452 



INDEX. 



Decomposition, 129 

 Delafield's hematoxylin, 44 

 Deneke's spirillum, 402 

 Dengue, 170, 172 

 Dental caries, 162 

 Deodorizers, 238 

 Dermatitis, blastomycetic, 281 

 Dextrose-agar, 71 

 Dextrose-bouillon, 67 

 Diagnosis of actinomycosis, 368 

 of bubonic plague, 330 

 of cholera, 396 

 of diphtheria, 297, 338 

 of dysentery (from cultures), 387 



(serum test), 388 

 of glanders (Straus' method), 365 

 of gonorrhea, 312 

 of influenza, 337 

 of malaria, 432 

 of Malta fever, 308 

 of meningitis, cerebro-spinal, 310 

 of pneumonia, 306 

 of tuberculosis (tuberculin injec- 

 tion), 261 



(microscopic examination), 251 

 of typhoid fever, -(appearance of 



culture), 371 

 (Gruber-Widal test), 376 

 (from stools), 378 



Diphtheria, antitoxin (behavior of 



toxin-antitoxin mixtures), 223 



methods of production), 209, 



346 

 bacillus of (accidental infection, 



"5 



(cultural characters and mor- 



phology), 338 

 (in throats of healthy persons), 



175 



diagnosis, 338 



toxin (nature), 187 



(analogy with ferments), 189 

 (effect on animals on injection), 



209 



(mixed with antitoxin), 223 

 (death due to), 345 

 Diphtheritic membrane, location, 345 

 Diplococcus, definition, 119 



intercellularis meningitidis (cul- 

 tural characters and morphol- 

 ogy), 39 

 (in suppuration), 284 



of gonorrhea, 311 



of pneumonia (see Micrococcus 

 lanceolatus) 



Disease, bacteria in, 170 

 Diseases caused by bacteria, 170 

 by protozoa, 425 

 probably due to microorganisms, 



171 



infectious, immunity from, 199 

 dissemination of: by fleas, flies, 



bed-bugs, 176 

 by mosquitoes, ticks, 177 

 Disinfectants, definition, 239 



effects of the character of the 

 medium in which the tests are 

 made upon, 241 

 elective affinity of certain, 241 

 methods of testing the potency of, 



242 



specific action of certain, 241 

 testing of the potency of gaseous, 



245 



determination of the potency of, 

 242 



physical, 246 



chemical, 247 

 Disinfection at autopsies, 259 



definition of, 238 



of cadavers after infectious dis- 

 ease, 260 



of dejecta, 258 



of hands, 264 



of houses, 260 



of mouth, 258 



of sputum, 259 



of stools, 259 

 ' of urine, 259 



surgical, 252 

 Distribution of bacteria in nature, 



*35 



Diversion of complement, 233 



Dorset's egg-medium, 76 



Dressings, surgical preparation, 265 



Drigalsky-Conradi's method for de- 

 tecting typhoid bacilli in water, 



374 



Drinking water, purification of, 140 

 Drying, influence on bacteria, (see 

 Bacteria, effect of desiccation 

 upon) 



Ducrey's bacillus, 314 

 Dunham's peptone solution, 73 

 Dyes, aniline, 28 



as germicides, 251 

 for bacterial stain, 28 

 Dysentery, ameba of, 415 

 B. dysenteriae in, 386 

 B. pyocyaneus in, 318 



