Bui. 739, U. S. Dept. of Agriculture. 
Plate I, 
Small-top pai', « 
Bactsria and col an count per cubic centimeter. 
n r *n r-.--! . Small-top pail ,. 
40,000 
Golan- 26,400 
• 
Open pail. 
1,950,000 
Col ant — SL 
10 
til 
■i mi 
Col on- — D_ 
Colon- 2,000 
SSOjOOO 
1,080,000 
630,000 
(■ 
V • s 
%, .- t 
850,000 
179,000 
■!i> 
'% ," 
Colon- 
Colon- 300 
Co lan- Q 
Colon- 
i 
304,000 
460,000 
Colan- 
Colon- 
Sediment Disks from Pints of Milk Produced in Dirty Barn with Uten- 
sils not Sterilized but Washed at Once After Previous Milking. 
