7 10 INDEX OF SUBJECTS. 



B. coli in water, 195 Bread, French, 462 



typhosus in water, 196 leavened, 461 



Bacteria, (See microorganisms). salt rising, 461 



cell, 45 sponge for, 461 



aggregates, 45 yeasts of, 460 



capsule, 48 Bubonic plague, vaccine, 478 



cytoplasm, 49 Butter, canned, 366 



flagella, 52 decomposition of, 343 



sheath, 49 flavor of, 336, 343 



wall, 48 -milk, 371 



classification of, 56 pathogenic bacteria in, 345 



cultivation of, 62 sour-cream, 335 



form-types, 37 sweet-cream, 335 



gradations, 37 types of, 335 

 involution, 38 



higher, 54 CANNED goods, butter, 366 



motion, 39 cheese, 366 



brownian, 39 chemical changes in, 393 



character, 40 corn, 390 



organs of, 40 detection of changes, 393 



rate, 40 fish, 389 



vital, 40 fruits, 390 



pathogenic, 313, 521 meats, 389 



relationship, 62 microbial changes, 393 



reproduction, 41 peas, 390 



spore, 43 spoliation of, 393 



vegetative, 41 vegetables, 390 



size, 39 Canning, 391 



weight of, 89 cleanliness in, 391 



Bacterial matter, availability of, 266 heat required for, 392 



substance in soil, 265 receptacles for, 391 



Bactericidal substances, 559 water supply for, 391 



Bacterins, 478 Canning of foods, commercial importance 



Bacteriolysins, 559 382 



Basidium, 15 dietetic importance, 381 



Beer, 435 economic importance, 382 



after-treatment of, 439 health importance, 382 



bacteria of, 440 historical resume, 381 



brewing of, 436 Cadaverin, 115 



composition of, 435 Calcium in soil, 244, 286 



diseases of, 439 Carbon cycle, 125 



enzymes of, 436 Carbon-nitrogen ratio in soil, 252 



fermentation of, 438 Carriers of disease, animal, 413, 516 



grains used in, 435 human, 413, 527 



kinds of, 435 of infection, 413 



malting, 436 milk, 329 



raw materials of, 435 water, 196 



yeasts of, 435 Cellulose, 87, 135, 246 

 Biological factors influencing origin and Certified milk, Boston, 296 



formation of soil, 284 Brooklyn, 296 



Biological relations of nitrogen-fixation, Chicago, 296 



269 New York, 296 

 Blood-forming organs, action of micro- Cheese, abnormal, 359 



organisms on, 539 acid-curd, 346 



Bread, 460 bitter, 358 



bacteria 0^460 Camembert, 362 



dough of, 460 canned, 366 



