252 



SPIRILLUM CHOLEEJE ASIATICS. 

 FIG, 105. 



Spirillum cholerx Asiaticx : gelatin puncture-cultures aged forty-eight and sixty 

 hours. (Shakespeare.) 



containing bouillon which is slightly alkaline, and placed in 

 the incubator for twenty-four hours. The growth forms 



FIG. 106. 



Spirillum cholerx Asiaticx : involution-forms. X 700. (Van Ermengen.) 



rapidly in the shape of a luxuriant surface membrane. From 

 this membrane plate cultures are made. 



