6x6 



INDEX. 



Mouth as source of infection, 75 

 Movement, influence of, on growth of 



bacteria, 47 

 Mucous membranes as avenues of in- 

 fection, 80 

 Mumps, 270 



diplococcus of, 271-273 

 Mycetoma, 363, PI. III. 



causes of, 364 



distribution of, 366 



microscopic study of diseased tissue, 



365 

 streptothrix of, 363. See also Strep- 

 tot hrix Madura : 

 Mycoderma, 211 

 Myconostoc, 39 

 Mycoprotein, 29 

 composition, 29 



Neisser's method for staining bacillus 



diphtherise, 391 

 Nitrate broth, 58 



Nitrites, reduction of, by bacteria, 57 

 Nitrogen, combination of, with bacteria, 



59 

 Nodular leprosy, 342 

 Nose as source of infection, 74 

 Novy's jars for cultivation of anaerobic 



bacteria, 219, 220 

 Nutriment, influence of, on growth of 



bacteria, 45 



Obermeier's spirillum, 549 



Objects injured by dry heat, sterilization 

 of, 164, 171 



Odors, production of, by bacteria, 57 



Ophidiomonas, 39 



Optional anaerobics, 45 



Oxygen, influence on growth of bac- 

 teria, 45 



Oxytuberculin, 326 



Paraffin, method of imbedding, 150 



Paralysis after use of diphtheria anti- 

 toxin, 417 



Parasites, 50 



Parasitic bacteria, occasionally, 50, 63 

 purely, 50, 65 



Park's method for obtaining diplococ- 

 cus of cerebrospinal menin- 

 gitis from lumbar puncture, 

 276 



Parotitis, epidemic, 270. See also 

 Mumps. 



Pasteur-Charnberland filter, 168 



Pasteur's treatment of hydrophobia, 387 



Pathogenesis, bacterial, forms of, 83 



Pathogenic bacteria, 51, 60 

 determination of, 60 



Patient, disinfection of, 181 

 Penis, bacteria of, 78 

 Peptone solution as culture-medium, 199 

 Smith's modification of, 200 

 test for in do I in, 200 

 Peptonization of milk by bacteria, 59 

 Peritricha bacteria, 31 

 Petri dishes for cultivation of bacteria, 

 206 

 Heyroth's instrument for counting 

 colonies of bacteria in, 234 

 Petri's quantitative method for estimat- 

 ing bacteria in air, 230 

 Sedgwick and Miquel's 

 modification of, 231 

 sand-filter for air-examination, 230 

 Petruschky's bacillus, 517 



whey as culture-medium, 199 



as means of differentiating between 

 acid and alkaline products, 

 199 

 Pfeiffer's method for staining bacteria 



in sections of tissue, 15 1 

 " Pfeiffer's phenomenon," 138 



Kruse's explanation of, 139 

 Phagocytosis theory of immunity, 95, 



140 

 Phenolphthalein as "indicator" for 



culture-media, 184 

 Phenomena, antimicrobic, 137 

 " Phenomenon, Pfeiffer's," 138 

 Kruse's explanation of, 1 39 

 special, of infection, 88 

 Phlogistic bacteria, 85 



diseases, bacteria of, 246 

 Phosphorescence, production of, by bac- 

 teria, 57 

 Phosphorescent bacteria, 51, 57 

 Photogenic bacteria, 51,57 

 Photographing bacteria, 162 

 Phyloxins, 106 



Pied de Madura, 363. See also, My- 

 cetoma. 

 Pigment, production of, by bacteria, 53 

 " Pig typhoid," 531. See also Hog- 

 cholera. 

 Piorkowski's culture-media for differen- 

 tiating bacillus typhosus from 

 allied forms, 474 

 Pitfield's method for staining flagella, 



160 

 Placenta as avenue of infection, 83 



for tubercle bacilli, 310 

 Plague, bubonic, 551. See also Bu 



bonic plague. 

 Plague-serums, value of, 561 

 Plate-cultures, 202, 203 

 apparatus, 203 

 for pouring, 203 



