THIS NUMBER COMPLETES VOLUME V 



VOLUME V NUMBER 6 



JOURNAL 



OF 



BACTERIOLOGY 



OFFICIAL ORGAN OF THE SOCIETY OF AMERICAN 

 BACTERIOLOGISTS 



NOVEMBER, 1920 



EDITOR-IN-CHIEF 



C.-E. A. Winslow 



It is characteristic of Science and Progress that they continually 

 open new fields to our vision. — Pasteub. 



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WILLIAMS & WILKINS COMPANY 



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Act of October 3J1917. Authorized on July 16, 1918. 



Copyrighted, 1920, Williams and Wilkins Company 



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