JOURNAL OF BACTERIOLOGY 



OFFICIAL ORGAN OF THE SOCIETY OF AMERICAN BACTERIOLOGISTS 



DEVOTED TO THE ADVANCEMENT AND DIS- 

 SEMINATION OF KNOWLEDGE IN REGARD TO 

 THE BACTERIA AND OTHER MICRO-ORGANISMS 



Editorial Board 



Editor-in-Chief 

 C.-E. A. WINSLOW 



Yale Medical School, New Haven, Conn. 



A. Parker Hitchens 



R. E. Buchanan, Ex officio 



C. C. Bass 

 R. E. Buchanan 

 P. F. Clark 

 F. P. Gay 



F. P. GORHAM 



F. C. Harrison 



Advisory Editors 



H. W. Hill 

 E. O. Jordan 

 A. I. Kendall 

 C. B. Lipman 

 C. E. Marshall 



V. A. Moore 

 M. E. Pennington 

 E. B. Phelps 

 L. F. Rettgbr 

 L. A. Rogers 



M. J. Rosenau 

 W. T. Sedgwick 

 F. L. Stevens 

 A. W. Williams 

 H. Zinsser 



CONTENTS 



N. S. FiCRRY and Arlyle Noble. Ozena and Distemper: Comparative Study of Coc- 

 cobacillus foetidus-ozaenae and Bacillus bronchisepticus 499 



Selman a. Waksman. Studies on the Proteolytic Enzymes of Soil Fungi and 



Actinomycetes 509 



H. J. Sears and Lulu L. Case. Some Observations on the Efficiency of the Present 



Standard Agar for the Estimation of Bacteria in Milk 531 



H. A. NoYES. Sterilizing Measured Amounts of Water in the Autoclave 537 



R. E. Buchanan. Studies in the Classification and Nomenclature of the Bacteria. X. 



Subgroups and Genera of the Myxobacteriales and Spirochaetales 541 



Reuben L. Kahn. A Note on the Nature of the Reaction of B. coli on Endo Medium 547 



Reuben L. Kahn. A Simplified Confirmatory Test for B. coli 555 



Reuben L. Kahn. The Differentiation of Lactose Fermenting Anaerobes from B. coli 561 

 Index 565 



Abstracts of American and foreign bacteriological literature appears in a separate 

 journal, Abstracts of Bacteriology, published bi-monthly by the Williams & Wilkins Com- 

 pany, under the editorial direction of the Society of American Bacteriologists. Back volumes 

 can be furnished in sets consisting of Volume I, 1917 and Volume II, 1918. Price per set, net, 

 postpaid, $10.00, domestic; $11.00, foreign. Subscriptions are in order for Volume III, 1919. 

 Price, per volume, $5.00 North America; $5.50 elsewhere. 



