THIS NUMBER COMPLETES VOLUME VI 



VOLUME VI NUMBER 6 



JOURNAL 



OF 



BACTERIOLOGY 



OFFICIAL ORGAN OF THE SOCIETY OF AMERICAN 

 BACTERIOLOGISTS 



NOVEMBER, 1921 



EDITOR-IN-CHIEF 

 C.-E. A. WiNSLOW 



It is characteristic of Science and Progress that they continually 

 open new fields to our visions.— Pastevr. 



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WILLIAMS & WILKINS COMPANY 



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 Copyright 1921, WiUiamfl and WiUdnfl Company 



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