INDEX 



313 



Morphology, cell, 149-152 



Motility, 150 



Much's method for acid-fast staining, 19 



Mutants, biochemical, 195 



Mycobacterium tuberculosis, media for, 52 



Oxygen, use of aerobe to absorb, 124 

 Oxygen-removal methods, biological, 

 123-125 



chemical, 125-128 



by combustion, 122 



Negative staining of bacteria, 15 

 Negri bodies, staining for, 249 

 Neisser's diphtheria stain, 23 

 Neisseria gonorrhoeae, media for, 52 

 Neutralization tests for viruses, 278 

 New species, naming of, 8 

 Nigrosin solution, Dorner's, 15 

 Nitrate broth, 56 

 Nitrates, action on, 153-154 

 Nitrite test, 153 

 Nitrobacter inedmTQ., Ill 

 Nitrogen, total, determination of, 



173-174 

 Nitrogen metabolism, 190-193 

 Nitrosomonas medium, 112 

 NIH semisolid medium. 111 

 Nonsulfur photosynthetic bacteria, 



media for, 47 

 Nuclear apparatus, Robinov's stain for, 



30 

 Nucleic acid metabolism, 193 

 Nutrient agar, 42, 46, 112 

 Nutrient broth, 42 

 Nutrient gelatin, 55 



Obligate aerobes, 38 

 Obligate anaerobes, 38 



study of, 120-139 

 Oil sealing, 104 

 Ophthalmic inoculation, 233 

 Optimum conditions for growth, deter- 

 mining, 145-146 

 Oxidation reduction, and carbon bal- 

 ances, 186 

 indicators for, 95-96 

 reactions involving, 188-190 

 Oxidation-reduction balance, 186 

 Oxidation-reduction cell, 92 

 Oxidation-reduction potentials, measure- 

 ment of, 91-98 

 colorimetric method, 94-98 

 potentiometric method, 91-94 

 Oxygen, free, relation of organisms to, 

 152 



Pancreatic digest of casein, 70 

 Papaic digest of soybean meal, 67 

 Pathogenic bacteria, identification pro- 

 cedures for, 238-243 

 Pathogenicity, bacterial, detection of, 



224-245 

 Pathogens, plant, acting together, 295 

 Peptic digest, of animal tissue, 69 



of blood, 112 

 Peptone agar, 46 

 Peptones, 42 



specifications for, 39, 69-70 

 standards for, 39 

 Per OS inoculation, 232 

 pH adjustment of culture medium, 89 

 pH measurement, 72-87 

 calomel electrode for, 73 

 colorimetric method, 77-87 

 potentiometric method, 72-77 

 pH meters, 188-189 

 Phase variation, 6 

 Phenol red, 40, 54, 78-79 

 Phenolphthalein, 40, 78-79, 87 - 

 Phosphorus jar for oxygen removal, 125 

 Phosphorus metabolism, 193 

 Phototrophs, 38 

 Physiological and biochemical technics, 



169-198 

 Physiological properties, determination 



of, media for, 53-57 

 Pigment production, media for, 57 

 Pitfalls to be avoided, 6 

 Plant disease, inoculations with bacteria 



causing, 286-298 

 Plant inoculations, protocol for, 297 

 Plant pathogens acting together, 295 

 Plants, antibiotics in, 296 



inoculation methods for, 289-292 



with fungi, 292 



by insects, 291 



by seed, 289 



by soil, 289 



by spray, 289 



with virus, 292 



