INDEX OF SUBJECTS . 



831 



Infectiousness, due to variations in 



virulence, 183 

 Influenza, epidemic of, in 1889-90, 536 



organs attacked in, 540 

 Influenza bacillus, 536 

 bacteria related to, 541 

 Bacillus murisepticus, 542 

 bacillus of pleuro-pneumonia, 542 

 Bacillus rhusiopathiae, 542 

 Koch-Weeks bacillus, 542 

 pseudo-influenza bacillus, 541 

 biology of, 540 



isolation and cultivation of, 537 

 on agar and gelatin, 537 

 blood added in, 537 

 hematogen added in, 538 

 morphology and staining of, 536 

 pathogenicity of, 540 



in experimental inoculation of ani- 

 mals, 541 



organs attacked in, 540 

 susceptibility of animals to, 541 

 Infusoria, balantidium coli, 792 

 chlamydozoa, 793 

 classes of, 792 



distinguishing features of, 792 

 Inhibition, coefficient of, 80 

 Inhibition strengths of various antisep- 

 tics, 84 



Inoculation of animals, 170 

 intraperitoneal, 172 

 intravenous, 172 

 subcutaneous, 171 

 Inoculation of media, 141 



technique of transferring bacteria in, 



141 

 virus used in transferring bacteria 



in, 141 



Insusceptibility of cold-blooded ani- 

 mals, 190 

 Intravital method' of Nakanishi in 



study of bacteria, 94 

 Inulin media, 132, 369 

 Invasion, -paths of, 183 

 inner, 184 

 outer, 183 



Inversion by fermentation, 42 

 Invertase, 49 



lodoform as disinfectant, 77 



lodin, tetrachlorid of, as disinfectant, 



76 



tincture of, for skin sterilization, 76 

 Iron compounds in nutrition of bac- 

 teria, 29 

 Iso-agglutinins, 261 



table for, 261 

 Isohemolysins, 261 

 Isolation of bacteria, 142 

 early methods of, 143 

 present methods of, 143 



Esmarch roll tubes in, 147 

 Koch's plates in, 144 

 surface streaking in, 148 

 Isolysins, 248 



Israel, discovery of actinomyces of man 

 by, 622 



JACKSON'S lactose-bile medium for co- 

 lon-typhoid differentiation, 137 



Jenner's discovery of immunization in 

 smallpox by vaccinia, 659 



KALA-AZAR, due to leishmania dono- 

 vani, 757 



symptoms of, 757 

 Katalyzers, definition of, 42 



enzymes and, analogy between, 42 

 Kefyr, 702 



Kendall's modification of Endo's medi- 

 um for colon-typhoid differentiation, 



135 



Kitasato, discovery of Bacillus tetani 

 by, 456 



discovery of plague bacillus, by, 554 

 Kitasato filter, 123 

 Klebs, discovery of diphtheria bacillus 



by, 512 



Koch, discovery of cholera spirillum by, 

 582 



discovery* of tubercle bacillus by, 479 

 Koch plates in isolation of bacteria, 



144 



Koch-Weeks bacillus, 542 

 Koumys, 702 



