VIBRIO PROTEUS. 



397 



white fluid. Under these conditions its growth is ac- 

 companied by a marked aromatic odor, impossible to 

 describe; this is especially the case when the liquefac- 

 tion is far advanced. 



Fig. 77. 



o 6 c d 



Stab-caltme of the Finkler-Prior bacillus in gelatin at 18° to 2(PC. 



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



hoars, d. After ninety -six hours. 



In stab-cultures in gelatin at the room temperature, 

 liquefaction is noticed about the upper part of the 

 needle-track in twenty-four hours. This condition 

 gradually increases, and at the end of two or three days 

 the entire upper portion of the gelatin has become con- 

 verted into a cloudy fluid, whereas at the lower part of 

 the canal the liquefaction progresses less rapidly, but is 



18 



