45 6 



INDEX. 



Inoculations, preventive, 201 



for anthrax, 201 



for black-leg of cattle, 16, 202 



for bubonic plague, 323 



for cholera, 394 



for erysipelas of swine, 202 



for fowl-cholera, 201 



for hydrophobia, 203 



for small-pox, 10, 200 



for tuberculosis, 362 



for typhoid fever, 381 

 Insects, destruction of, 255, 258 



infection spread by (see Infec- 

 tion) 



Instruments, surgical preparation, 266 

 Intermittent sterilization, 55 

 Intestine, bacteria of, 164 

 Intravenous inoculation of rabbits, 



103 



Invisible microbes, 121 

 Involution forms of bacteria, 121 

 Iodide of mercury, 249 

 Iodine solution, in Gram's stain, 31 



in Weigert's stain, 41 

 lodoform, 257 

 Iris diaphragm, 18 



Isolation of bacteria: by animal inoc- 

 ulation, by dilution, by heat- 

 ing, by plating, 94 



by Esmarch roll-tubes, 99 



historical, 15 

 Itch, 15 



Jenner, n 



Journals of bacteriology, 8 



Kerosene, for destroying insects, 258 

 Kirkbride forceps for slides, 27 

 Kitasato filter, 62 



Klatschpreparat (impression prepara- 

 tion), 25 

 Klebs-Loffler bacillus (see Bacillus 



diphtherias) 



Knives, sharpening of microtome, 40 

 Koch, discovery of B. tuberculosis by, 



16 

 Koch's gas-burner, 86 



method for anaerobes, 93 

 plate-cultures, 15 



as means of isolating bac- 

 teria, 94 

 (historical), 15 

 use of, at autopsies, 105 

 .postulates for proving the patho- 

 genic property of bacteria, 168 



Koch's steam sterilizer, 59 

 tests for germicides, 243 



Lactic acid (see Acid, lactic) 

 Lactose, agar, 71 



bouillon, 67 

 Leeuwenhoek, 9 

 Leprosy bacillus, 362 



morphology, cultural characters, 

 pathogenic properties, 362 



resemblance to B. tuberculosis, 



351 



Leptothrix (in normal mouth), 161 

 (morphology, cultivation of), 277 

 buccalis, innommata, maxima 



buccalis, 277 

 Leucin, as product of bacterial growth, 



129 

 Leucocytosis, artificial, 215 



in disease, 214 

 Leucomaines, 188 

 Ligatures, surgical preparation, 265 

 Light, influence on bacteria, 247 

 Lime as a germicide, 256 

 Liquefaction of gelatin, 128 



analogy to trypsin digestion, 



128 

 as a means of classification, 



129 



Lister, 14 



Lithium-carmine, 45 

 Litmus- agar, 71 



milk, 73 



Lockjaw (see Tetanus)* 

 Loffler's bacillus of diphtheria (acci- 

 dental infection from cul- 

 tures), 115 

 (in throats of healthy persons), 



!75 



(morphology, cultural charac- 

 ters, pathogenic properties), 



338 



(see also Bacillus diphtherias) 

 blood-serum, 75 

 methylene-blue, 30 

 stain for flagella, 50 

 Lump- jaw, 366 

 Lungs, bacteria of the, 160 

 Lustgarten's bacillus of syphilis, 171 

 Lymphoid tissues, relation of bacteria 



to, 1 60, 173 

 Lysins, nature of ,193 

 inactivated, 195 

 reactivated, 195 

 Lysol, 251 



