1192 



INDEX OF SUBJECTS 



Vaccine production (small-pox), 894 



calf inoculation, 896 



collection and sterilization of pulp, 

 897 



humaii-calf-rabbit seed virus, 896 



method of testing, 897-898 



' l retrovaccination, ' ' 896 



"seed virus/' 896 

 Vaccine therapy (Wright), 342 



autogenous, 342 



dosage in staphylococcus infection, 

 344 



method of counting, 343 



negative phase in, 344 



positive phase in, 344 



production of, 342 



Vaccinia, or cowpox, relation to small- 

 pox, 894 



Vanillin test for indol, 199 

 Variola or small pox, 890-899. See Small- 

 pox 

 Varicella or chicken pox distinct from 



smallpox, 894 



Venereal diseases, Public Health man- 

 agement of, 556 

 Vibrion septique, 756 



antitoxin, 758 



discovery of, 756 



differentiation from symptomatic an- 

 thrax, 759 



method of identifying, 753 



occurrence of in war wounds, 756 



pathogenicity of, 738 



toxin production, 757 



types of, 757 

 Vincent's Angina, 867-869 



fusiform bacilli, in, 868 



in throat smears, 216 



spirilla in, 868 

 Vinegar, making of, 57 

 Virulence, 



relation to capsulation, 14 



loss of due to cultivation at high 

 temperatures, 39 



definition of, 232 



problem of, 348 



Bail's aggressin theory, 349 

 arguments against, 350 



Virulence, problem of, Bail's agressin 

 theory, relation to anaphylatoxin, 351 

 * ' Virus fixe ' ' in rabies therapy, 901 

 Vitamines in bacterial nutrition, 33 

 Vulvovaginitis due to gonococcus, 556 



WADSWOKTH capsule stain for smear* 



and sections, 118 

 Wassermaim test for syphilis, 317 

 actual test, 322 

 antigen, 317 



alcoholic extract of heart muscle, 

 318 



cholestrinized, 318 



Noguchi's acetone insoluble lipoid, 

 318 



spirochaeta pallida, 860 

 complement in, 321 

 hemolytic serum, 319-320 



production of, 319 



titration of, 320 



unit of, 320 

 modifications of, 323 

 serum to be tested for syphilitic anti- 

 body, 321 



sheep corpuscles, 321 

 Water, bacteria in, 1016 



pathogenic bacteria in, 1016, 1017 



in surface water, 1017 



in rain and snow, 1017 



in "ground" water, 1018, 1019 



quantitative estimation of, 1019, 1020 



standard medium for, 1020 



procedure, 1021 



expression of results, 1021 

 qualitative estimation, 1021 



typhoid isolation from, 1022 

 Weil's disease, 885-888 



clinical description, 885-886 

 etiology, spirochseta icterohsemor- 

 rhagiae, 886 



cultivation of, 886, 887 

 prevention, 888 

 serum treatment, 888 

 transmission, 887 

 Weil-Felix reaction, non specificity of, 



942 



