INDEX. 



627 



Bacteria, systematic study of, 

 morphology, 174 

 pathogenesis, 179 

 temperature and, 45 

 thermal death-point of, 81 

 thermophilic, 46 

 thiogemc, 36 

 water, 46 

 zymogenic, 36 

 Bacterial proteins, 40 

 Bacteriological analysis of air, 



609 



of milk, 615 

 of water, 585 



Bacteriology, application of, 243 

 historic sketch of, 17-30 

 preliminary experiments, 243- 



245 



Birsch-Hirschfeld, 26 

 Blood-serum from small animals, 



113 



apparatus, 113 

 Loeffler's, 121 

 preparation of, 111 

 preservation of, 116 

 Bonnet, 24 

 Bouillon, 99 



reaction of, 100-102 

 Brootz, 256 

 Burner, Koch's safety, 138 



pHEMOTAXIS, 47 



\J Chevreul, 23 



Cholera Asiatic, bacteria of, 458- 



476 



antagonisms of, 466 

 cultivation of, 460-466 

 general considerations of, 



472 



grouping of, 459 

 immunity from, 470 

 Pfeiffer's work on, 470- 



472 



in dead bodies, 474 

 in food, 475 

 in soil, 474 

 in water, 473 

 influences of gases on, 476 



of light on, 473 

 morphology of, 458-460 

 pathogenesis of, 467 

 poison of, 466 

 resistence of, 476 

 when dried, 476 

 diagnosis of, 476 

 by cultures, 478 

 by microscope, 477 



Cohn, 25 



Colon bacillus, 438 

 Colonies, study of, 144 

 Complement, 576-584 

 Cooling stages, 130-132 

 Comma bacillus, 458 

 Corrosive sublimate. 255 

 Cover-slip preparations, [exami- 

 nation of; 184 

 hanging block, 190 



drop, 185 

 impression, 156 

 preservation of, 155 

 steps in making and stain- 

 ing, 153 



Culture media, 99 

 Cultures, filtration of, 204 

 gelatin, 191 

 hanging block, 190 



drop, 185 

 potato, 192 

 pure, 146 

 smear, 146 

 stab, 146 

 test tube, 146 



TkECOLORIZING solutions, 160 

 -L/ Pappenheim's, 164 

 Defenses, normal, of body, 549 

 Diphtheria, 387-410 

 antitoxin, 410 

 production of, 410, 411 

 standardization of, 411-413 

 bacillus of, 387 

 bacteria simulating, 389 

 cultivation of, 393, 396 

 differential tests for, 406 



stainings, 406, 408 

 experiments with, 408, 410 

 isolation of, 387 

 loss of virulence of, 401 

 morphology of, 388, 389 

 pathogenesis of, 396 

 toxin of, 400, 542 

 variations of, 390 

 diagnosis of, 388 

 Diplococcus intracellularis men- 



ingitidis, 298 

 Disinfectants, experiments with, 



261-264 

 gaseous, 259 

 mode of action of, 84 

 testing of, 252-265 

 methods of precaution. 252- 



256 



Braatz's work, 256 

 Geppert's work, 256 

 Shaeffer's work, 256 



