620 INDEX 



Disinfection studies. The effects of temperature and hydrogen ion concen- 

 tration upon the viability of Bad. coli and Bad. typhosum in water. . . . 183 



Explosion, the cause of, in chocolate candies 599 



Fred, E. B. and Peterson, W. H. The production of pink sauerkraut by 



yeasts 257 



Fungi in the soil, A method for counting the number of 339 



Further observations on "color standards" for the colorimetric determina- 

 tion of H-ion concentration 589 



Genera, Certain, of the clostridiaceae. Studies in pathogenic anaerobes, V. 1 

 Gentian violets, An investigation of American. Report of committee on 



bacteriological technic 529 



Gorini, Costantino. Studies on the biology of lactic acid bacteria: a sum- 

 mary of personal investigations 271 



Gram stain, Notes on the, with description of a new method 159 



Green, Robert G. An apparatus for the rapid measurement of surface 



tension 367 



Growth, bacterial, on a solid medium, procedure for the direct tracing of, 



Method for the isolation of bacteria in pure culture from single cells and 537 

 , , Salt effects in, III. Salt effects in relation to the lag period and 



velocity of growth 583 



of a streptococcus. The relation of vitamines to the 449 



of some aerobic spore-bearing bacteria. Influence of vacuum upon. . . . 283 



, Salt effects in relation to the lag period and velocity of. Salt effects in 



bacterial growth. III 683 



, The, of Bad. coli in relation to H-ion concentration. Salt effects in 



bacterial growth, II 465 



H-ion concentration. Further observations on "color standards" for the 



colorimetric determination of 589 



, The growth of Bad. coli in relation to. Salt effects la bacterial 



growth, II 465 



Harrison, F. C. Our society 149 



Heller, Hilda Hempl. Certain genera of the clostridiaceae. Studies in 

 pathogenic anaerobes, V 1 



Hemoglobinophiltis canis, Bacillus (Friedberger) (Hemophilus canis emend).. 579 



Hemophilus canis emend, Bacillus hemoglobinophilus canis (Friedberger) . . . 579 



Holm, George E. and Sherman, James M. Salt effects in bacterial growth. 



II. The growth of Bad. coli in relation to H-ion concentration 465 



, , and Albus, VV. R. Salt effects in bacterial growth. III. Salt 



effects in relation to the lag period and velocity of growth 583 



Howe, Paul E. and Brown, J. Howard. Transparent milk as a bacteriological 

 mediimi 511 



Hucker, G. J. and Wall, W. A. The use of agar slants in detecting ammonia 

 production and its relation to the reduction of nitrates 515 



Hunter, Albert C. The sources and characteristics of the bacteria in decom- 

 posing salmon 85 



Hydrogen ion concentration. The effects of temperature and, upon the via- 

 bility of Bad. coli and Bad. typhosum in water. Disinfection studies. . 183 



