690 



INDEX. 



Horse, symptoms of glanders in the, 491 

 immunization of, against tetanus, 



360 

 Horses, bacillus of acne contagiosa of, 



557 



diplococcus of pneumonia in, 418 

 streptococcus coryzae contagiosae of, 



418 



Hot-air oven for sterilizing, 53 

 Hot Springs, Ark., Malta fever from the 



tropics at, 420 

 Hueppe's apparatus for sterilizing and 



coagulating blood serum, 58 

 classification of bacteria, 12 

 Hyacinth, bacterial disease of the, 574 

 Hydrant water, number of bacteria in, 



634 



Hydrocele fluid as a culture medium, 40 

 Hydrochloric acid, action of, on micro- 

 coccus pneumoniae crouposse, 

 405 



as a decolorizer in staining, 28 

 influence of, on bacterial growth, 



181 

 Hydrofluoric acid, influence of, on the 



tubercle bacillus, 179 

 Hydrogen generator, 86 



in the cultivation of anaerobic bac- 

 teria, 82 



influence of, on bacterial growth, 173 

 peroxide as a disinfectant, 173 

 Hydronaphthol, antiseptic power of, 205 

 Hydrophobia, influence of temperature 

 on the infectious material of, 156 

 protective inoculations against, 332 

 toxalbumin of, 327 



Hydrosulphuric acid, a bacterial produc- 

 tion, 141 

 influence of, on bacterial growth, 



175 



Hydroxylamin, antiseptic power of, 204 

 Hypodermic injection of cholera vaccine, 



299 

 syringe for inoculations, 97 



ICE, number of bacteria in, 633 



cream, toxic principle in, 148 

 Ichthyol, antiseptic power of, 204 

 Illicium, antiseptic power of, 203 

 Immunity from disease, 233 



Immunity, acquired, 242 



alkalinity of the blood as affecting, 



236 



dependent on antitoxins. 267 

 influence of animal temperature on t 



235 



natural agencies by which neutral- 

 ized, 240 

 theories of, 249 

 to anthrax by filtered cultures of the 



bacillus, 428 

 by anthrax toxin, 427 

 to cholera by a previous attack, 2!>7 

 to serpent venom, 262 

 to tetanus by cultures in thymus 



bouillon, 359 

 inherited, 360 



to tuberculosis by attenuated cul- 

 tures, 485 

 Immunization of swine against rouget, 



method and disadvantages of, 515 

 Impf tetanus bacillus, 508 

 Incubating ovens, 88 

 Indigestion, sarcinae in stomach of per- 

 sons suffering* from, 662 

 Indol, antiseptic power of, 205 

 production of, 151 



by the cholera spirillum, 598 

 by vibrios resembling the chol- 

 era spirillum, 607 

 by bacillus septicaemias hsemor- 

 rhagicae in peptone solution, 

 501 

 by bacillus of swine plague, 



Marseilles, 509 

 by capsule bacillus of von Dun- 



gern, 562 

 not produced by the bacillus of hog 



cholera, 505 



test for the typhoid bacillus, 440 

 Infection, rapidity of, 231 



by inhalation, 102 

 Infections, mixed, 228 



secondary, 227 

 Infectious diseases, chronic, bacilli in, 



467 

 Influenza, protective inoculations against, 



335 



bacillus, discovery of, 8 

 morphology. 463 



