INDEX TO VOLUME V 



Acree, S. F., Brightman, Charles L., and Meacham, M. R. A spectro- 

 photometric study of the "salt effects" of phosphates upon the color 



of phenolsulfonphthalein salts and some biological applications 169 



, Meacham, M. R., and Hopfield, J. H. A method of determining the 



relative toxicity of sodium, potassium, lithium, and other ions toward 



Endothia parasitica: Data on sodium chloride 309 



, , . Preliminary note on the use of some mixed buffer materials 



for regulating the hydrogen ion concentrations of culture media and of 



standard buffer solutions 491 



, , . The relative effect of phosphate-acetate and of phosphate- 



phthalate buffer mixtures upon the growth of Endothia parasitica on 



malt extract and corn meal media 305 



Actinomycetaceae, The nomenclature of the. (Addenda) 489 



Actinomycetes, Studies in the metabolism of. III. Nitrogen metabolism. . 1 



, Studies in the metabolism of. IV. Changes in reaction as a result 



of the growth of actinomycetes upon culture media 31 



Agar, Milk-powder, for the determination of bacteria in milk 565 



slants, The use of, in detecting fermentation 433 



Agar, washed, The use of, in culture media 589 



Anthrax, The diagnosis of, from putrefying animal tissues 343 



Apparatus, Description of an, for obtaining samples of water at different 



depths for bacteriological analysis 103 



Arthritis, Bacteriologic studies in chronic, and chorea 511 



Atkins, Kenneth N. Report of Committee on Descriptive Chart. Part III. 



A modification of the Gram stain 321 



Atkins, K. N., Conn, H. J., Chairman, Harding, H. A., Kligler, I. J., Frost, 

 W. D., and Prucha, M. J. Report of the Committee on the Descriptive 



Chart for 1919 127 



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

 port of progress, during 1919 315 



Ayers, S. Henry, and Mudge, Courtland S. Milk-powder agar for the 



determination of bacteria in milk 565 



, , and Rupp, Philip. The use of washed agar in culture media. . . . 589 



and Rupp, Philip. Extracts of pure dry yeast for culture media 89 



Aztobacter, Further studies on the growth cycle of 325 



Bacillus botulinus, The influence of various chemical and physical agencies 



upon, and its spores. I. Resistance to salt 553 



Bacillus, On the, of Morgan No. I — A meta-colon-bacillus 67 



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



of the carbohydrates 469 



597 



THE JOURNAL OF BACTERIOLOGY, VOL. V, NO. 6 



