MDEX. 



G33 



Bolton's potato method, 108 



Bonnet, 35 



Booker's modificEition of Es- 



march's method, 138 

 Bouillon (see Media). 

 Brieger and Cohn, 320 

 Brooding-oven, 142-149 

 Brownian motion, 205 

 Buchner, 548, 551, 555 

 Bulb for water samples, 593 

 Burdon-Sanderson, 29 

 Burner, Koch's safety, for use 



with incubator, 144 



CARBOLIC acid as disinfectant, 

 84 

 Chauveau, 544 

 Chemotaxis, 44 

 Chevreul and Pasteur, 23 

 Chlorophyll, 31, 32 

 Cholera Asiatica, diagnosis of, 467 

 method of Schotte- 

 lius, 454 

 spirillum of, 446 



behavior of, in but- 

 ter, 465 

 in milk, 464 

 in soil, 463 

 in water, 462 

 characteristics of, cul- 

 . tural, 448 

 morphological, 

 446 

 effects of drying, 466 

 existence outside the 



body, 461 

 experiments upon 



animals with, 456 

 general considera- 

 tions upon, 460 

 isolation of, 454, 467 

 location in the body, 



461 

 persistency of, in dead 



body, 463, 464, 664 

 Pfeiffer's studies 



upon, 459, 460 

 poisons produced by, 



455 

 relation to gases, 



453, 466 



to other bacteria, 



454, 465 



to putrefaction, 

 464-466 



Cholera Asiatica, spirillum of, 

 relation to sunlight, 

 463 

 specific reaction of 

 immuned animals 

 to, 459, 4U0 

 toxin of, 455 

 Chromogenic bacteria, 35 

 Classen, 27 



Cleaning of tubes, etc., 126 

 Cohn, 25 

 Colon bacillus (see Bacterium Coli 



Commune). 

 Colonies, counting of, 599 



study of, 150 

 Comma bacillus (see Cholera Asi- 

 atica). 

 Complement (Ehrlich and Mor- 



genroth), 570 

 Cooling-stage, 132-137 

 Comet, 321 



Corrosive sublimate as disinfect- 

 ant, 79 

 Cover-slips, cleaning of, 158 

 impression, 162 

 microscopic examination of, 



202 

 preparation of, 158 

 steps in making, 158, 159 

 Cultures, gelatin, 208 

 hanging-drop, 204 

 potato, 209 

 pure, 152 

 reactions of, 210 

 stab- and smear-, 152 

 Cygnaeus, 414 



DECOLOEIZING solutions, 181 

 Decomposition, 33, 507 

 Defensive proteids, 541, 553 

 Deneke's cheese spirillum (see 



Spirillum tyrogenum). 

 Denitrifying bacteria, 36 

 De Eossi's flagellar stain, 179 

 Diphtheria, antitoxin, 405 

 bacillus of, 386-407 



cultural peculiarities of, 



392-395 

 experiments upon, 404 

 location in tissues, 397 

 method of obtaining, 386 

 modification in virulence, 



400 

 morphology of, 388 

 pathogenesis of, 395 



