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



Plate vi. 



::o.: Z 



l.'o.2 3 



Mo. 3 



3 



»o.i 1 



■~\ « ¥'. 











106, oco 



129 ,000 





1,340,000 



245,000 



r.'o.s 4 



Po.6 5 



So," 







-* ..•■■ 



*, *£?**■ ' ■ * 





.•i ••■- .. 



- ■ '' ;-i 





•'.'«.?"- 





. ~» " 



'IP 



750,000 



112,000 





61,0OC,C0C 



a, eco.occ 



: ,.i ••: 



Bc,10 ? 



r«.r 



'* 



Ko.lS 



% --(Witil,:M&. ■ 







, . "■ _ ' ' % 





%d 



,*>*' ;. : ; - • 





y* $ v.:. ^ '. 



: *W?Y *Qf 





"^ 





''•'*■■ ' 



*»"''■ 





•56,000 





?, 900, 000 



118,000 



i 



kg.v ic 



tlo.l 



10 



tto.M ;c 



*>^% 







4m > 



jgll 





: 





- ; •*?"- *' 



1,51C ,000 



Sediment Disks from Pints of Milk Produced Under Dirty Condi- 

 tions, with Utensils not Sterilized, Showing Results of Sporogenes 

 Test and Total Count. 



