INDEX 



871 



Butter fermentation,- 417 



flavor of, 409, 416 



-milk, 446 



pathogenic bacteria in, 419 



preserved, 482 



refrigeration, 476 



sour-cream, 408 



sweet-cream, 408 



types of, 408 

 Butyric fermentation, 166 



in wine, 515 



CADAVERIN, 171 



Calcium in soil, 354, 356 



Callose, 23, 46 



Caloptenus, 642 



Calothrix pulvinata, 17 



Camembert cheese, 436 



Canine distemper, 803 



Canker of citrus, 612 



Canned foods', biological changes, 461 



butter, 441 



cheese, 441 



chemical changes in, 4^0 



com, 466 



detection of changes, 469 



fish, 465 



fruit, 466 



meats, 465 



microbial changes, 469' 



peas, 466 



physical changes, 459 



spoliation of, 469 



vegetables, 466 

 Canning, 467 



cleanliness in, 467 



heat required for, 467 



home, 468 



receptacles for, 467 



water supplied for, 467 

 Canning of foods, commercial impor- 

 tance, 459 



dietetic importance, 458 



economic importance, 458 



health importance, 458 



historical resum6, 457 



Carbohydrates, for energy, 1 53 



for food, 151 

 Carbon cycle, 183 



dioxide, fermentation in 1 soil, 294 



monoxide, oxidation, 317 

 Carbon-nitrogen ratio in soil, 321 



oxidation, 294, 313 

 Carchesium polypinum, 19 

 Carotin bodies, 177 

 Carriers of disease, air, 252, 664 



animal, 667 



food, 490, 491 



human, 667 



of infection, 664, 667 



milk, 400 



water, 665 

 Cattle plague, 803 

 Cauliflower rot, 622 

 Cell, 15 



composition, 148 



contents, 149 



membranes, 100 



moisture, 148 



reproduction, 27 



structure, 15 



wall, 46, 100 

 CeUulase, 194, 195 

 Cellulose, 167, 277, 315 

 Centriole, 16 



-nucleolus, 17 

 Centrodesmose, 25, 26 

 Centrosome, 16 

 Cercomonas, 133 

 Cerebro-spinal meningitis, 736 

 Certified milk, Boston, 368 



Brooklyn, 368 



Chicago, 369 



New York, 368 

 Chalara, 223 



Channels of infection, 659 

 Cheddar cheese, 434 

 Cheese, abnormal, 432 



acid-curd, 420 



bitter, 433 



Camembert, 436 



canned, 441 



