2l6 



Theobald Smith 



The behavior of B. cloaca in the fermentation tube reminds 

 us of the action of ordinary yeast under the same conditions. 

 There is in both the same rapid evacuation of fluid from the 

 closed branch. The fundamental difference between the two 

 processes, however, is the invariable presence of H in cultures 

 of the bacterium. 



bo 



« 



1 

 =? 



»-J 



