Bui. 940, U. S. Dept. of Agriculture. 



Plate viii. 



No.l 







'Ho. 2 



No. 3 







He. 4 







/ 









42.000,000 





64 ,000 ,000 



4,3CC,GCC 





4.80C, COO 



tic. 5 



1 



Ho. 6 1 



No, 7 



x 



Ho. 3 1 



■ 





m 



Cl 











. / 







'" ' 



38, COO .000 





23,900,000 



8,400,000 





1,310,000 



No. 9 



1 



Ho. 10 1 



m 



Ko.ll 



i | ' ) 



1 



Ho. 12 2 



7 ,6C0 ,000 





9,200,000 



4,400,000 





' i 7 



32,800,000 



Bo. 13 



3 



Ko.14 4, 



So. 15 



5 



Ho. 16 8 



ft) 





■a 



it) 





2) 



1,170,000 





13,600,000 



18,900,000 





45,000,000 



Sediment Disks from Pints of Milk Produced Under Clean Con- 

 ditions, with Utensils not Sterilized, Showing Results of the 

 Sporogenes Test and the Total Counts. 



