INDEX 7 



Milk, litmus V47 21 



Milk, I'lricli indicator in V'j? 21 



Morphology of obligate anaerobes 11141 4-16 



Morphology, study of V47 6-8 



Motility, determination of III43 14; V47 6-7 



Much's method of acid-fast staining IV46 H 



Mutations V47 6 



Neisser's diphtheria stain IV48 14 



Neutral solvents, determination of VI42 !) 



Nigrosin solution, Dorner's IV46 7, 11 



Nitrate agar II44 22 



Nitrate broth II44 8 



Nitrate medium, synthetic II44 14 



Nitrate(s), action of bacteria on V47 9-11; VI42 14-16 



reduction of V47 9-1 1 ; VI42 15 



test for V47 10 



Nitrite tests V47 9-10; VI42 15-16 



Obligate anaerobes, (see anaerobic bacteria) 



Optimum conditions for growth, determining V47 4-5 



Optimum oxygen tension VI42 4 



Oxidation-reduction indicators IX48 21 



Oxidation-reduction potentials IX48 17-24 



colorimetric measurement of IX48 21-24 



potentiometric measurement of IX48 19-21 



Oxygen, free, relation of bacteria to V47 9; VI42 4-5 



Oxygen removal by combustion III43 10 



Oxygen removal, biological methods for III43 5 



Oxygen removal, chemical methods for III43 7 



Oxygen tension, optimum VI42 4 



Pathogenic aerobes, the study of VII48 3-15 



Pathogenicity, determination, factors interfering VII48 10-13 



Peptone solution, buffered, for methyl red test Il44 12 



Peptone-tryptone-glucose agar II44 18 



pH, colorimetric measurement of IX48 6-15 



potentiometric measurement of 1X48 2-6 



pH adjustment of media IX48 17 



Phase mutations V47 6 



Phenolphthalein IX48 7, 8, 15 



Phenol red II44 6, 7; IX48 7, 8, 13 



Phosphorus jar 11143 7 



Plant disease, inoculations with bacteria X45 3-15 



Plant inoculation methods: 



Fungus inoculation X46 8 



Insect inoculation X45 7 



Seed inoculation X45 5 



Soil "inoculation" X45 5 



Spray inoculation X45 6-7 



Virus inoculation X45 8- 



Wound inoculation X45 7 



Plant inoculations, protocol for X45 IS 



Ponder's diphtheria stain IV46 14 



Potentiometric measurement of pH IXis 2-6 



Precipitation VIII47 3, 10-11 



Precipitin, test, tabulation of VIII47 10 



Precipitins, production of VIII47 10 



Proteins, cleavage of VI42 13-14 



Pyrogallol, alkaline III43 8 



Pyruvic acid, determination of VI42 8 



Quinhydrone electrode IX47 4 



Reaction, determination of IX48 2-17 



Reaction of media II44 6 



Reducing medium for anaerobes III43 12 



Reduction of nitrates V47 9-11 



Reed and Orr's basal medium II44 19 



