673 
Experiment No. 11. 
Quart mixed market milk. 
Bottle immersed in water 5 inches, 4 inches out. 
No distinct cream line. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
; Colonies, 
i per loop 
in agar. : 
I j 
I Remarks. | 
i 
Top. 
Bottom. 
°C. 
°a 
°C. 
Canutes. 
! 
! 
28 
23 
16 
7, 100 
40 
23.5 
20 
50 
24 
23 
60’ 
24.5 
28 
6i 
70 
25 
32 
81 
80 
30 
40 
lOi 
12,000 
85 
Simmering. 
90 
38 
51 
13i 
97 
41 
56 
15 
Boiling. 
50 
64 
16 
9,500 
55 
67 
18 
7,400 
58 
71 
19i ! 
5,400 
60 
72 
i 20 
t 
61 
74 
; 20i 
2,200 
65 
75 
21 
68 
77 
2U 
3, 600 
70 
78 
22 i 
1 1,700 
Experiment No. 12. 
Quart mixed market milk. 
Bottle immersed in water 5 inches, 4 inches out. 
Distinct cream line. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
1 
Remarks. 
Top. 
Bottom. 
°a 
°C. 
°C. 
Minutes. 
24 
18 1 
14 
26,000 
30 
18.2 ' 
2\ 
40 
19 ! 
20 
30, OCO 
50 
20 
26 
5| 
1 
60 
23.5 
30 
7j 
70 
31 
35 
9i 
80 
37 j 
41 
84 
39 
44 
12 
1 
Simmering. 
90 
45 
50 
14 
95 
15 
Boiling. 
1 
58 
59 
16 
30,000 i 
61 
60 
16i 
21,000 
65 
62 
16i 
25,000 
68 
62.5 
17 
33,000 
70 
63 
17i 
18,000 
72 
64 
17i 
12,000 
74 
65 
IS 
i 9,000 
75 
66.5 
18i 
1 9,000 
80 
72 
20i 
1 
45276°— Bull. 56—12- 
43 
