Vital Resistance 



363 



They measure one or two millimeters in diameter and never 

 become confluent. They are difficult to pick up with the 



Fig. 104. Smear of pus of chancroid of penis stained with carbol- 

 fuchsin, and briefly decolorized by alcohol. X 1500 (Davis). (Photo- 

 micrograph by Mr." L. S. Brown.) 







Fig. 105. Culture from ulceration on monkey resulting from inocu- 

 lation of culture from a case of chancroid of finger, first generation. 

 Stained with carbol-fuchsin, and briefly decolorized by alcohol. Cul- 

 ture of twenty-four hours' growth in rabbit's bouillon. X 1500 

 (Davis). (Photomicrograph by Mr. L. S. Brown.) 



platinum wire, tending to slide over the smooth surface of 

 the medium. 



Vital Resistance. The organisms seem to possess little 

 vitality, their life in artificial culture being limited to a few 



