INDEX 



313 



Host, susceptibility of, 33 

 Hot-air sterilizer, 63 

 Hueppe's fresh egg cultures, 77 

 Hydrogen dioxid, 264 

 Hydrolytic ferments, 30 

 Hydrophobia, 209 

 Hygienic laboratory phenol coeffi- 

 cient, 265 



Hypersensitiveness, 42 

 Hypersusceptibility. 42 

 Hyphomycetes, 223 



ICE cream, 248 

 Immunity, 34, 35 

 acquired, 35 

 active, 35 

 passive, 36 

 Ehrlich's lateral-chain theory, 



36 



from intentional infection or in- 

 toxication, 35 

 lock and key theory, 39 

 Metchnikoff's phagocytic theory 



of, 36 

 natural, 35 

 theories of, 36 

 unit, 133 



Impression of colonies, 88 

 Incubator, 74 

 Index, opsonic, 41 



negative phase, 41 

 positive phase, 41 

 India ink method of identifying 



spirochaeta pallida, 211 

 Indol reaction in cholera, 152 

 Infantile paralysis, epidemic, 218, 



2I9_ 



Infection, 30, 31 

 avenues of, 32 

 cardinal conditions for, 32 

 depending on quantity of bac- 

 teria, 32 

 endogenous, 31 

 exogenous, 31 

 foods as source of, 255 

 mixed, 33 

 pathogenesis, 31 

 sources of, 31 

 susceptibility to, 33 

 virulence of, 32 



Infective bacteria, 33 



Influenza, 160 



Infusoria, 197, 198 



Inoculating potatoes, manner of, 



68 



Inoculation, animal, 91. See also 

 Animal inoculation. 



of culture-media, 78 

 Insecticides, 263 

 Insoluble toxins, 31 

 Inspissator for blood-serum, 73 

 Instruments, sterilization of, 45 

 Intensifies, 48 

 Intestine, bacteria in, 259 

 Intracellular toxins, 31 

 Intraduodenal animal inoculation, 



93 



Intraperitoneal injections of ani- 

 mals, 92 



Intratracheal inoculation of ani- 

 mals, 93 



Intravenous injections of animals, 

 92 



Inverting ferments, 29 



lodin, 264, 265 



as used in Gram's method, 49 

 solution, Gram's, 51 



Iris blender, 44 



JACKSON bile media, 242 

 Jenner's stain, 53 



for malarial organisms, 203 



KALA-AZAR, 208 



King's solution dried blood albu- 

 min, 78 



Klatsch preparations, 88 



Klebs-Lofiler bacillus, 126 



Klein's method of staining spores, 

 60 



Koch's alkaline methylen-blue, 50 

 bacillen emulsion, 120 

 rules in regard to bacterial cause 

 of disease, 94 



Koch- Weeks bacillus, 161 



Kiihne's method of staining spores, 



60 

 stain, 51 



