conspectus: agents of transmission 27 



Fig. is. — Bacterium translucens var. unduloswn Smith, Jones and Reddy, 

 from black chaff of wheat. No. 662, Monticello, Illinois. Surface and buried 

 yellow colonies on + 15 beef-peptone agar-poured plate. A pure-culture glume 

 isolation of June 21, 1918. Photographed July 1 by oblique light to show internal 

 markings — surface smooth. X 10. 



