INDEX 



879 



Plaoherie (silk-worm), 635 

 Plagella, 102, 124 



bacteria, 102 



protozoa, 124 



structure, 102, 124 

 Flagellata, 24, 25, 130, 131, 824 

 Flavor of butter, abnormal, 417 



control of, 413 



cultures for, 415 



kinds of bacteria in cream, 410 



number of bacteria in cream, 410 

 Flax fermentation, 557 

 Fluorescent pigment, 175 

 Food, alteration by heat, 459 



amount required for bacteria, 153 



appearance changes by heat, 459 



assimilation, 297 



biological changes of, 461 



calming of, 467 



changes in,* 460 



changes in dried, 450 



chemical change by heat, 460 



desiccation of, 450 



digestibility changes by heat, 460 



drying of, 450 



energy, 141, 152, 189 



evaporation of, 450 



for growth, 150 



infection, 469 



influence on organisms in water, 

 263 



mechanical disintegration by 

 heat, 460 



microbial changes in, 461 



of microorganisms, 150 



milk as, 264 



mineral, 152 



nitrogenous, 151 

 amino-acids, 151 

 ammonia, 151 , 

 nitrates, 151 

 nitrogen (free), 151 

 proteins, 151 

 urea, 151 



non-nitrogenous, 151, 153 

 alcohols, 153 



Pood, non-nitrogenous, carbohy- 

 drates, 151, 153 

 fats, ^51, 153 

 hydrogen, 152, 153 

 methane, 152, 153 

 organic acids, 153 

 oxygen, 152 

 normal fauna of, 461 



flora of, 461 

 nutritive value of chemically pre- 

 served, 482 

 palatability changes by heat, 460 

 pasteurizaton of, 461 

 physical changes by heat, 459 

 plant, assimilation of, 297 

 poisoning, 488, 491 

 preserved by chemicals, 479 

 by drying, 450 

 by heat, 457 

 by refrigeration, 471 

 required, amount, 149 

 sterilization of, 464 

 vital disorganization of, 661 

 yeast as, 553 

 Foot-and-mouth-disease, 807 

 Foot rot of sheep, 784 

 Formaldehyde, 238, 486 

 Formation of soil, 354 

 Formic acid, 485 

 Foul brood of bees, 646 

 Fowl diphtheria, 756 

 Framboesia, 848 

 Frozen milk, 218, 446 

 Fruits, canned, 466 

 Fungi imperfecti, 33 



in soil, 302 

 Fusarium, 55 



GALACTIMA succosa, 33 

 Galleria melonella, 633 

 Gametes, 34, 128 

 Gammarus zschokkei, 89 

 Gelatin, drying, 456 

 Gemma, 37 

 Gemmulation, 27, 125 

 Genito-urinary tract, 692 



