672 
Experiment No. 9. 
Quart mixed market milk. 
Bottle immersed in water to lip. 
Distinct cream line from standing at least five hours. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in'agar. 
Remarks. 
Top. 
Bottom. 
°C. 
°C. 
°C. 
Minutes. 
24 
25 
22 
450, 000 
30 
25 
24 
21 
40 
26 
25 
5 
50 
28 
30 
81 
60 
35 
32 
12 
550, 000 
70 
45 
43.5 
15 
550,000 
80 
52 
52.5 
181 
82 
55 
57 
191 
550,000 
84 
58 
57.5 
21 
650,000 
85 
87 
60 
57.5 
211 
550,000 
Simmered. 
88 
63 
62 
221 
425,000 
90 
65 
64 
23 
175, 000 
97 
69.5 
71.2 
25 
13, 000 
Boiling. 
100 
75 
79.5 
to 
00 
33 
Experiment No. 10. 
Quart mixed market milk. 
Bottle immersed in water to lip. 
Recently mixed, no distinct cream line. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
Remarks. 
Top. 
Bottom. 
°C. 
°C. 
°C. 
Minutes. 
27 
24 
20 
27 
30 
24.5 
20 
1 
40 
29.5 
21 
31 
48 
35 
5} 
296 
50 
36 
27 
6 
60 
44 
32 
81 
65 
45 
33 
91 
208 
69 
50 
37 
11 
1,400 
70 
51.5 
37.5 
HI 
74 
55 
39 
121 
874 
76 
58 
41 
121 
3,180 
78 
60 
43 
131 
1,930 
80 
62 
45 
14 
81 
63 
46 
141 
1,300 
Simmering. 
83 
65 
47.5 
15 
370 
88 
70 
53 
16 
115 
90 
72 
56 
161 
95 
75 
61 
- 171 
59 
100 
80 
65.5 
20 
Boiling. 
