682 



INDEX. 



Inverting enzymes, 37, 38 



Involution forms of bacteria, 60 



Ions, 48, 91 



Iris diaphragm, 201 



Isolation of bacteria in pure cul- 

 tures, 97 

 Esmarch's roll-tube 



method, 147 

 Petri plate method, 145 

 serial-tube method, 150 



JORDAN and Richards, 530 

 tl Justinian plague, 316 



T7ITASATO, 534, 540, 550 



IV Klebs, 27, 29 



Klein, 557 



Klempercr, F. and G., work on 



^neumonia, 596 

 Koch, fundamental researches, 29 



postulates of, 357 



safety-burner, 154 



steam-sterilizer, 81 

 Kronig and Paul, 91 



T ACTOSE-LITMUS agar-agar 

 Jj or gelatin (see Media). 

 Latapie apparatus, 127 

 Leeuwenhoek, 17-19 

 Lens for counting colonies, 636 

 Lepra bacillus, 364 

 staining of, 370 

 Leptothrix, 56 

 Letzerich, 27 

 Levelling-tripod, 145 

 Liborius, 544 

 Lime, chloride of, 96 



milk of, 95 



Litmus milk (see Media). 

 Lender's alkaline methylene-blue, 

 175 



blood-serum mixture, 123, 136 



method of isolation of bacte- 

 rium diphtherise, 399 



stain for flagella, 186 

 Loffler and Schiitz, discovery of 



bacterium mallei, 391 

 Lophotrichic flagella, 66 

 Lukomsky, 27 

 Lumbar puncture, 307 

 Lysin, 279 



MADSEN, 542 

 Malignant cedema, bacillus 



of, 544 

 cultural peculiarities of, 



546 



morphology of, 545 

 pathogenesis of, 547 

 susceptibility of animals 



to, 548 

 Mallein, 393 

 Meat-extracts, in culture-media, 



109 



Meat-infusion, 104 

 Media, culture-, 104 

 agar-agar, 114 



clarification of, 115 

 filtration of, 115 

 glycerine, 116 

 neutralization of, 114 

 solution of, 115 

 blood-serum, 120 



Councilman and Mallory 



method, 125 



mixture of Loftier, 123, 136 

 NuttalFs method, 126 

 original method of Koch, 



120 

 preservation of, 130 



by chloroform, 130 

 sterilization and solidifica- 

 tion of, 122 

 bouillon, 104 



neutralization of, 104 

 gelatin, 109 



clarification of, 112 

 filtration of, 110 

 solution of, 110 

 sterilization of, 113 

 Hiss's medium of, 136, 418, 



441 

 lactose-litmus agar-agar and 



gelatin, 135 



Lipschiitz's medium, 299 

 litmus-agar-agar, 131 

 litmus-milk, 132 

 litmus-whey, 132 

 meat infusion, 104 

 milk, 131 

 peptone solution, Dunham's, 



133 

 potatoes, 117 



