Fig. 
Fia. 1] 
Fia. 
ILLUSTRATIONS. 
| Photomicrographs by Martin. ] 
PLATE I. 
Section of spleen stained by Gram’s method showing a focus of the 
organisms described. X 1000. 
Same as fig. 1. X 1920. 
Prats If. 
. The bacillus from a culture on glycerine agar, Gram’s stain. NX 1920. 
The same organism, Gram’s stain from bouillon culture. X 1920. 
PLATE IIL. 
The same grown on potato during sixty hours. X 1920, 
The same grown on blood serum ninety-six hours old. X 1920. 
