INDEX 599 



Bunyea, Hubert, and Gochenour, W. S. The nitration of colloidal sub- 

 stances through bacteria-retaining filters 363 



Burget, G. E. Note on the flora of the stomach 299 



Carbohydrate media, The fate of bacteria of the colon-typhoid group on. . . 437 

 Carohydrates, A study of the action of eight strains of Bad. abortivo-equinus 



on certain of the 469 



Chambers, William H. Bacterial inhibition. I. Germicidal action in milk. 527 

 Characterization and Classification of Bacterial Types, Final report of the 

 Committee of the Society of American Bacteriologists on, The families 



and genera of the bacteria 191 



Chen, Chen Chong, and Rettger, Leo F. A correlation study of the colon- 

 aerogenes group of bacteria, with special reference to the organisms 



occurring in the soil 253 



Chorea, Bacteriologic studies in chronic arthritis and 511 



Clark, Guy W. A modified procedure for the preparation of testicular 



infusion agar 99 



Classification of the white and orange staphylococci, Notes on 145 



Clostridium We'.chii, The biology of 375 



Colloidal substances, The filtration of, through bacteria-retaining filters. . . 363 

 Colon-aerogenes group of bacteria, A correlation study of the, with special 



reference to the organisms occurring in the soil 253 



typhoid group of bacteria, On methods of isolation and identification 



of the members of. The study of bactericidal action of CR indicator. . 79 

 Colon-typhoid group, the fate of bacteria of the, on carbohydrate media. . . 437 

 "Color standards" for the colorimetric measurement of H-ion concentra- 

 tion pH 1.2 to pH 9.8 441 



Committee of the Society of American Bacteriologists on Characterization 

 and Classification of Bacterial Types. The families and genera of the 



bacteria 191 



, Report of the, on the Descriptive Chart for 1919 127 



, Report of, on Descriptive Chart. Part II. Report of progress during 



1919 315 



, Report of, on Descriptive Chart. Part III. A modification of the Gram 



stain 321 



Conn, H. J., and Breed, R. S. The nomenclature of the actinomycetaceae 



(Addenda) 489 



, Chairman, Harding, H. A., Kligler, I. J., Frost, W. D., Prucha, M. J., 



and Atkins, K. N. Report of the Committee on the Descriptive Chart 



for 1919 127 



, , , . Report of Committee on Descriptive Chart. Part II. 



Report of progress during 1919 315 



Conn, H. J., and Hucker, G. J. The use of agar slants in detecting fer- 

 mentation 433 



Correlation, A, study of the colon-aerogenes group ot bacteria with special 



reference to the organisms occurring in the soil 253 



CR indicator, The study of bactericidal action of. On methods of isolation 



and identification of the members of the colon-typhoid group of bacteria. 79 



