INDEX 



327 



Dallera, 288 



Dark-field illumination, 31, 201 

 Davaine, 307, 308, 314 

 Death point, thermal, 53 



determination of, 212 

 Decomposition, how caused, 92, 93 

 importance of, 95 

 of urea, 93 

 Deep culture tubes, 187 

 Deficiency, vitamine, 246 

 Degeneration forms, 39 

 Delousing in typhus, 238 

 De Martin, 315 

 Denitrification, 100 

 Deodorant, 117 

 Description of enzymes, 107 

 Descriptive chart, 214 

 Development, conditions for, 50 

 D'Herelle, 278 



Diagnosis, agglutination test in, 

 213 

 anaphylaxis in, 292 

 complement fixation in, 277 

 immunity reactions in, 251 

 material for bacteriological, 225 

 methods of, 251 

 precipitin test in, 265 

 Widal test in, 264 

 Diaphragm, 200 

 Diastase, 110 

 Diffusion of food through cell wall 



23 

 Digestion of proteins, 89 

 Dilution method of isolation, 191 



plates, 191, 192 

 Dimethylamine, 90 

 Diphtheria antitoxin, 250, 310 

 unit of, 259, 260 

 bacilh, granules in, 29 



involution forms of, 39 

 carriers in, 235 

 immunity to, 250 

 location of, 245 

 as mixed infection, 230 

 path of entranced, 240 

 specific disease, 229 

 toxin, M.L.D., 260 

 Diplobacillus, 40, 43 

 Diplococcus, 41, 43, 47 

 Diplospirillum, 40, 43 



Discharges, 235 

 intestinal, 244 

 nasal, 244 

 urethral, 244 

 vaginal, 244 

 Discontinuous sterihzation, 119 

 Disease, acute, 229 



of animals to man, 228 

 Bilharzia, 307, 314 

 cabbage, 315 

 causation of, 114, 303 

 chronic, 229 

 communicable, 228 

 contagious, 228 

 of flies, 307, 314 

 foot-and-mouth, 240, 244 

 germs, 304, 306, 313 

 hookworm, 307, 314 

 identification of, 263 

 immunity to, factors in, 294 

 infectious, 228, 308 



first, 305 

 Johne's, 242, 244 

 non-specific, 229 

 protozoal, eradication of, 238 



transmission of, 240 

 silkworm, 306, 308, 313, 314 

 skin, 239 



specific, 229, 306, 308 

 transmission, 228, 304, 305 

 Dish, Petri, 177, 178 

 Disinfectant, 117 



action of anilin dyes, 148 

 closed space, 146, 147 

 conditions affecting, 149 

 dry heat as, 119 

 moist heat as, 119 

 phenol coefficient of, 150 

 standardization of, 150 

 steam as, 120 

 Disinfectants, action of chemical, 

 142 

 factors affecting, 149 

 first experiment in, 300 

 Disinfection, agents in, 116 

 choice of, 149 

 by boiling, 118 

 by burning, 118 

 by burying, 140 

 chemical, 142 



first, 300 

 definition of, 116 



