536 



INDEX. 



Cover-slips, preparation of, 141 

 steps in making, 141 



Cultures, gelatin, 187 

 hanging-drop, 183 

 potato, 188 

 pure, 135 

 reactions of, 189 

 stab- and smear-, 135 



Cygnseus, 347 



DECOLORIZING solutions, 

 160 

 Decomposition, 27 

 Defensive proteids, 469 

 Deneke's clieese spirillum (see 



Spirillum tyrogenum). 

 Denitrifying bacteria, 30 

 Diphtheria, bacillus of, 325-341 

 cultural peculiarities of, 



380-334 

 experiments upon, 340 

 location in tissues, 335- 



337 

 method of obtaining, 



325 

 modification in viru- 

 lence, 338 

 morphology of, 327 

 pathogenesis of, 334- 



340 

 poison produced by, 337 

 potency of, 459 

 principles of immuniz- 

 ing against, 430, 431 

 pseudo-diphtheria bac , 

 339 

 histological changes accom- 

 panying, 336 

 Diplococci, 38 



Disinfectants and antiseptics, ex- 

 periments with, 521 

 general considerations, 64-71 

 methods of testing, 512 



precautions to be ob- 

 served, 514 

 use of animals as test-objects 



for, 519 

 use in the laboratory, 70-71 

 Disinfection, general considera- 

 tions, 64-71 



Disinfection, influence of temper- 

 ature on, 67 



inorganic salts in, 65-67 



in the laboratory, 70, 71 



modus operandi, 66 



reliable agents for purposes 

 of, 69, 70 



selection of agents to be 

 used in, 65, 66 

 Dunham's solution, 104 



E BERTH, 23 

 Ehrlich, 23 

 Emmerich and Powitzky, 478 



and Mattel, 472 

 Erysipelas, 256 

 Escherich, 357 

 Esmarch tubes, 120, 123 



Booker's method of roll- 

 ing, 121 

 made of agar-agar, 122 

 Exposure and contact-experi- 

 ments upon, 236 



FACULTATIVE bacteria, 34 

 use of the term, 34 

 Fehleisen, 23 

 Fermentation, 27, 191 



gases resulting from, 193 

 particular forms of, 30 

 -tube, 192 



method of using, 192- 

 194 

 Filter, method of folding, 85-87 

 Finkler-Prior bacillus, 394-399 

 Flagella, 45, 46 



methods of staining, 155- 

 159 

 Bunge's, 157 

 Loeffl'er's 155 

 van Ermengem's, 158 

 Flagellated organisms, 45 

 Frankland, G. and P. F., 430 

 Funnel for filling aerobioscope, 

 510 

 for filling test tubes, 110, 



111 

 for filtering cultures, 517 

 hot water, 87 



