io5 THE BACTERIA IN ASIATIC CHOLERA. [CH. 



identical with Fowl-cholera, is caused by a species of 

 comma-bacilli, which he calls " Vibrio Metschnikovi." This 

 vibrio is said to be indistinguishable in morphological and 



FIG. 36. CULTIVATION IN TEN PER 

 CENT. NUTRITIVE GELATINE OF A 

 MlCROCOCCUS ISOLATED FROM THE 

 BLOOD OF THE FlNGER OF A PER- 

 SON AFFECTED WITH SCARLATINA. 



The cultivation is one week old, and 

 very much resembles a cultivation of 

 choleraic bacilli. 



FIG. 37. CULTIVATION IN GELATINE 



(lO PER CENT.) OF SAME MlCRO- 

 COCCUS AFTER THREE WEEKS, 

 SHOWING A LARGE FUNNEL-SHAPED 

 OPENING ON SURFACE WITH AN 

 OCCLUDING AIR-BUBBLE. 



The main part of the growth is liquefied 

 gelatine with numerous granules at the 

 side and within it ; the depth is not 

 liquefied. 



cultural characters from Koch's comma-bacilli of human 

 Asiatic cholera. 



We see then that the number of the different known 

 species of comma-bacilli is already considerable and is 

 constantly increasing. 



