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. 



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. 0. Jordan 

 A. I. Kendall 

 C. B. Lipman 

 C. E. Marshall 



V. A. MOORB 



M. E. Pennington 

 E. B. Phelps 

 L. F. Rettger 

 L. A. Rogers 



M. J. ROSBNAU 



W. T. Sedgwick 

 F. L. Stevens 

 A. W. Williams 

 H. Zinsser 



COxNTENTS 



N. S. Ferry and Arlyle Noble. Studies Relative to the Apparent Close Rela- 

 tionship Between Bact. Pertussis and B. Bronchisepticus. I. Cultural Agglu- 

 tination and Absorption Reactions 193 



Harold C. Robinson and Leo F. Rettger. The Growth of Bacteria in Protein- 

 Free Enzyme- and Acid-Digestion Products 209 



L. A. Rogers, William Mansfield Clark and Herbert A. Lubs. The Charac- 

 teristics of Bacteria of the Colon Type Occurring in Human Feces 231 



Max Levine. A Statistical Classification of the Colon-Cloacae Group 253 



Philip Hadley. Studies on Fowl Cholera. V. The Toxins of Bacillus Avisepticus. , 277 



O. W. Hunter. A Lactose Fermenting Yeast Producing Foamy Cream 293 



R. E. Buchanan. Studies in the Classification and Xomenclature of the Bacteria. 



VII. The Subgroups and Genera of the Chlamydobacteriales 301 



E. G. Hastings and C. B. Morrey. Early Instructors in Bacteriology in the United 



States. (Addenda) 307 



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. Price, $5.00 

 North America; $5.50 elsewhere. 



