INDEX OF SUBJECTS. 



717 



Microorganisms, B. coli-aero genes in 

 . milk, 310 

 enteritidis sporogenes in water, 



*95 



typhosus in milk, 313 



in water, 196 

 bacteria, in bread, 460 



in beer, 436 



on grapes, 422 



in productive soil, 240 



in soil, 240 



in unproductive aoil, 240 

 Bact. bulgaricum in milk, 311 



lactis acidi in milk, 308 



lactici acidi in udder, 299 



lactis aerogenes in water, 295 

 in body of sound individuals, 523 

 butyric in wine, 426 

 chromophorous bacteria, 1 20 

 chromoporous bacteria, 120 

 of cider, 440 

 classes in water, 193 

 cocci in milk, 312 

 complexity in sewage, 212 

 cosmopolitan saprophytes, 16 

 of cream, 337 

 decrease in water, 201 

 determination in air, 187 

 development in milk, 313, 321 

 dissemination of pathogenic, 313, 535 

 in dust of stable, 304 

 effect on animal body, 538 

 elimination from body, 536 

 energy supply of, 84 

 entrance to air, 186 

 facultative anaerobes, 94 

 in feed for cattle, 305 

 food of, 87 

 food required for, 88 

 in foods, 374, 385, 395. 402 

 general reactions on body, 538 

 on grapes, 419 

 in hail, 199 

 higher bacteria, 54 

 increase in water, 201 

 infusoria, 64 

 invisible, 189 

 kinds in air, 189 



in beer, 435, 436, 439 



in cream, 337 



in milk, 293, 306 



in sewage, 212 



in soil, 240, 241 



in water, 193 



in wine, 423 

 lactic in milk, 308 



in wine, 425 



Microorganisms, in lakes, 200 

 local reactions in body, 538 

 mannitic in wine, 425 

 methods of study in soil, 241 

 Microspira comma in water, 196 



in milk, 293 



certified, 295 



special, 295 



pail, 304 



molds of fermentation, 16 

 on grapes, 419 

 in soils, 240 

 moisture, 87 



morphological groups in soil, 241 

 nitric, 259 

 nitrous, 259 

 numbers in air, 188 



in milk, 293, 294, 295 



in soil, 240 



in cream, 337 

 nutrition of, 81 

 obligate anaerobes, 270 

 of oxidation, 218 

 parachrome bacteria, 120 

 parasitic, 76 

 pathogenic, 76 



in butter, 345 



in milk, 313 



period of incubation in body, 538 

 physiology of, 81 

 physiological group in soil, 241 

 propionic, 425 

 proteolytic in milk, 313 

 protozoa in soil, 239 

 pseudo-yeast, on grapes, 421 

 putrefaction in sewage, 213 

 in rain, 198 

 in rivers, 200 

 in sea water, 201 

 in sewage, 212 

 sewage streptococcic, 194 

 slime-forming in wine, 424 

 soil bacteria in water, 194 

 in snow, 199 

 sources in milk, 297 

 subsidence in air, 187 

 typical forms in sewage, 212 

 in udder of cow, 298 

 in upland waters, 200 

 in water, 192 

 in wells, 199 

 in wine, 423 

 yeasts of beer, 435 



of bread, 460 



compressed, 460 



on grapes, 420 



of wine, 427 



