490 



INDEX. 



Hiss's culture-media for differentia- 

 tion of typhoid bacillus 

 from allied forms, 372 

 History of bacteriology, 17 

 Hog-cholera, 413 

 bacillus of, 413, 415 

 culture of, 415 

 pathogen y of, 417 

 vitality of, 417 

 immunity to, 418 

 lesions of, 414, 415, 417 

 pathology of, 414 

 symptoms of, 413 

 Hot-air closet, 107 

 Humoral theory of immunity, 75 

 Hydrant-water, number of bacteria 



in, 171 



Hydrophobia, 306 

 and tetanus, parallelism existing 



between, 307 

 cure for, 309 



incubation period of, 306 

 treatment of, Pasteur's system, 



309 



Hygienic precautions recommen- 

 ded for preventing the spread 

 of tuberculosis, 221, 222 



Hypodermic syringes for introduc- 

 tion of bacteria into ani- 

 mals, 158, 159 



ICE, bacteria in, 171 



-cream poisoning, cause of, 51 

 Imbedding in celloidin, 94 

 in glycerin-gelatin, 95 

 in paraffin. 95 

 methods of, 94 

 Immunity, acquired, 69 

 and susceptibility, 65, 66 

 apparent, 67 



means of destroying, 67, 68 

 natural, 66 

 produced by antitoxins, length 



of 83 



-reaction, 323 

 theories of, 70-83 

 antitoxin, 78 

 exhaustion, 70 

 humoral, 75 



Immunity, theories of, phagocy- 

 tosis, 70 

 retention, 70 



Immunizing unit, definition of, 303 

 Incubating oven for use in cultiva- 

 tion of bacteria, 151 

 Indol, u, 56, 137, 319, 

 Infection, bacterial, through the 



digestive tract, 58 

 through the placenta, 62 

 through the respiratory tract, 



60 



through the skin and super- 

 ficial mucous membranes, 

 61 



through wounds, 62 

 Influenza, 446 

 bacillus of, 446 



cultures of, 447, 448 

 discovery of, 29 

 pathogeny of, 449 

 staining of, 447 

 toxin, effects of, when injected 



into animals, 450 

 "Infusorial life," 21 

 Injection of bacteria into animals, 



158, 159 

 Injections of tuberculin, results of, 



231 

 Instruments, disinfection of, 117 



sterilization of, 106 

 Intra-abdominal and intrapleural 

 injections for introduction 

 of bacteria into animals, 

 160 



Intravenous injections for the in- 

 troduction of bacteria into 

 animals, 159 



KASHIDA'S method of differentiat- 

 ing between typhoid ba- 

 cillus and bacillus coli com- 

 munis, 372 



Kitasato's filter, 1 1 1 



' Klatsch priiparat," 147 



Kny-Sprague steam sterilizer, 109 



Koch-Khrlich method of demon- 

 strating the presence of tu- 

 bercle bacilli in sputum, 2 12 



