^ v ' ••' ■ 





64 







Figure 64. Variant Xll-b. Colony type on primary culture isolated from yolk of chick. Gen- 

 eral features similar to those of the colony illustrated in Figure 18. Liver infusion agar. Five 

 days old. Xll diameters. (See page 39.) 



Figure 6:i. Variant Xll-b. Colony type on primary culture isolated from necrotic tissue at 

 site of inoculation. General features resemble those of colony type illustrated in Figure 18. 

 Liver infusion agar. Five days old. X 11 diameters. (See page 39.) 



