824 



INDEX OF SUBJECTS 



Diphtheria bacillus, cultivation of, 516 

 degenerative forms of, 19 

 determination of virulence of, 519 

 differentiation of, from other forms, 



107. 523 et seq. 

 grouping of, 515 

 isolation of, 517 

 morphology of, 513 



"ground" type in, 514 

 occurrence of, in body, 518, 519 

 pathogenicity of, 518 

 in animals, 519 

 "pseudo-membranes" in, 518 

 resistance of, 515 

 staining -of, 574 



Gram's method of, 507 

 polar or Babes-Ernst bodies in, 514 

 Neisser's stain for, 514 

 Roux's stain for, 515 

 toxin of, 520. See also Diphtheria 



toxin 

 chemical and physical properties 



of, 521 

 production of, 520 



media employed in, 520 

 Park-Williams Bacillus No. 8 in, 



520 



resistance of, 522 

 Diphtheria carriers, 522 

 Diphtheria toxin, analysis of (Ehr- 



lich), 205-215 

 method of partial absorption in, 



209 



side-chain theory of, 212 

 summary of, 215 

 constitution of (Ehrlich), 210, 

 graphic form of (Ehrlich), 211 

 views of Arrhenius and Madsen on, 



212 



epitoxoid in, 208 

 molecule of, haptophore group in, 207 



toxophore group in, 207 

 neutralized, active immunization 



with, 527 



normal solution of, 205 

 partial absorption of, 209 

 standardization of, Limes death in, 

 208 



Diphtheria toxin, standardization of, 



Limes zero in, 207 

 time changes in, 206 

 toxoid form of, 207 

 protoxoids in, 209 

 syntoxoids in, 209 

 toxon in, 209 

 unit for, 205 

 Diphtheroid bacilli, 526 

 Diplococcus gonorrhoeas, 380 

 antibodies to, 385 

 cultivation of, 381 



conditions favorable to, 383 

 Wertheim's medium for, 381-382C 

 differentiation of, from Micrococcus 



catarrhalis, 386 

 early work in, 380 

 infection by, in man, 384 

 morphology of, 380 

 Pappenheim-Saathof stain of, 381 

 pathogenicity of, in animals, 384 



in man, 384 

 resistance of, 383 

 staining of, 381 



Diplococcus lanceolatus. See Diplococ- 

 cus pneumonise 

 Diplococcus mucosus, 387 

 Diplococcus pneumonias, 352 

 cultivation of, 355 

 differentiation of, from streptococcus, 



357, 367 

 cultural, 369 

 morphological, 367 

 by bile test, 370 

 by capsule, 368 

 by fermentations, 369 

 by grouping, 367 

 by growth in blood media, 367, 



370 



by shape, 367 

 immunization against, 362 

 active, methods of, 363 

 agglutinins in immune sera in, 363 

 table of, 364 

 technique of, 366 



precipitins in immune sera in, 365 

 passive, with immune sera, 365 

 isolation of, 358 



