VOLUME V NUMBER 5 



JOURNAL 



OF 



BACTERIOLOGY 



OFFICIAL ORGAN OF THE SOCIETY OF AMERICAN 

 BACTERIOLOGISTS 



SEPTEMBER, 1920 



EDITOR-IN-CHIEF 



C.-E. A. WlNSLOW 



It is characteristic of Science and Progress that they continually 

 open new fields to our vision.— Pasteur. 



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Copyrighted, 1920, Williams and Wilkins Company 



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