VOLUME VI 



NUMBER 1 



JOURNAL 



OF 



BACTERIOLOGY 



OFFICIAL ORGAN OF THE SOCIETY OF AMERICAN 

 BACTERIOLOGISTS 



JANUARY, 1921 



BDITOH-IN-CHIBP 



C.-E. A. WiNSLow 



h ia ckaracUritiic of Science and Progress thai ihey continually 

 open twto fields to our vision. — Pabtedb. 



PUBLISHED BI-MONTHLY 



WILLIAMS & WILKINS COMPANY 



BALTIMORE, U. S. A. 



Entered u BMond'OlHi 



March 8, 1879, 



olM matter AprU 17, 1B1«, at the poetoflBce at Baltin«>re,MaijrlandiUnder the act of 

 ! Ao^tSce^or mliling at epecJal rate of poetaee pro'nded for in feeetion 1108. 



Act of October 3. 1917. Authoriied on July !«, 1918 



Copyrighted, 1921, WilUamB and WiUdne Company 



_. ^ f $5.00 per volume, United Statee, Mexico, Cuba 



^^iJ^fi ^-25 per volume, Canada 

 postpaia [ j5,50per volume, other countrieB 



