94 BULLETIN 642, U. 8. DEPARTMENT OF AGRICULTURE. 
from June 5 to 15,1916. The average bacterial count of 15 samples 
from the small-top pail was 2,667 and from the open pail 4,947 
bacteria per cubic centimeter, as shown in Table 8. In the previous 
series (Table 4) the average bacterial count was 2,154, compared with 
2,667, the average count obtained in this series. The figures are par- 
ticularly interesting, as they represent average counts of milk pro- 
duced under similar conditions with periods of time about three 
months apart. The bacterial counts of milk from the small-top com- 
pared with open pails again show the value of the former type. 
TABLE 8.—Bacteria per cubic centimeter in dual samples of fresh milk pro- 
duced under conditions described in Experiment No. 7. 
Saini Open | Small-top || Sample} Open j|Small-top 
Date No. pail. pail. Date. | No. pail. pail. 
1916 1916 
JUL pe Missareses cee 1 4,900 1,300) || Sune 10;asmeis se... =. 10 3, 100 2,300 
June GyadMyees se se a 2] 21,300 1,200 || June 10, p. m.. 11 8, 400 1,600 
AP ELY Ops Ott ee ee 3 3, 700 6,400 || June 12, a, m..- =e 12 3, 800 5, 400 
Sime 7, Ns oe 4 3, 100 25300: || dune 1255p. mis 2 2 eee 13 1,700 4,600 
June 7, p. m.... 5 4,900 2-200 || June lS a.m. ee 14 1,500 2,100 
June Syan ie see 6 3, 700 14008) Fume tS Spepmiee sae ee 15 900 2,200 
June 8, p.m... 71 22800 2° 400 | 
JUNE Qa Mes 2 seo 8 7, 500 3,300 | AVGlaSe. 22 = saenc | See eee 4,947 2,667 
spibites $f 10s eS 55555 9 2,900 1,300 | 
Fic. 14.—Condition of barn during Experiment No. 7. 
