INDEX OF SUBJECTS 



743 



Diphtheria toxin, molecule of, toxophore 

 group in, 207 

 normal solution of, 205 

 partial absorption of, 209 

 standardization of, Limes death in, 208 

 Limes zero in, 207 

 time changes in, 206 

 toxoid form of, 207 

 protoxoids in, 209 

 sjfntoxoids in, 209 

 toxon in, 209 

 unii for, 205 

 Diplococcus gonorrhoeae, 380 

 cultivation of, 381 

 conditions favorable to, 383 

 Wertheim's medium for, 381-2 

 differentiation of, from Micrococcus 



catarrhalis, 386 

 early work in, 380 

 infection by, in man, 384 

 morphology of, 380 

 pathogenicity of, in animals, 385 



in man, 384 

 resistance of, 384 

 staining of, 381 

 Diplococcus lanceolatus. See Diplococ- 

 cus pneumonise 

 Diplococcus mucosus, 387 

 Diplococcus pneumoniae, 352 

 cultivation of, 365 



differentiation of, from streptococcus, 

 357, 367 

 cultural, 368 

 morphological, 367 

 by bile test, 369 

 by capsule, 367 

 by fermentations, 369 

 by grouping, 367 

 by growth in blood media, 367, 



369 

 by shape, 367 

 immunization against, 363 

 active, methods of, 363 

 agglutinins in immune sera in, 364 

 table of, 365 

 technique of, 364 

 opsonins in immune sera in, 366 

 precipitins in immune sera in, 365 



Diplococcus pneumoniae, immunization 

 against, passive, with immune sera, 

 366 

 isolation of, 358 

 modes of inoculation'with, 361 

 morphology of, 553 

 capsules in, 353-4 

 lancet-shape of cocci in, 353 

 pairing of cocci in, 353 

 pathogenicity of, 361 

 pneumonic complications and, 362 

 resistance of, 358 

 staining of, 355 



susceptibility of animals to, 370 

 toxic products of, 362 

 virulence of, 360 

 in animals, 360 

 in man, 361 

 Disinfectants, 73 

 bactericidal strengths of common, 85 

 gaseous, 88 

 chlorine, 88 

 formaldehyde, 89 

 oxygen, 88 

 ozone, 88 



sulphur dioxide, 88 

 testing of efficiency of, 79 

 by U. S. Pubhc Health Service 



method, 80 

 carboUc-acid coefficient in, 80 

 determination of antiseptic values 

 in, 83 . 

 of disinfectant .values in, 86 

 table of, 85 

 factors in, 79 

 used in solution, 73 

 inorganic, 73 

 acids, bases, and salts, 74 

 halogens and derivatives, 75 

 chlorid of hme, 76 

 tetrachlorid of iodin, 76 

 oxydizing agents, 76 

 hydrogen peroxid, 76 

 potassium permanganate, 76 

 organic, 77 

 alcohols, 77 

 carbolic acid, 77 

 Cresol group, 78 



