EXPERIMENT STATION BULLETINS. 



501 



TABLE XX. — Bact. acidi lactici, No. 2. 

 GROWN IN IJ PER CENT LACTOSE BROTH. 



Number of test. 



Age of lactic culture. 



Acidity of 



lactic 



culture. 



Number of typhoid bacilli per ec. in filtrate. 



Age of culture. 



Count. 



VI. 



71 hours . 



28° 



21 hours. . 

 47.5 hours 

 70.5 hours 

 94 hours . . 



27° 

 32° 

 32° 

 30° 



VII*. 



VIII*. 



23 hours 

 28 hours 

 48 hours 



34° 

 33° 

 34° 



Introduced 



7 hours. 



24 hours . 



31 hours . 

 48 hours. 

 55 hours. 

 72 hours. 

 79 hours. 

 96 hours . 



120 hours . 

 129 hours. 

 216 hours . 

 264 hours. 



Introduced 



7 hours . 



24 hours . 



32 hours . 

 48 hours. 

 75 hours . 

 96 hours. 



103 hours . 

 120 hours. 

 144 hours . 



Introduced 



23 hours . 



30 hours . 



47 hours. 



54 hours . 



71 hours . 



78 hours . 



95 hours. 

 103 hours. 

 119 hours. 

 126 hours . 

 143 hours . 

 168 hours . 



7,768 



4,626 



5,463 



5,850 



5,060 



4,893 



5,330 

 t2,100 



4,165 

 t2,926 

 t2,435 



5,786 

 Broth turbid. 



2,41.3 



887 



771 



627 



456 



84 



27 



3 



2 



None. 



21,510 

 13,643 

 17,750 

 .39,870 

 51,795 

 38.475 

 42,615 

 37,885 

 49,080 

 59,220 

 58,050 

 65,500 

 Contaminated with molds. 



*Cirown in 5 per cent lactose broth. 

 tSee note t under Table XIX. 



