CLASSIFICATION OF THE BACTERIA. 97 



M. gregarium, Cohn. 



Unique species found on the surface of a putrefying 

 infusion. 



g. Cladothrix, Cohn. 



Filaments in form of leptothrix, very slender, color- 

 less, not articulated, rigid or a little undulating, falsely 

 diehotomous. 



Gl. dichotoma, Cohn. In foul water. 



g. Streptothrix, Cohn. 



Filaments in form of leptothrix, very slender, color- 

 less, not articulated, straight or slightly spiral, a little 

 branched. 



Sir. Farsteri, Cohn. 



In concretions in the lachrymal canal of man. 



