752 



INDEX OP SUBJECTS 



Milk, bacteria in, propagation of, 700 

 sources of, 699 



under ordinarily hygienic condi- 

 tions, 699 

 varieties of, 701 

 "bitter," 703 



butyric-acid fermentation in, 702 

 certified, 701 

 cholera traced to, 705 

 coagulation of casein in, 702 

 color changes in, 703 

 diarrheal diseases traced to, 705 

 diphtheria traced to, 705 

 foot-and-mouth disease virus in, 706 

 lactic-acid fermentation in, 701 

 pasteurization of, 709 

 pus cells and leucocytes in, 706 

 relation of, to infectious diseases, 703 

 scarlet fever traced to, 704 

 "slimy," 703 

 streptococci in, 705 

 streptococcus throat infections con- 

 veyed by, 343, 706 

 supervision of supply of, 700 

 tubercle baciUi in, 707 

 infection from, 708 

 precautions against, 708 

 dairy inspection in, 708 

 Milk, tubercle bacilli in, precautions 

 against, tuberculin test of cows 

 in, 708 

 transmission of, from cow, 707 

 ts^phoid fever epidemics traced to, 

 703 

 Milk media, 130 

 Milzbrand, 563 



Moeller's method of staining spores, 98 

 Moitessier's gas-pressure regulator, 169 

 Molds. See Hyphomycetes 

 Morax-Axenfeld bacillus, 545 

 cultivation of, 546 

 morphology and staining of, 546 

 pathogenicity of, 547 

 Motility of bacteria, 14 

 by flagella, 14 

 Brownian, 14 



effect of temperature on, 15 

 molecular, 14 



Motility of bacteria, organs of, 13 



true, 14 

 Mucorinse, reproduction in, 635-636 

 Muguet. See Thrush 

 MultipUcity of amboceptors in normal 

 sera, 241 

 of complement in normal sera, 242 

 Mycetoma, clinical picture of, 627 

 granules in, 627 

 melanoid, 627 



cultivation of, 627-628 

 morphology of, 627 

 ochroid, 627 

 Mycomycetes, 635 



Nakanishi, "intravital" staining method 



of, in study of bacteria, 94 

 Negri bodies in central nervous system in 

 rabies, 648 



demonstration of, 648 



diagnosis of rabies by, 650 



explanation of, 650 



significance of, 651 



staining of, 108 

 Neisser, discovery of Diplocoocus gon- 

 orrhoeae by, 380 



discovery of lepra bacillus by, 505 

 Nephrotoxin, 201 

 Neufeld and Rimpau's discovery of 



opsonic substances, 282 

 Neurotoxin, 201 

 Neutral-red medium for colon-typhoid 



differentiation, 138 

 "New tuberculin" (Koch), 491 

 "New tuberculin-baciUary emulsion," 



492 

 Nitrate-solution broth, 126 

 Nitrifying bacteria, 67 



action of, 58 



agricultural importance of, 58 

 Nitrogen fixation by bacteria, 54 

 microorganism of, 54 



in root tubercles, 55 

 experimentation on, 56 

 microorganism of, 55 

 process of, 56 



in soil, 54 

 Nitrogen in nutrition of bacteria, 28 



