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 



Dorothy F. Pettibone, Franklin P. Bogart and Paul F. Clark: The Bacteriology 



of the Bubble Fountain 471 



James M. Sherman: The Advantages of a Carbohydrate Medium in the Routine 



Bacterial Examination of Milk 481 



Hans Zinsser and J. G. Hopkins: On a Species of Treponema Found in Rabbits. . . . 489 

 W. W. Ford and Others: Studies on Spore-Bearing Non-Pathogenic Bacteiia. Part II 493 



C. A. Laubach : Spore-Bearing Bacteria in Dust 493 



C. A. Laubach : Spore-Bearing Bacteria in Water 505 



C. A. Laubach and J. L. Rice: Spore-Bearing Bacteria in Soil 513 



W. W. Ford: Miscellaneous Cultures 518 



W. W. Ford: Classification 527 



Paul R. Cannon: A Rapid and Simple Indol Test 535 



Nathan Berman and Leo F. Rettger: Bacterial Nutrition, a Brief Note on the Produc- 

 tion of Erepsin by Bacteria 537 



A. Parker HiTCHENs: A Practical Method for the Identification of Guinea-pigs under 



Treatment 541 



C. L. Williams and H. P. Letton: A Note on the Preparation of Agar Agar Culture 



Media 547 



Book Reviews: McFarland's Pathogenic Bacteria and Protozoa; D. Greenburg. Mallory's 



Principles of Pathologic Histology; F. P. Gay 549 



Abstracts of American Bacteriological Literature: 



Animal Pathology 553 



Bacteriology of Soils 553 



Bacteriology of the Mouth 563 



Bacteriology of Water and Sewage 564 



Classification of Bacteria ' 565 



Dairy Bacteriology 566 



Disinfection 567 



Immunology 568 



Laboratory Technique 576 



Plant Pathology 577 



Public Health Bacteriology 578 



Medical Bacteriology 579 



