INDEX OF SUBJECTS 



731 



Colon-typhoid differentiation, media for, 



neutral-red, 138 



Russell's double sugar agar, 138 

 Colon-typhoid-dysentery group, bacilli 



of, 388 



characteristics of, 388 

 Colonies in agar, 146 

 Colony-fishing, 146 

 Colony study of bacteria, 161 

 Color indicator in titration, 117 

 Comma bacillus. See Spirillum cholera 



asiaticae 



Complement, deviation of, 246 

 division of, into fractions 245 

 filtration of, 244 



fixation of. See Complement fixation 

 further facts and theories concerning, 



242-245 

 in Ehrlich's theory of lytic process in 



blood serum, 226 

 in normal blood serum, 226 

 inhibition of, 245 



multiplicity of, in normal sera, 243 

 quantitative relationship between am- 



boceptor and, 246 



Complement fixation, action in, 246 

 by precipitates, 245 

 determination of antigen by, in serum 



reactions, 271 



of antibodies in sera by, 261 

 principles of , 261 

 reaction in, 261 



Wassermann test for. See Was- 

 sermann test for diagnosis of 

 syphilis 



proteid differentiation by, 273 

 Complementoids, 244 

 Conjunctivite subaigue, 545 

 Conradi-Drigalski medium, for colon- 

 typhoid differentiation, 134 

 isolation of typhoid bacillus in stools 



by, 408 



Cotton used in filtering culture media, 120 

 Counting of bacteria, 161 

 Cowpox, relation of, to smallpox, 659 

 use of, in immunization against small- 

 pox, 659 

 Crenothrix, 37 



Creolin, 78 



Cultivation of bacteria, anaerobic, 148 

 by absorption of oxygen by pyro- 

 gallic acid in alkaline solu- 

 tions, 152 

 Buchner's method, 152 



Wright's modification of, 153 

 combined with air exhaustion 

 and hydrogen replacement, 153 

 on agar slants, 153 

 without use of hydrogen, 155 

 by displacement of air with hydro- 

 gen, 151 



by mechanical exclusion of air, 148 

 Esmarch's method, 149 

 fluid media covered with oil, 150 

 Liborius' method, 149 

 Roux's method, 149 

 Wright's method, 150 

 Zinsser's apparatus for, 156 

 colony study in, 161 

 counting of bacteria in, 161 



incubation in, 1 ~>x 



I \t* 



See also Incubation of cultures 



Culture media, 124 

 agar for, 127 



lactose-litmus, 129 



meat extract, 127, 135 



meat infusion, 128 

 blood for, 140 

 blood serum for, 139 

 broth for, 124 



calcium carbonate, 126 



glycerin, 125 



meat extract, 124 



meat infusion, 124 



nitrate, 126 



pepton-salt, 126 



sugar-free, 125 



Uschinsky's proteid-free, 126 

 clearing of, 119 



by filtering through cotton, 120 



through paper, 121 



with eggs, 119 

 Dorsett egg, 130 



enriching substances used in, 138, 139 

 fluid, covered with oil, in anaerobic 



cultivation of bacteria, 150 



