CONSPECTUS: AGENTS OF TRANSMISSION 



29 



FIG. 20. Bacterium translucens var. undulosum S., J. R. from black chaff of 

 wheat. No. 252, Republic, Missouri. Beef-peptone gelatin-poured plate (+9) 

 from colony 52. Photographed by oblique light (from direction of the arrow) to 

 show the small dry liquefaction pits. For the two at x, enlarged, see Fig. 21. 



