INDEX OF SUBJECTS 



761 



Streptococcus pyogenes, resistance of, 

 339 



staining of, 337 



susceptibility of animals to, 341 



toxic products of, 344 

 endotoxins, 344 

 hemolysins, 344 



virulence of, 340 

 Streptococcus salivarius, 349 

 Streptothrix, 38, 619 



cultivation of, 621 



morphology of, 619, 621 

 Sublethal doses of virulent bacteria in 



active immunization, 195 

 Sugar-free broth, 125 

 Sulphates in nutrition of bacteria, 29 

 Sulphur bacteria, 60 



physiology of, 61 



spectroscopic examination of, 61 



varieties of, 60 

 Sulphur dioxid as disinfectant, 86 

 Sulphuretted hydrogen. See Hydrogen 



sulphid 

 Suprarenal cytotoxin, 201 

 Swine-plague bacillus, 553 



differentiation of, from hog-cholera 

 baciUus, 554 



immunization against, 553 



morphology of, 553 



pathogenicity of, 553 

 Symbiosis of bacteria, 31 

 Symptomatic anthrax, bacillus of. See 



Anthrax, symptomatic 

 Syphilis, 593 



in monkeys, 602 



in rabbits, 602 



microorganism of. See Spirochaeta 

 paUida 



Tanning of hides, bacteria in, 716 

 Temperature, attained by application 

 of various degrees of pressure, 72 

 effect of, on activity of bacteria, 15 

 high, 34 

 low, 34 

 relation of, to bacteria, 31 

 maximum, 32 

 minimum, 32 



Temperature, relation of, to bacteria, 

 optimum, 32 

 to cultures with spores, 33 

 to vegetative forms, 33 

 "Tetanolysin," 205, 464 

 "Tetanospasmia," 463 

 Tetanus antitoxin, 220 

 production of, 220 

 horses used in, 221 

 technique of, 221 

 toxin for, 220 

 standardization of, 222 

 unit of (Society of American Bacteri- 

 ologists), 222 

 Tetanus bacillus, 456 

 autopsy findings in infections of, 460 

 biological characteristics of, 458 

 cultivation of, 458 

 distribution of, 457 

 early observation of, 456 

 favorable conditions for growth of, 459 

 incubation of, 460 

 isolation of, by Kitasato, 456 

 morphology of, 456 

 pathogenicity of, 459 

 following wounds, 460 

 relation of spores to, 459 

 resistance of, 469 

 staining of, 457 

 toxin of, 460 

 central nervous system attacked by, 

 463 

 mode of reaching, 463 

 incubation period of, 463 

 isolation of, 461 

 by chemical reaction, 462 

 by filtration, 461 

 by precipitation, 461 

 production of, 461 

 resistance of, 462 

 strength of, 462 



susceptibility of animals to, 462 

 Tetanus spores, transportation of, to 



organs, 460 

 Thermal death points, 34 

 Thermo-regulators for incubators, 159 

 Lautenschlager's, 158, 159 

 Reichert, 158, 159 



