INDEX OF SUBJECTS 



845 



Streptococcus pyogenes, morphology 

 of, 337 



pathogenicity of, 340 

 in animals, 340 

 in man, 342 



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, 37, 619 



cultivation of, 621 



morphology of, 619, 621 

 Sublethal doses of virulent bacteria in 



active immunization, 195 

 Suctoria. See Infusoria 

 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, 88, 



89 

 Sulphuretted hydrogen. See Hydrogen 



sulphid 



Suprarenal cytotoxin, 201 

 Surra, clinical course of, 745 



occurrence of, 745 



parasite of, 745 



transmission of, 745 

 Swine-plague bacillus, 553 



differentiation of, from hog-cholera 

 bacillus, 554 



immunization against, 553 



morphology of, 553 



pathogenicity of, 553 

 Symbiosis of bacteria, 30, 31 

 Symptomatic anthrax, bacillus of. See 



Anthrax, symptomatic 

 Syphilis, 593 



in monkeys, 601 



in rabbits, 602 



microorganism of. See Spirochseta 

 pallida 



TANNING of hides, bacteria in, 720 

 Telosporidia. See Hemosporidia 

 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, 31 

 minimum, 31 

 optimum, 32 



to cultures with spores, 33 

 to vegetative forms, 33 

 Tertian fever, parasite of, 767 



symptoms of, 776 

 "Tetanolysin," 205, 464 

 "Tetanospasmin," 463 

 Tetanus antitoxin, 220 

 production of, 220 

 horses used in, 221 

 technique of, 221 

 toxin for, 220 

 standardization of, 222 

 therapeutic value of, 464 

 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, 459 

 staining of, 457 

 toxin of, 460 



central nervous system attacked 



by, 463 



mode of reaching, 463 

 incubation period of, 463 

 isolation of, 461 



