232 



MASS. EXPERIMENT STATION BULLETIN 187. 



Table XL VII. — Effect of Clarification on Pure Cultures of 

 Bacteria — Continued. 



B. prodigiosus. 



Suspended in • 



Before 

 Clarification. 



After 

 Clarification. 



Per Cent. 

 Removed. 



First Test. 

 Salt solution, 

 Whey solution, . 

 Certified milk, . 



Second Test. 

 Salt solution. 

 Whey solution, . 

 Certified milk, . 



Third Test. 

 Salt solution. 

 Whey solution, . 

 Certified milk, . 



700,000 



400,000 



1,350,000 



3,100,000 

 2,290,000 

 3,400,000 



830,000 

 2,000,000 

 1,970,000 



230,000 



170,000 



1,100,000 



840,000 

 1,250,000 

 2,600,000 



220,000 

 1,400,000 

 1,370,000 



67 



57 

 18 



72 

 45 

 22 



73 

 30 

 30 



B. tumescens. 



Salt solution. 

 Whey solution, 

 Certified milk. 



Salt solution. 

 Whey solution. 

 Certified milk. 



Salt solution. 

 Whey solution. 

 Certified mUk, 



First Test. 



Second Test. 



Third Test. 



