EXAMINATION OF MICROORGANISMS 



13 



relations. The attempt must be made to obtain pure 

 cultivations, which are then, on the one hand, to be sub- 



segmentation 



into rods 



Spirilla-like 

 coils 



Branch resembling 

 spirochaeta 



FIG. 8. FORMS OF VEGETATION OF CLADOTHRIX DICHOTOMA. (After Zopf.) 



mitted to microscopic examination, and on the other 

 transferred to substances liable to fermentation and putre- 



