INDEX 



311 



Graniilose reaction of anaerobes, 132 



Gray's flagella stain, 26 



Gross' "cold" method for acid-fast stain- 

 ing, 18 



Group number, 3 



Growth, determining optimum conditions 

 for, 145-146 

 measurements of, 170 



Growth requirements, bacterial, 38 



Harvesting, of antiserum, 202 



of fluids and membranes from embryo- 

 nated egg, 262-264 



of virus in tissue, 257 

 Hemaggkitination, inhibition of, by 

 viruses, 271-274 



by viruses, 269-271 

 Hemolytic activity of antigen, 219 

 Heterotrophic organisms, 38 

 Hiss's method of capsule staining, 29 

 Historical data, 3-6 

 HoS production, medium for, 56 

 Hucker modification of gram stain, 16 

 Hydrogen electrode method for pH 



measurement, 73-74 

 Hydrogen sulfide production, test for, 157 

 Hydrolysis, of gelatin, 55 



of starch, tests for, 162-163 



Identification of bacteria, routine tests 



for, 140-168 

 Identification procedures for pathogenic 



bacteria, 238-243 

 Immunization, 201 



schedules for, 202 

 Impure cultures, danger of, 6 

 Incubation, 147 

 Indicator media, 53, 160 

 Indicator papers, 87 

 Indicators, acid-base, 40, 78-79 

 ionization curves of, 79 



oxidation-reduction, 95-96 

 Indole, determination of, medium for, 56 



production of, 155 



test for, 156 

 Infectivity titer, determining, 264 

 Infusion, beef-liver, 44 



yeast, 44 

 Infusion broths, 43 

 Inocula, preparation of, 228-229 



Inoculation, cutaneous, 230 



intracardial, 233 



intracerebral, 233 



intracutaneous, 231 



intramuscular, 231 



intranasal, 233 



intraperitoneal, 232 



intrapleural, 232 



intratracheal, 233 



intravenous, 232 



methods of, 230-234 



ophthalmic, 233 



per OS, 232 



of plants, 291-292 



subcutaneous, 231 



and windowing of eggs, 258-261 

 Inoculation methods for plants, 288-293 



with fungi, 292 



by insects, 291 



by seed, 289 



by soil, 289 



by spray, 289 



with virus, 292 



by wounds, 291 

 Inoculation technics for anaerobes, 135 

 Inoculations, with bacteria causing plant 

 disease, 286-298 



with viruses, 253 

 Insect inoculation of plants, 291 

 Instruction, descriptive chart for, 



143-145 

 Intracardial inoculation, 233 

 Intracerebral inoculation, 233 

 Intracutaneous inoculation, 231 

 Intramuscular inoculation, 231 

 Intranasal inoculation, 233 

 Intraperitoneal inoculation, 232 

 Intrapleural inoculation, 232 

 Intratracheal inoculation, 233 

 Intravenous inoculation, 232 

 Ionization curves of indicators, 79 

 Irregular forms, 151 

 Isohemagglutinin, 204 



Kinyoun's carbol fuchsin, 14 

 Koch's postulates, 287 

 Kopeloff-Beerman modification of gram 

 stain, 16 



Laboratory animals, 229-230 



postinoculation observation of, 254 



