842 



INDEX OF SUBJECTS 



ory of lytic process in blood serum, 

 226 



Slanting of culture media, 123 

 Sleeping sickness. See Trypanosomi- 



asis 



"Slimy" milk, bacteria causing, 703 

 Smallpox, 657 



etiological factor of, 657 

 immunization in, 658 

 by vaccination, 659, 663 

 Jenner's discovery of, 659 

 technique of, 663 

 value of, 663 

 production of vaccine for, 647. See 



also under Vaccine 

 occurrence of, 657 

 protozoan incitant of, research for, 



657 



relation of chicken-pox to, 660 

 relation of cowpox to, 659 

 transmission of, 658 

 vaccine bodies in, discovery of, 657 

 explanations for, 658 

 Swing's, 658 



Smegma bacillus, 502, 503, 594 

 cultivation of, 504 

 morphology of, 503 

 occurrence of, 503 

 staining of, 504 



identification of bacillus by, 504 

 tubercle bacillus and, differentiation 



between, by stains, 106 

 Smith's modification of Pitfield's meth- 

 od of staining flagella, 101 

 Snake poison, antitoxin for, 199 

 Soil, bacteria in, 685 



from burial of infected cadavers, 



687 



in agricultural regions, 685 

 numerical estimation of, 687 

 pathogenic, in surface layers, 686 

 Solutions, saturated, for staining of 



bacteria, 95 

 staining-power of, 96 

 Soor. See Thrush 



Southern cattle fever, parasite of, 787 

 Species immunity, 190 

 differences in, 190 



Specific gravity of forms of bacterial 



cell, 24 



"Specific precipitates," 235-236 

 Spider poison, antitoxin for, 199 

 Spinal fluid, bacteriological examina- 

 tion of, 176 

 Spirillacese,,37 

 Spirillum, 37 



description of, 9 

 Spirillum choleras asiaticae. See under 



Cholera 



Spirillum Deneke, 591 

 Spirillum of Finkler-Prior, 539 

 Spirillum Massaua, 591 

 Spirillum Metchnikovi, 590 

 Spirochseta, genus, 37 

 Spirochseta anserina, 616 

 Spirochaeta calligyrum, 617 

 Spirochseta Duttoni, 610 

 Spirochseta gallinarum, 615 



cultivation of, by Noguchi, 616 



immunization against, 616 



similarity of, to Spirochseta anser- 

 ina, 616 



transmission of, 615, 616 

 Spirochaeta icterohaemoragica, 617 

 Spirochseta macrodentium, 617 

 Spirochseta microdentium, 617 

 Spirochaeta pertenuis, 614 



morphology of, 615 



similarity of, to Spirochaeta pallida, 



615 



Spirochseta phagedenis, 616 

 "Spirochaeta refringens," 595 

 Spirochaete of relapsing fever. See Re- 

 lapsing fever spirochsete 

 Spirochsete of Vincent's angina. See 



Vincent's angina, spirochaete of 

 Spirochaetes, cultivation of, 593 



differentiation of, from spirilla, 593 



diseases caused by, 592. See also 

 under specific names 



reproduction in, 592 



structure of, 592 

 Spirosoma, 37 

 Splenomegaly, infantile, 758 

 Spore stains in staining of bacteria, 



97 



