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 Krtjmwiede, 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 



William H. Chambers. Bacterial Inhibition. I. Germicidal Action in Milk 527 



Albert C. Hunter. Bacterial Groups in Decomposing Salmon 543 



Zae Northrup Wyant and Ruth Normington. The Influence of Various Chemical 

 and Physical Agencies upon Bacillus botulinus and its Spores. I. Resistance to 

 Salt 553 



M. J. Prucha and F. W. Tanner. Time Saving Bacteriological Apparatus 559 



S. Henry Ayers axd Courtland S. Mudge. Milk-Powder Agar for the Determina- 

 tion of Bacteria in Milk 565 



S. Henry Ayers, Courtland S. Mudge, and Philip Rupp. The Use of Washed Agar 



in Culture Media 589 



Index to Volum b V 597 



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. 



