EXPERIMENT STATION BULLETINS. 



491 



TABLE YII.— Bad. lactis acidi (lab). 



Number of test. 



II. 



III. 



,\ge of lactic culture. 



hours 

 1()8 hours 



liours 

 (iOO hours 



hours 

 120 hours 

 190 hours 



Number of tn)hoid liacilli per cc. of filtrate. 



Introduced. 



Discarded. 



59,550 



82,830 



Hours after 

 inoculation. 



/ 2li hoars.. 

 153 hours. . 



/24 hours.. . 

 I Not plated 



Count. 



None. 

 None. 



183,000,000 



TABLE VIII. — Bad. ladis acidi {from cheese). 



TABLE IX.— Bad. ladis acidi, No. 226. 



