PLATE X. 



Copied from photographs by Koch in Cohn's " Beitrage zur Biologie der 

 Pfianzen," 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 Obermeieri. X 700. 



Fig. 4. — Bacilli of Miltzbrand cultivated in aqueous humor, 

 showing development of spores, x 700. * 



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

 photo-micrograph, in this figure. 



