950 



INDEX 



Bacteria in water, 85 



mechanical action, 109, 133 



experimental action, 902 

 morphologic changes, in relation to 



infection, 103 



non-agglutinable species, 288 

 non-pathogenic, 84 

 numeric relationship, to infection, 99 

 on skin, 85, 87 

 pathogenic, 83, 84 

 physiologic changes, in relation to 



infection, 103 



recovered from feces, water-supplies, 

 etc., bacteriolytic test for identifica- 

 tion, 365 



selective affinity, 99 

 toxicity of, 95, 96 



transmission of, by suctorial insects, 86 

 virulence of, 95 

 decrease, 96 

 increase, 96 



by addition of animal fluids to 



culture-medium, 97 

 by passage through animals, 96 

 by use of collodion sacs, 97 

 Bacteria-free filtration, preservation of 



serum by, 76 

 Bacterial anaphylactogens, 583 



antigens, identification of, comple- 

 ment-fixation test for, 531 

 preparation, in complement fixa- 

 tion, 498 

 principles of complement fixation 



with, 501 



standardizing, for complement fixa- 

 tion, 500 

 chemotherapy, bactericidal tests in, 



883 

 diseases, chemotherapy in, 881 



complement fixation in 498 

 emulsion in opsonic index, 197 

 ferments, 254 



invasion, factors preventing, 90 

 mechanism, 91 

 normal defenses against, 90 

 precipitinogens, preparation, 336 

 precipitins, experimental work, 922 

 precipitin test with, 320 



technic, 336 

 production of, 71 

 proteins, 109, 127 

 action, 129 



experimental work, 900 

 nature, 128 

 Vaughan's theory, 130 

 split proteins, 128 

 toxins, 109. See also Toxins. 

 vaccines, 210, 656. See also Vaccines, 



Bactericidal power of blood, capillary 

 pipet method of measuring, 377 



Neisser and Wechsberg's method 

 of measuring, 371 



plate culture method for measur- 

 ing, 371 



Bactericidal power of blood, plate cul- 

 ture method, technic, 372 

 Stern and Korte's experimental 



work, 939 



method of measuring, 371 

 Topfer and Jaffe's method of 



measuring, 374 

 Wright's capillary pipet method 



of measuring, 377 

 Bactericidins, 359 

 Bacterin, 656 



therapy, 654, 657, 660 



history, 654 

 Bacteriolysins, 156, 340, 358 



and hemolysins, analogy between, 



389 



definition, 359 

 experimental work, 891 

 history, 358 



influence of, on endotoxins, 362 

 normal, 363 

 origin, 360 



practical applications, 363 

 production of, 69 

 properties, 363 

 specificity, 363 

 Bacteriolysis, 148, 358 



and hemolysis, analogy between, 389 

 experimental work, 939 

 mechanism, 362 

 Bacteriolytic amboceptor, 157, 341 



titration of, 347 

 complement, titration of, 356 



Gay and Ayer's method, 356 

 power of blood, microscopic method of 



measuring, 939 



serum in treatment of disease, 381 

 method of titrating, 366 

 production of, 69 



test for identification of bacteria re- 

 covered from feces, water-sup- 

 plies, etc., 365 



method of testing virulence of cul- 

 ture, 365 

 of titrating bacteriolytic serum, 



366 

 Pfeiffer's, 364 



experimental work, 938 

 in diagnosis of disease, 370 

 technic of, 369 



preparing immune serum, 365 

 technic, 364 



Bacteriotropins, 147, 187, 191 

 experimental work, 908 

 quantitative estimation, experimental 



work, 910 



Neufeld's technic, 203. See slso 

 Neufeld's quantitative estima- 

 tion. 



Simon's method, 206 

 Bail's classification of bacteria, 125 



hypothesis, 124 



Bandi and Term's plague vaccine, 696 

 Bang's disease among cattle, abortin 

 test, 648 



