366 



INDEX 



mining number of bacteria in, 

 150; grades of, 227; pasteuri- 

 zation of, 180, 234; rules for 

 production of, 216; slimy, 192; 

 straining of, 151; sweet cur- 

 dling of, 191; taste of influ- 

 enced by feed, 152 



Milk pails, small topped, 145 



Milker, contamination of milk 

 by, 146 



Milking machines, 147 



Mineralization, 5 



Moisture, relation of microorgan- 

 isms to, 48 



Molds, in soil, 75; morphology 

 of, 28; relation to air, 53; re- 

 lation to reaction, 53 



Monotrichous bacteria, 2.2 



Morphology, 12 



Mucors, 30 



Multicellular organisms, 12 



Murrain, 254 



Mycelium, 29 



Nitrate deposits, 104 



Nitric acid, action on calcium 

 carbonate, 89 



Nitrification, 99 



Nitrogen, cycle of, 94; fixation 

 of, 117; forms available to 

 green plants, 96; loss from 

 soil, 95 



Nitrogenous fertilizers, availa- 

 bility of, 97 



Nocardia, 26 



Nodular disease, 293 



Oi'dia, 30 



Oidium lactis, 189, 213 



Oleomargarin, 206 



Organic acids, 174; action on cal- 

 cium carbonate, 89 



Oxygen, relation of microorgan- 

 isms to, 52 



Osmotic pressure, 49 

 Oysters, 153, 164 



Parasitic mcroorganisms, 58 



Pasteur, 9, 179, 316 



Pasteurization, 179; of milk, 234 



Pathogenic organisms, 154 



Pear blight, 347 



Pearl disease, 272 



Penicillia, 30 



Pepsin, 209 



Peptone, 34, 96 



Period of incubation, 242 



Peritrichous, 22 



Phagocytes, 243 



Phenol, 356 



Phosphates, action of bacteria 

 on, 89 



Phosphorus, 89 



Phthisis, 272 



Physiological characteristics, 46 



Physiological dryness, 48 



Pickles, 174 



Planococcus, 25 



Planosarcina, 25 



Plant food, available and un- 

 available, 70; store in soil, 70 



Plasmolyzed cells, 49 



Plasmotypsis, 50 



Potassium, 90 



Preservatives, 56, 172 



Preventable diseases, 239 



Proteins, 62; decomposition of, 

 96 



Proteoses, 96 



Protozoa, 32, 97, 295 



Pseudomonas, 26 



Psychrophilic microorganisms, 51 



Pure cultures, 33; isolations of, 

 38 



Putrefaction, 5 



Rabies, 3 LI 



Reaction, relation of microorgan- 

 isms to, 53 



