669 
Experiment No. 3. 
Pint mixed market milk. 
Bottle immersed in water 6 inches, 1 inch out. 
Distinct cream line from standing twenty-four hours. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
1 
Remarks. 
Top. 
Bottom. 
°C. 
°C. 
°C. 
Minutes. 
23 
20 
13 
4,000 
30 
21 
21 
21 
40 
23 
24.5 
31 
6,000 
50 
28 
30 
61 
60 
35 
36.5 
81 
70 
44.5 
44.5 
91 
80 
53 
58 
13 
81.6 
55 
54.5 
13 
9,000 
85 
60 
58 
13| 
6,000 
Simmering. 
88 
61.5 
59 
14 
Scum. 
89 
63.5 
60.5 
141 
7,500 
90 
65 
62 
141 
92 
67 
64 
151 
600 
95 
70 
68 
16 
1,500 
Bohing. 
96 
75 
73 
18 
900 
77 
76 
19- 
(«) 
Scum. 
a Fewer, but numerous. 
Experiment No. 4. 
Pint mixed market milk. 
Bottle immersed in water 4^ inches, 2* inches out. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
Remarks. 
Top. 
Bottom. 
°C. 
°a 
0(7. 
Minutes. 
22 
21 
15 
4,300 
30 
22 
17 
11 
40 
22.6 
20 
41 
60 
24 
23 
4 
60 
27 
25.5 
61 
4,500 
70 
31 
32 
61 
1 
80 
35 
40.5 
9 
1 
85 
36 
45 
10 
Simmering. 
93 
44 
54 
111 
6,000 
96 
47 
58 
121 
Boiling. ' 
50 
59 
13 
3,000 
55 
61 
131 
3,200 
58 
62 
131 
3,500 
60 
64 
131 
65 
65 
131 
4,000 
70 
67 
141 
2,000 
73 
68.5 
15 
3,100 
