INDEX 



785 



Man (cont.): 



pathogenicity of Pneumococcus for, 

 7, 214-237, 435 

 Massachusetts Antitoxin and Vaccine 

 Laboratory, potency test on anti- 

 pneumococcic serum, 573-574, 653- 

 661 

 Mastoiditis, Pneumococcus in, 227 

 Media 



accessory substances. See Growth of 

 Pneumococcus 



blood agar, 46 



blood broth, 625 



broth 



for general purposes, 623 

 for mass cultures, 41, 623 

 for production of polysaccharides, 

 623-625, 634 



hormone-blood-agar, 44 



hormone-gelatin broth, 44 



inulin agar, 47 



inulin-serum water, 69, 625 



Martin bouillon, 44 



milk, 37, 41 



salt content, 37 



sputum, 37 



tryptic digest, 44 



yeast as accessory substance, 45 



See also Media, differential ; Isola- 

 tion; Growth of Pneumococcus 

 Media, differential 



boiled agar, 48 



chocolate agar, 138 



inulin agar, 47 



inulin-serum water, 47 



laked blood agar, 48 



laked blood-optochin agar, 48 



plasma-testicular agar, 48 



polytrope medium, 48 



serum-glucose agar, 47 

 Medicinal agents. See Chemotherapy 

 Meningitis 



accompanying pneumonia, 5, 6, 225 



experimental, 14, 180, 194, 195, 509 



Pneumococcus in, 8, 16, 17, 18, 19, 

 226 



primary, 9, 18, 19, 226 

 Metals and metallic salts in concen- 



tration of antipneumococcic se- 

 rum, 555 

 See also Chemotherapy 

 Methemoglobin, removal of, from cir- 

 culation, 80 

 Methemoglobin formation, 71-82 

 by potassium ferricyanide, 73 

 by sodium nitrate, 73 

 by variants, 148 

 effect of catalases, 73 

 effect on oxygen capacity of blood, 74 

 in circulating blood, 73, 80 

 in pneumonia, 73, 80 

 oxidation and reduction, 71-74 

 relation to peroxide formation, 73-82 

 reversibility of action, 81 

 Methylene blue, oxidation and reduc- 

 tion, 77 

 Mice. See Mouse (mice) 

 Microbe septice'mique du saliva, 1, 14 

 Microbio capsulato del Fraenkel, 20 

 Micrococcus Pasteuri, 1, 15 

 Micrococcus pneumoniae crouposae, 1, 



14, 19, 24 

 Microphotography in identification of 



species, 48 

 Milk 



as medium for Pneumococcus, 37, 



41 

 effect on virulence of Pneumococ- 

 cus, 203 

 protein as inhibitor of skin sensiti- 

 zation, 468 

 Mixed infections 



as complicating factor in type de- 

 termination, 121-122 

 in healthy individuals, 231 

 in lobar pneumonia, 121, 217 

 in mice, 188, 190 



isolation of Pneumococcus in, 47 

 Modified routine in precipitation test, 



644-645 

 Molecular weight of antibodies, 415- 



418 

 Monas pulmonale, 1, 6 

 Monkey (s) 



enzyme therapy of pneumonia in, 

 314 



