PLATE X. 



Copied from photographs by Koch in Cohn's " Beitrdge zur Biologic der 

 Pftanzen," Bd. II. , Heft 3. 



FIG. 1. Bacilli of Miltzbrand from the substance of the spleen. 

 X700. 



FIG. 2. Bacilli of Miltzbrand in blood of basilar artery col- 

 lected two days after death. X 700. 



FIG. 3. Spirillum ObermeierL X 700. 



FIG. 4. Bacilli of Miltzbrand cultivated in aqueous humor, 

 showing development of spores, x 700. 1 



1 The lithographer has not succeeded in making a satisfactory copy of Koch's 

 photo-inicrograph, in this figure. 



