PATHOGENIC BACTERIA. 



133 



tures, and also the filtered bloody serum of animals dead with 

 the disease. 

 Spirillum of Relapsing Fever. (Obermaier.) 



FIG. 75. FIG. 76. 



Cultures in agar of malignant 

 (Edema, after 24 hours, at 37 C. 

 (Frftnkel and Pfeiffer.) 



Culture in gelatine of malig- 

 nant (Edema. (Frftnkel and 

 Pfeiffer.) 



Syn. Spirochsete Obermaieri. 



Origin. Found in the blood of recurrent fever patients, 

 described in 1873. 



