Drinking water, sources of, 140 
Drying, preservation by, 255 
Edam cheese, 212, 219 
Eggplant rot, 325 
Eggs, preservation of, 268 
Enzymes, 31, 32, 243, 249 
list of, 32 
secreted by bacteria, 34 
Excreta, disinfection of, 349 
Fallowing, 132 
Farcy, 308 
Farm Sewage, 94 
Faults in cheese, 216, 224 
Fermentation, 2, 27, 32, 37, 38 
tubes, 342 
Filter bed, 91 
Filtered water, 144 
Filtering milk, 183 
Fire blight, 327 
Fission fungi, 9 
Flagella, 12 
Flavors in cheese, 212, 214 
Flesh, preservation of, 256 
Food of bacteria, 21 
supply, 41 
Foods of plants, 42 
Foot-and-mouth disease, 313 
Foot rot, 312 
Fore milk, 151, 181 
Form of bacteria, 11 
Foul brood, 312 
Fowl cholera, 307 
Frozen soil, bacteria in, 43 
Fruit, decay of, 347 
preservation of, 257 
Fruity cheese, 218 
Fuchsin solution, 338 
Fungi, 6, 7 
Fungous diseases of plants, 316 
list of, 319 
methods of combating, 319 
23 
INDEX 353 
Galactase, 150, 211 
Garget, 151, 166, 311 
Gelatin culture medium, preparation, 
340 
plates, 341 
Germicidal power of milk, 173 
Glanders, 308 
Goiddu, 172 
Gorgonzola cheese, 222 
Gram stain, 340 
Granville wilt, 326 
Green manuring, 116, 133 
Hard cheese, 212 
Hay, bacteria in, 346 
curing of, 258 
Hemp, 252 
Higher fungi, 6 
Hoof rot, 311 
Hog cholera, 314 
Horse sickness, 314 
Humus, 46 
Tee, 144 
Immunity, 273, 278 
Indol, test, 343 
Inflammation, 311 
Inoculation, protective, 279 
diseases controlled by, 280 
Inorganic foods, 43 
Tron, 124 
salts, 43 
Isolation of bacteria, 337 
Katabolism, 26 
Kefir, 171 
Kummys, 171 
Lactic acid bacteria, 155 
protective action of, 173 
Lactic fermentation, 32, 36 
Leben, 172 
Leeuwenhoek, 1 
Legumes, use of, III 
value of, 103 
