1174 



INDEX OF SUBJECTS 



Influenza bacillus, varieties of, 500 



Infusoria, 1137 



Inhibition strength, of various antisep- 

 tics, 103 



Inoculation of media, 172 

 type of wire for, 173 

 technique of transferring cultures, 

 175 



Intestinal tract, bacterial flora of, 223- 



228 



influence of age, 224, 225 

 influence of diet on, 224, 226 

 influence of B. Welchii in, 226, 227 



Intravital method of studying living 

 bacteria, 112 



Invertase, 56 



lodamojba Butschlii, 1069 



Iodine, tincture of, as a disinfectant, 93 



lodoform, 93 



Isoagglutinins in human blood, 313-315 

 Jansky's classification, 313 

 Moss classification, 313 

 "universal donor," 314 



Isolation of bacteria in pure culture by, 



174 

 pour plates, 175 



technique of, 175 

 colony fishing, technique of, 177 

 streak plates, technique of, 178 



Isolysins, 299, 300 



JAUNDICE, epidemic, 885-888 



clinical description, 885-886 



etiology, spirochaeta icterohaemor- 



rhagiae, 886 

 cultivation of, 886, 887 



prevention, 888 



serum treatment, 888 



transmission, 887 

 Jenner's stain, 127 

 Jensen's modification of Gram's stain, 



122 



KALA-AZAR, 1093 



Katabolic activities of bacteria, 46 



Kefyr, 1631 



Kernig sign in meningitis, 527 



Klebs-Loeffler bacillus, 561. See also 



Diphtheria bacillus 

 Koch-Weeks bacillus, 502 

 Kolle vaccination method for B. pestis, 



204 



Koumys, 1031 

 Kreatoxismus, 51 



L-(- DOSE, diphtheria toxin, 260 



L dose, diphtheria toxin, 259 



Labferment, 53 



Lactase, 56 



Lactic acid bacilli in bacteriotherapy, 



1044 



Lactic acid fermentation, 56 

 Lambia intestinalis, 1074. /See also 



Gicirdia intestinalis, 1074 

 Landry's paralysis, 912, 915 

 Latency of bacteria in tissues and cir- 

 culation, 223 

 Leischmania, 1093 

 Leischmania braziliansis, 1097 

 Leischmania donovani, 1093 



animal pathogenicity, 1095 



morphology, 1093 

 Leischmania infantum, 1095 

 Leischmania nilotica, 1097 

 Leischmania tropica, 1095 

 Leprolin, 624 

 Leprosy, bacillus of, 620-625 



cultivation of, 621 



discovery of, 620 



distribution of, 622, 623 



morphology of, 620 



pathogenicity, 622 



clinical varieties of, 623 

 contagiousness of, 624 

 reaction of lepers to tuberculin, 625 

 therapeutic use of Chaulmogra oil, 



625 

 Leprosy, rat, 625, 626 



acid-fast bacilli in, 626 



cultivation of, 626 

 Leptothrix, 962, 963 



in the normal mouth, 220 

 Leptospira, class of spiral organisms, 



849 



