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 Kitchens 



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 



Ivan C. Hall. Chemical Criteria of Anaerobiosis with Special Reference to Methyl- 

 ene Blue 1 



Herbert W. Hamilton. Powdered Litmus Milk. A Product of Constant Quality and 



Color which Can be Made in Any Laboratory 43 



P. G. Heineman and Charles R. Hixson. Bacteria Concerned in the Ripening of 



Corn Silage , 45 



Margaret C. Perry and W. F. Monfort. Some Atypical Colon-Aerogenes Forms 



Isolated from Natural Waters 53 



Robert Graham and Herman R. Schwarze. Botulism in Cattle 69 



Chr. Barthel. Note on the Indol Test in Tryptophane Solution 85 



J. T. Connell and L. E. Holly. The Nature of Hemolysins 89 



C. C. Warden, J. T .Connell and L. E. Holly. The Nature of Toxin. The Antigens 

 of Corynebacterium diphtheriae and Bacillus megatherium and their Relation to 

 Toxin 103 



James M. Sherman. The C.as Production of Streptococcus kefir 127 



C.-E. A. WiNSLOW. The Importance of Preserving the Original Types of Newly 



Described Species of Bacteria 133 



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

 Abstracts of Bacteriology, i)ublished bi-monthly by the Williams & Wilkins Company, under 

 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. 



