CLARIFICATION OF MILK. 



209 



Table XXX^'II. — Bacteria per Cubic Centimeter before and after Clari- 

 fication {Hammer) . 



[Original count from 100,000 to 500,000 per cubic centimeter.] 



Table XXXVIII. — Bacteria per Cubic Centimeter before and after Clari- 

 fication (Hammer). 



[Original count over 500,000 per cubic centimeter.] 



Fifty-one comparisons were made on samples showing less than 100,000 

 organisms per cubic centimeter. In 3 cases (6 per cent.) the bacterial content 

 before and after clarification was the same; in 14 cases (27 per cent.) there was 

 a decrease during clarification varying from 2 to 24 per cent., and averaging 



