MICROSPIRA METCHNIKOVL 



483 



siime general appearance as that of the cholera spiril- 

 lum, but is exaggerated in degree. The liquefaction 

 is far more rapid, and the characteristic appearance 

 of the growth is lost in from three to four days. 



Fia. 81. 



abed 

 Stab-culture of microspira Metchnikovi in gelatin, at 18 to 20 C. 



a. After twenty-four hours. 6. After forty-eight hours, c. After seventy-two 

 hours, d. After ninety-six hours. 



(See a, 6, c, d, Fig. 81.) Development and liquefaction 

 along the deeper parts of the needle-track are much 

 more pronounced than is the case with the " comma 

 bacillus." 



Its growth on agar-agar is rapid ; after twenty-four 



