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 



A. Parker Hitchens 



Editor-in-Chief 

 C.-E. A. WINSLOW 



Yale Medical School, New Haven, Conn. 



Dr. Charles Krumwiede, Jr., Ex officio 



C. C. Bass 

 R. E. Buchanan 

 P. F. Clark 

 F. P. Gay 



F. P. GORHAM 



P. C. Harrison 



Advisory Editors 



H. W. Hill 

 E. O. Jordan 

 A. I. Kendall 

 C. B. Lipman 

 C. E. Marshall 



V. A. Moore 

 M. E.Penington 

 F. B. Phelps 

 L. F. Rettger 

 L. A. Rogers 



M. J. Rosenau 

 W. T. Sedgwick 

 F. L. Stevens 

 A. W. Williams 

 H. Zinsser 



CONTENTS 



Dan H. Jones. Further Studies on the Growth Cycle of Azotobacter 325 



W. A. Hagan. The Diagnosis of Anthrax from Putrefying Animal Tissues 343 



Albert C. Hunter. Bacterial Decomposition of Salmon 353 



W. S. Gochenour and Hubert Bunyea. The Filtration of Colloidal Substances 



Through Bacteria-Retaining Filters 363 



S. R. Gifford. Notes on the Fusiform Bacilli of Vincent's Angina 365 



P. J. Donk. A Highly Resistant Thermophilic Organism 373 



J. Russell Esty. The Biology of Clostridium Welchii. 375 



Frederick Eberson. A Note on the Viability of Meningococci on Yeast Agar Medium. 431 

 H. J. Conn and G. J. Hucker. The Use of Agar Slants in Detecting Fermentation. . 433 



Abstracts of American and foreign bacteriological literature appear in a separate journal, 

 Abstracts of Bacteriology, published bi-monthly by the Williams & Wilkins Company, undei 

 the editorial direction of the Society of American Bacteriologists. Back volumes can be 

 furnished in sets consisting of Volumes I, II and III. Price per set, net, postpaid, $18.00, 

 United States, Mexico, Cuba; $18.75, Canada; $19.50, other countries. Subscriptions are in 

 order for Volume IV, 1920. Price, per volume, $5.00, United States, Mexico, Cuba; $5.25, 

 Canada; $5.50, other countries. 



