INDEX OF SUBJECTS 



749 



Inoculation of media, technique of trans- 

 ferring bacteria in, 141 

 virus used in transferring bacteria in, 

 141 

 Insusceptibility of cold-blooded animals, 



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 



Iodoform as disinfectant, 77 

 Iodine, tetrachloride of, as disinfectant, 

 76 

 tincture cf, for skin sterilization, 76 

 Iron compounds in nutrition of bacteria, 



29 

 Isolation of bacteria, 142 

 early methods of, 143 

 present methods of, 143 

 Esmaroh roll tubes in, 147 

 Koch's plates in, 144 

 surface streaking in, 148 

 Isolysins, 247 



Israel, discovery of actinomyces of man 

 by, 622 



Jackson's lactose-bile medium for colon- 

 typhoid differentiation, 139 



Jenner's discovery of immunization in 

 smallpox by vaccinia, 659 



Kataltzebs, definition of, 42 



enzymes and, analogy between, 42 

 Kefyr, 702 



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 baciUus, 542 

 Koumys, 702 



L+, definition of, 208 

 Lo, definition of, 207 

 Lab enzymes, 46 

 Lactase, 50 



Lactic-acid bacilli in therapy of gastro- 

 intestinal autointoxication, 714-715 

 Lactic-acid fermentation, 50 

 bacteria of, 50 

 in milk, 701 

 Lactose-bile medium, Jackson's, for 



colon-typhoid differentiation, 138 

 Lactose-litmus agar, 129 

 Laked blood, 225 



Langenbeck, discovery of Oidium albi- 

 cans by, 640 

 Lautenschlager's thermo-regulator, 158, 



159 

 Leprolin, 502 

 Leprosy, 505 

 bacillus of, 502, 505 

 cultivation of, 506 

 by Clegg, 506 

 by Duval, 506 

 differentiation of, from tubercle ba- 

 cillus by staining, 106, 506 

 inoculation with, 507, 509 

 morphology of, 505 

 occurrence of, in body, 508 

 pathogenicity of, 507 

 relation of, to tubercle bacillus, 509 

 staining of, 505 

 toxic products of, 509 

 clinical varieties of, 508 

 contagiousness of, 509 

 in rats, 510 

 occurrence of, 507 



tuberculin administered in, results of, 

 >510 

 Leptothrix, 619 



morphology of, 618 

 Leucocidin of Staphylococcus pyogenes 

 aureus, 329 

 action of, upon leucocytes, 330 

 discovery of, 329 

 leucotoxin differentiated from, 331 



