EXPERIMENT STATION BULLETINS. 



493 



TABLE XlU.—Bact. lactis acidi, (stock). 



Number of test. 



Age of lactic culture. 



Acidity of 



lactic 

 cultures. 



Filt'd 



Number of tj^hoid bacilli per cc. of filtrate. 



Introduced. 



Hours after 

 inoculation. 



Count. 



II. 



III. 



IV... 



hours . . 



96 hours . . 



1G8 hours . . 



264 hours . . 

 312 hours . . 



hours . . 



96 hours . . 



166 .5 hours 



265 hours . . 



315 hours . . 



hours-. . 



68 hours . . 



167 hours . . 



316 hours . . 



hours . . 

 19 hours . . 

 48 .5 hours 

 70.5 hours 

 93 hours . . 



hours . . 

 29.5 hours 

 51 .5 hours 

 74 hours . . 



15° 1 



57° I 

 61° f 

 61° J 



+ 



+ 



+ 



+ 



221,500 



43,650 



2,. 390 



74,250 



47,700 



/ 25 hours.. . 

 [ Not plated. 



/ 25.5 Iiours. 

 I, 49 hours.. . 



(25.5 hours. 

 1 Not plated. 



/ 22.5 hours. 

 1, 49 hours.. . 



'22.5 hours. 

 ^49 hours.. . 



None. 



None. 

 None. 



None. 



None. 

 None. 



None. 

 None. 



TABLE XIV. — Bad. lactis acidi (from starter). 



