.^Tt^J s~ -^ ^- ■ 



Figure :$. Strain IV. Typical colony on hormone agar. 20 hours old. X340 diameters. 

 See page 20 and Tahle 4.) 



Figure 4. Variant lV-a. A granular, irregular-shaped colony on meat extract agar. 2(1 hours 

 old. X 340 diameters. See Table 4.) 



Figure .">. Variant IV-a. An irregular-shaped striated colony on meat extract agar. 20 hours 

 old. < 340 diameters. 



Figure ti. Variant IV-a. An irregular-shared colony, partly granular and partly striated. 

 Meat extract agar. 20 hours old. • 340 diameters. 



Figure 7. Variant IV-a. Scattered and grouped threads of growth on meat extract agar 

 20 hours old. X340 diameters. 



