354 



INDEX. 



Hydrant-water, number of bacteria 



in, 145 



Hydrophobia, 243 

 and tetanus, parallelism existing 



between, 244 

 cure for, 246 

 incubation period of, 243 

 treatment of, Pasteur's system, 



246 



Hygienic precautions recommended 

 for preventing the spread of 

 tuberculosis, 180, 181 



ICE, bacteria in, 145 

 Immunity, acquired, 60 

 and susceptibility, 58, 59 

 apparent, 61 



means of destroying, 60, 61 

 natural, 59 

 produced by antitoxins, length 



of, 72 



theories of, 62-72 

 antitoxin, 69 

 exhaustion, 62 

 humoral, 67 

 phagocytosis, 62 

 retention, 62 



Incubating oven for use in cultiva- 

 tion of bacteria, 129 

 Infection, bacterial, through the di- 

 gestive tract, 54 

 through the placenta, 56 

 through the respiratory tract, 



55 

 through the skin and superficial 



mucous membranes, 56 

 through wounds, 56 

 Influenza, 309 

 bacillus of, 309 



cultures of, 310, 311 

 discovery of, 29 

 staining of, 310 

 " Infusorial life," 21 

 Injection of bacteria into animals, 



134, 135 

 Injections of tuberculin, results of, 



190 



Instruments, disinfection of, 100 

 sterilization of, 91 



Intra-abdominal and intrapleural 

 injections for introduction 

 of bacteria into animals, 135 



Intravenous injections for the intro- 

 duction of bacteria into ani- 

 mals, 134 



KITASATO'S filter, 96 



" Klatsch praparat," 125 



Koch-Ehrlich method of demon- 

 strating the presence of tu- 

 bercle bacilli in sputum, 



173 



Koch's apparatus for coagulating 

 and sterilizing blood-serum, 



H3 

 steam apparatus for sterilization 



of culture-media, 93 

 Kiihne's carbol-methylene blue, 

 202 



LENSES, high-power, use of, 74 

 low-power, use of, 74 

 oil-immersion, use of, 74 

 Leprosy, 193 

 anesthetic, 197 

 bacillus of, 194 

 cause of, 193 



discovery of, 28 

 nodes of, 196 

 Leptothrix, 33. 39 

 Leuconostoc, 38 

 Levelling apparatus for pouring 



plate-cultures, 118 

 Liborius' method of making anaer- 

 obic cultures, 130 

 Life, spontaneous generation of, 



doctrine of, 18 

 Ligatures, disinfection of, 99 

 Light, influence of, on growth of 



bacteria, 46 



selection of, in study of bacteria, 

 by means of the microscope, 



74 

 Liquid culture-media, development 



of bacteria in, 125 

 Liquids, sterilization of, 95 

 Listerism, 149 

 origin of, 27 



