618 
Experiment No. 4. 
Pint mixed market milk. 
Bottle immersed in water 4^ inches. 24 inches out. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
Remarks. 
Top. 
Bottom. 
°C. 
Q C. 
°c- 
Minutes. 
22 
21 
15 
4,300 
30 
22 
17 
If 
40 
22.5 
20 
4§ 
50 
24 
23 
4 
60 
27 
25.5 
5§ 
4,500 
70 
31 
32 
6 i 
80 
35 
40.5 
9 
85 
36 
. 45 
10 
Simmering. 
93 
44 
54 
Hf 
. 6. 000 
96 
47 
58 
m 
Boiling. 
50 
59 
.13 
| 3, 000 
55 
61 
13j 
3, 200 
58 
62 
134 
3.500 
60 
64 
13§ 
65 
65 
13f 
4.000 
70 
67 j 
144 
2,000 
1 3 
68.5 
15 
3,100 
Experiment No. 5. 
Pint mixed market milk. 
Bottle immersed in water 4 inches, 3 inches out 
Recently mixed, no distinct cream line. - 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
Remarks. 
Top. 
Bottom. 
°C. 
°c. 
°C. 
Minutes. 
30 ! 
23 
16 
480 
40 
22 
20 
li 
‘ 
50 
24 
23 
3§ 
60 
25 
27 
5 
70 
27 
33 
64 
80 
29 
37 | 
8 
812 
86 , 
32 
45 
9 
Simmering. 
90 
33 
48 
94 
91 
36 
54 
104 
98 
40 
57 
lOf 
Boiling. 
50 
65 
124 
760 
55 
70 1 
134 1 
150 
58 
74 
144 
58 
60 
75 
15 
35 
63 
80 
164 
0 
65 
81 
17 
1 
• 
70 . 
85 
194 
1 
