

 collecting of specimens for, 692 

 colon bacilli in, 698 

 colon test in, 697 



counting of bacilli in, 698 

 counting in, 694 

 incubation of specimens in, 694 

 plating of specimens in, 693 

 value of, 694 

 in bacterial cell, 21 

 Welch, discovery of Bacillus aerogenes 



capsulatus by, 471 

 Welch's method of staining capsules, 98 

 Welch's modification of Guamieri's 



medium, 129 

 Wertheim's medium for cultivation of 



gonocoecus, 381-2 

 Winckel's disease in the newborn due 



to colon bacillus, 394 

 Wires used in transferring bacteria, 141 

 Wolffhugel counting plate, 162 

 Wool-sorter's disease, 573 

 Wright, method of, of anaerobic cultiva- 

 tion of bacteria, 150 

 modification by, of Buchner's pyrogal- 

 lic method of cultivation of anaerobic 

 bacteria, 153 

 theory of opsonins of, 282 

 vaccine therapy of. See Vaccine 

 therapy of Wright 



Xerosis bacillus, 525 



Yaws, 603 



Yeast cells, cultivation of, 633 

 demonstration of, 632 

 morphology of, 629 

 reproduction in, by budding, 629 

 by spore formation, 630 



Yeasts, 629 

 differentiation of, from other microor- 

 ganisms, 629 

 fermentation by, 630 

 industrial employment of, for fermen- 

 tative purposes, 52 

 infection of, in animals, 632 

 in man, 631 



clinical picture of, 632 

 pathogenic varieties of, 633 

 Yellow fever, 668 

 clinical picture of, 668 

 distribution of, 668 

 etiology of, 668 

 immunity in, 674 



investigation of, by Guiteras and Mar- 

 choux, Salimbeni and Simond, 



673 

 results of, 673 

 by Reed, Carroll, Agramonte, and 

 Lazear, 670 

 results of, 673 

 microorganism of, biological proper- 

 ties of, 669 

 research for, 668 



by Cornil and Babes, 669 

 by Sanarelli, 669 

 by Sternberg, 669 

 Stegomyia fasciata in, 673 

 description of, 673 

 power of transmission of infection 



by, reasons for, 674 

 tropical countries most favorable 

 for, 674 

 transmission of, 670 

 by mosquitoes, 670 

 discovery of, by Finlay, 670 

 investigation and confirmation of, 

 by United States Commission, 

 670 

 Yersin, discovery of plague bacillus by, 

 555 



ZuR Nedden's bacillus, 547 



cultivation of, 547 



morphology and staining of, 547 



pathogenicity of, 547 

 Zymase, 51, 630 



(5) 



