354 
Limburger cheese, 223 
Lime, 43, 119 
Liming of soil, 62, 102, 130 
Linen, 252 
Liquefaction of gelatin, 163 
Lockjaw, 310 
Lophotrichic bacilli, 12 
Lumpy jaw, 311 
Magnesia, 43 
Malignant tumor, 311 
Manure, 129, 131 
bacteria in, 344 
fresh and ripened, 82 
heap, bacteria in, 77 
composition of, 76 
fermentation of, 78, 81 
losses from, 77 
protection of, 80 
Mastitis, 311 
Mazoon, 172 
Methylene blue, solution, 338 
Micrococcus, 13 
Micro6érganisms, meaning of term, 5 
Microscopic study of bacteria, 338 
of bacteria in milk, 339 
of yeast, 340 
Mildews, 318 
Milk, bacteria in, 149 
bacteriological analysis of, 345 
Milk bacteria, growth of, 172 
sources of, 150 
Milker, 154, 179 
Milk faults, miscellaneous, 170 
Milking machines, 181 
Milk pail, 180 
clarifier, 183 
standard, 191 
utensils, 153, 180 
Mineral ingredients in soil, 45 
Moisture, relation to, 20 
Molds, 7 
study of, 346 
M onotrichic bacilli, 12 
INDEX 
Motility, 12, 339 
Mucor, 8 
Multiplication of bacteria, 15 
Mushrooms, 7, 51 
Mycoderma, 234 
Navel ill, 311 
Nitragin, 114, 128 
Nitrates, 42, 53, 63, 66, 84 
Nitrification, 32, 63, 69, 70, 71 
Nitrifying organisms, 64, 66, 67 
Nitrites, 63, 65 
Nitrobacter, 66 
Nitrogen cycle, 98 
fixation, 100, 103, 108, 344 
artificial, 118 
fixing bacteria, 92, 102 
loss of, 97 
Nitrogenous food, 53 
Nitrosococcus, 66 
Nitrosomonas, 66 
Number of bacteria, determination of, 
336 
Oidium lactis, 241, 258 
Oleomargarine, bacteria in, 208 
Olive knot, 328 
Ophidomonas, 124 
Organic foods, 43 
Organized ferments, 28, 34 
Oxidizing fermentation, 33 
Parasites, 23 
Pasteurization, 186 
efficiency of, 346 
Penicillium, 7 
Camembertii, 221 
Roquefortii, 222 
Pepsin, 30 
Peptonizing bacteria, 60, 162 
Percolating filter, 92 
Peritrichic bacilli, 12 
Permanent fertility, 135 
Phosphates, 42 
