JOURNAL OF BACTERIOLOGY 



Contents 



JANUARY, 1922— VOL. VII— No. 1 



Hilda Hempl Heller. Certain Genera of the Clostridiaccae. Studies in Patho- 

 genic Anaerobes. V. 



O. IsHii. Studies upon Agglutination in the Colon-Typhoid Group of Bacilli, 



O. IsHii. A Study of Spontaneous Agglutination in the Colon-Typhoid Group of 

 Bacilli. 



Albert C. Honter. The Sources and Char-icteristies of the Bacteria in Decom- 

 posing Salmon. 



S. A. KosER .\M) W. W. Skinner. Viability of the Colon-Tj'phoid Group in Carbo- 

 nated Water .ind Ciirbonated Beverages. 



Guilford B. Rf.ed. A Binocular Microscope Arnincnd for (he Study of Colonie."! 

 of Bacteria. 



An Investigation of American Stains. 



NOVEMBER, 1921— VOL. VI— No. 6 



Gborqb E. Holm and James M. Sherman. Salt Effects in Bacterial Growth. 

 I. Preliminary Paper. 



Hilda Hempl Heller. Suggestions Concerning a Rational Basis for the Classi- 

 fication of the Anaerobic Becteris. Studies in Pathogenic Anaerobes. IV. 

 I. Preliminary Paper. 



J. Howard Brown. Hydrogen Ions, Titration and the Buffer Index of Bacterio- 

 logical .Media. 



J. E. Rc3H and G. a. Palmer. On Decreasing the Exposure Necessary for the 

 Gelatin Determination. 



Harold Macv. Chart of the Families and Genera of the Bacteria. 



SEPTEMBER, 1921— VOL. VI— No. 5 



G. P. Plaisance and JB, W. Ham.mer. The Mannitol-Producing Organisms in 



Silage. 

 Hilda Hempl Heller. Principles Concerning the Isolation of Anaerobes. Studies 



in Pathogenic Anaerobes. II. 

 John F. Norton and Mary V. Sawyer. Indol Production by Bacteria. 

 AtJG08TO BoNAZzi. On Nitrification. IV. The Carbon and Nitrogen Relations 



of the Nitrite Ferment. 

 Th. Thjotta and Odd Falsen Sondt. Toxins of Bact. Dysenterias, Group III. 



JULY, 1921— VOL. VI— No. 4 



Laura Florence. Spiral Bodies in Bacterial Cultures. 



James .M. Sher.man. The Cause of Eyes and Characteristic Flavor in Emmental 



or Swiss Cheese. 

 G. J. HucKER. A New Modification and Application of the Gram Stain. 

 Louis J. Gillespie. Color Standards for the Colorimetric Measurement of H-Ion 



Concentration. 

 Harriet Leslie Wilcox. The Effect of Pepton upon the Production of Tetanus 

 " Toxin. 

 K. G. Dernbt and J. Blanc. On the Growth and the Proteolytic Enzymes of 



Certain Anaerobes. 



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