3 ) 







*>* 



40 ' "** i 







Figure 31. Variant B. Colonies of primary culture. Meat extract agar. 40 hours old. 

 X15 diameters. (See page 36.) 



Figure 32. Variant B. Isolated colonv in primary culture from spleen. Reveals an undulat- 

 ing edge due to the debris on the agar surface. Meat extract agar. 40 hours old. X 15 diameters. 



Figure 33. Variant B. Isolated colony in primary culture from spleen. Meat extract agar. 

 Six days old. X 15 diameters. 



Figure 34 Variant B. Congested colonies in primary culture from spleen. Liver infusion 

 agar. Two days old. X15 diameters. 



Figure 35. Variant B. Isolated colony in primary culture from spleen. Liver infusion agar. 

 Two days old. X15 diameters. 



Figure 36. Variant B. Isolated colony in primary culture from spleen. Liver infusion agar. 

 Six days old. X 25 diameters. 



Figure 37. Variant B. Isolated colony in primary culture from liver. Liver infusion agar. 

 Six days old. X 15 diameters. 



Figure 38. Variant B. Cells in a smear prepared from colony illustrated in Figure 32. X 1200 

 diameters. 



..r^ r ^. 39 - Variant B - Cells '" a smear prepared from colony type illustrated in Figure 35. 

 X1200 diameters. 



wfi&n re .. 40 ' Variant B - Cel 's in a smear prepared from colony type illustrated in Figure 31. 

 X 1200 diameters. 



wfil,n re J . 41 ' Variant B - CelIs '" a smear prepared from colony type illustrated in Figure 34. 

 X1200 diameters. 



