JOURNAL OF BACTERIOLOGY 



OFFICIAL ORGAN OF THE SOCIETY OF AMERICAN liACTKRIOLOGISTS 



DEVOTED TO THE ADVANCEMENT AND DIS- 

 SEMINATION OF KNOWLEDGE IN REGARD TO 

 THE BACTERIA AND OTHER MICRO-ORGANISMS 



Editorial Hoard 



Editor in-Chtej 



C.-E. A. WINSLOW 



Yale Medical ejchool, New Haven, Conn. 



A. Parker Kitchens 



F. C. Harrison, Ex officio 



Principal, MacDonald College, 



P. Q., Canada 



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.Penington 

 F. B. Phelps 

 L. F. Rettoer 

 L. A. Rogers 



M. J. ROSENAU 



W. T. Sedgwick 

 F. L. Stevens 

 A. W. Williams 

 H. Zinsser 



CONTENTS 



Hilda Hempl Heller. Certain Genera of the Clostridiaceae. Studies in Pathogenic 

 Anaerobes. V 1 



O. IsHii. Studies upon Agglutination in the Colon-Typhoid Group of Bacilli 9 



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

 Bacilli 71 



Albert C. Hunter. The Sources and Characteristics of the Bacteria in Decomposing 

 Salmon 85 



S. A. KosER AND W. W. Skinner. Viability of the Colon-Typhoid Group in arbo- 

 nated Water and Carbonated Beverages Ill 



Guilford B. Reed. A Binocular Microscope Arranged for the Study of Colonies of 

 Bacteria 121 



An Investigation of American Stains 125 



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

 Abstracts of Bacteriology, published 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, III and IV. Price per set, net, postpaid, $24.00, 

 United States, Mexico, Cuba ; S2,').00, Canada; 120.00, other countries. Subscriptions are in 

 order for Volume V, 1921. Price, per volume, $5.00, United States, Mexico, Cuba; $5.25, 

 Canada; $5.50. other countries. 



