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MICROBIOLOGY OF MILK AND MILK PRODUCTS. 



Bacterial Counts of Certified Milk in Different Cities.* 

 Boston, Oct. i, 1909 to Sept. 30, 1910. 



New York City, Oct., 1909 to Sept., igio.t 



Chicago. 



Brooklyn. 



Moak gives the average of 321 counts for certified milk delivered in Brooklyn 

 during the first six months of 1910 as 4,095 bacteria per c.c. The best average from any 

 one farm was 561 bacteria per c.c. 



* Data given by Arms, 

 t Data given by Park. 

 } Data by Heinemann. 



