494 



INDEX 



Merisraopedia, 8 

 Metabiosis, 29 

 Metachromatic granules, 10 

 MetchnikoiF on phagocytosis, 414 

 Methods of examination, 453 



Micrococcus, definition of, 6 



aqtiatilis, Frmidenreichii, 199 

 ffonorrhww, 314 

 tetragonus, 313 

 viscosus, 199 



Milk, bacteriology of, 178-251 

 composition of, 195 

 incubation period for bacteria in, 179 

 sources of pollution, 181-184 

 number of bacteria in, 184-194 

 influence of time and temperature 



upon bacteria in, 185-194 

 fermentation bacteria in, 196-202 

 kinds of bacteria in, 194 

 disease-producing power of, 202 

 lactic acid fermentation of, 196 

 butyric fermentation of, 197 

 coagulation fermentation of, 197 

 alcoholic fermentation of, 198 

 anomalous fermentation of, 199 

 and tuberculosis, 203-207 

 and typhoid, 207-211 

 and cholera, 223 

 and epidemic diarrhoea, 223-226 

 and diphtheria, 211-214 

 and scarlet fever, 214-217 

 and sore-throat illnesses, 219-223 

 and thrush, 218 



character of milk-borne disease, 218 

 prevention of milk-borne disease, 



226 

 method of protection, 227 

 control of milk supply, 227-240 

 filtration of, 230 

 refrigeration of, 228 

 straining of, 228 

 sterilisation of, 231 

 of Liverpool, 205 

 pasteurisation of, 231 

 results of, 235 

 summary of control, 236 

 products, bacteria in, 240-251 

 examination of, 473-481 

 specialised milks, 237 

 and economic bacteria, 240-249 

 and municipal dep6ts, 237 

 chromogenic fermentation of, 200 



Miquel's method of air examination, 74 



Modes of bacterial action, 25 



Mohler on tuberculosis of the udder, 203 



Moist chamber, 464 



Moisture necessary for bacteria, 18 



Morphology of bacteria, 6 

 Motility, 11 



Mosquitoes and malaria, 376 

 Mycoderma aeeti, 103 

 Mycoprotein, 9 



Nasal passages, bacteria in, 80 



Natural purification of water, 60-64 



Needles, platinum, 17 



New soil science, 138 



Newsholme on conditions favourable to 



diphtheria, 291 



on causation of epidemic diarrhcea, 

 309 



on disinfection after phthisis, 447 

 Nitric organism, 128 

 Nitrification, 125-131 



chemistry of, 125 



stages in, 129 



bacteria of, 129 

 Nitrifying organisms, cultivation of, 127, 



128 

 Nitrogen, fixation of, 131-139 

 Nitrogen-fixing bacteria, 131 

 Nitrous organism, 126 

 Niven on disinfection after phthisis, 447 

 Nodules on roots, bacteria in, 133 



Ocean bacteria, 36 



Oidiiim aUneans, 218 



Oxygen necessary for bacteria, 23 



Oysters and typhoid fever, 253-263 



poisoning, symptoms of, 256 



infection, 257 



and disease, prevention of, 262 



examination of, 484 



Pakes' formate broth method, 467 

 Paraform for disinfection, 443 

 Parasitism, 25 

 Parietti's method, 466 

 Pasteur on fermentation, 93 

 Pasteur's treatment of rabies, 419 

 Pasteur filter, 71 

 Pasteurisation of milk, 231-236 

 Pathogenic bacteria, in soil, 140 



in water, 53 

 Perlsucht, 333 

 Petri dishes, 453 

 Phagocytosis, 413-414 

 Phosphorescence, 22 

 Pigment, formation of, 406 

 Place of bacteria in nature, 4 



