INDEX 



329 



Gram stain, 3 1 5 

 Granville wilt, 303 

 Green manuring, 108, 123 



Hard cheese, 197 

 Hay, bacteria in, 322 

 curing of, 239 

 Hemp, 234 

 Higher fungi, 6 

 Hoof rot, 289 

 Hog cholera, 285 

 Horse sickness, 291 

 Humus, 40 



Ice, 134 

 Indol, test, 318 

 Inflammation, 289 

 Inoculation, protective, 258 



diseases controlled by, 260 

 Inorganic foods, 39 

 Iron, 117 



salts, 38 



Immunity, 253, 257 

 Isolation of bacteria, 313 



Katabolism, 24 

 Kefir, 158 

 Kummys, 157 



Lactic acid bacteria, 143 



protective action of, 1 60 



Lactic fermentation, 30, 34 



Leben, 158 



Leeuwenhoek, i 



Legumes, use of, 104 

 value of, 95 



Leptothrix, 12 



Limburger cheese, 207 



Lime, 39, 1 1 1 



Liming of soil, 56, 94, 121 



Linen, 234 



Liquefaction of gelatin, 151 



Lockjaw, 287 



Lophotrichic bacilli, 11-12 



Lumpy jaw, 288 



Magnesia, 39 

 Malignant tumor, 288 

 Manure, 120, 122 



bacteria in, 319 

 fresh and ripened, 7 5 

 heap, bacteria in, 70 

 composition of, 69 

 fermentation of, 71, 74 

 losses from, 70 

 protection of, 73 

 Mastitis, 289 

 Mazoon, i 58 



28 



Metabolism, 24 



Metacoccus, 12 



Methylene blue, solution, 314 



Micrococcus, 12 



Microorganisms, meaning of term, 5 



Microscopic study of bacteria, 314 



of yeast, 316 

 Microsporon, 12 

 Mildews, 295 

 Milk, bacteria in, 137 



bacteriological analysis of, 



321 

 Milk bacteria, growth of, 1 59 



sources of, 138 

 Milker, 42, 166 



Milk faults, miscellaneous, 1 57 

 Milking machines, 168 



room, 167 

 Milk pail, 168 



standard, 178 



vessels, 141, 167 

 Mineral ingredients in soil, 40 

 Moisture, relation to, 19 

 Molds, 6 



study of, 322 

 Monotrichic bacilli, 1 1 , 12 

 Motility, n, 315 

 Mucor, 7 



Multiplication of bacteria, 14 

 Mushrooms, 6, 44 

 Mycoderma, 217 

 Navel ill, 289 

 Neutral types, 1 53 

 Nitragin, 107, 119 

 Nitrates, 38, 47, 57, 59, 77 

 Nitrification, 30, 57, 63, 64, 65 

 Nitrifying organisms, 58, 60, 61 

 Nitrites, 57, 59 

 Nitrobacter, 60 

 Nitrogen cycle, 89 



fixation, 92, 101, 320 



fixing bacteria, 93, 95 

 Nitrogenous food, 47 

 Nitrogen, loss of, 90 

 Nitrosococcus, 60 

 Nitrosomonas, 60 



Number of bacteria, determination 

 of, 312 



Oidium lactis, 224, 240 

 Oleomargarine, bacteria in, 193 

 Olive knot, 305 

 Ophidimonas, 116 

 Organic foods, 39 

 Organized ferments, 26, 31 

 Oxidizing fermentation, 30 



Parasites, 21, 251 



