344 



INDEX 



Bacillus prodigiosus. 34, 151, 193, 

 238 



pyocyaneus, 7, 34, 64, no, 299 



pyogenes fcetidus, 34 



radicicola, 164 



saponacei, 193 



subtilis, 31, 86, 108 



synxanthus, 194 



of tetanus, 19, 168-171 



termo, 53 



of tubercle, no, 212, 228, 274- 



291 



typhosus, 41, 50, 55-62, 212 



ubiquitous, 53 



of yellow fever, 316 

 Bacteria, action of, 26 



in sewage, 84 



and wheat supply, 161 



and fixation of nitrogen, 160-166 



in cheese-making, 220-227 



in the dairy, 215-227 



products of, 240, 241 



and disease, 264-321 



the higher, n, 33 



in soil, 137-177 

 Bacterial action, 26 



treatment of sewage, 90 

 Bacteroids, 166 



Beer diseases, 134 



Berkefeld filter, 52 



Biogenesis, 3 



Biology of bacteria, 1-36 



Bitter fermentation, 191 



Blood serum, 22 



Blue milk, 193 



Boracic acid, 205, 331 



Bread, bacteria in, 238 



Broth, 21 



Brownian movement, 14 



Bubonic plague, 306-308 



Buchner's tube, 141 



Butter, bacteria in, 213, 214 



examination of, 214 



bacterial flavouring of, 215 

 Butyric fermentation, 115, 132, 191 



Carbol-fuchsin, 44 



Carbol-gelatine, 62 



Carbolic acid as a germicide. 332 



Caries, dental, 104 



Chamber, moist, 41 



Channels of infection in disease, 269 



in tubercle, 289 

 Cheese, bacteria in, 220 

 Chemical products of bacteria, 241 



Chemical substances as disinfectants, 



329 



and bacteriological examination of 



water compared, 51 



tests for nitrification, 158 

 Chemiotaxis, 15, 248 

 Chicken cholera, 320 

 Chinosol as a disinfectant, 336 

 Chloride of lime as a germicide, 331 

 Cholera, 65-6$ 



diagnosis of, 68 



and filtration, 75 



and milk, 200 

 Chromogenic bacteria, 193, 241 

 Cladothrix, 8, 33 



Clark's process, 73 

 Classification, 7 

 Coccus, definition of, 8 

 Colon bacillus, see B. coli communis 

 Comma bacillus, 66 

 Commensalism, 162 

 Composition of bacteria, 12-14 

 Conditions affecting bacteria in water, 

 70 



in milk, 186, 187 

 Contagion, 270 



Corrosive sublimate as disinfectant, 



331 



Counter (Wolfhugel), 49 

 Cover-glass preparations, 44 

 Cream, bacteria in, 213 

 Crenothrix polyspora, 53 

 Creosol as a germicide, 332 

 Cultivation beds, 92 

 Culture media, 20 



anaerobic, 139 



hanging drop, 44 



plate, 40-43 



pure, 20, 46 



shake, 62 



Decomposition bacteria, 149 

 Denitrifying bacteria, 143, 149 

 Dental caries, 104 

 Deodorants, 323 

 Desiccation, 26 

 Diagnosis, 339 



Diarrhoea of infants, 175, 316 

 Diphtheria, 243-245,289-296 



bacillus of, 289 



toxins of, 244, 293 



and milk supply, 201 



and school influence, 294, 295 



pseudo-bacillus of, 296 

 Diplococcus, definition of, 8 



