622 
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. 
Remarks. 
Top. 
Bottom. 
° C. 
° C. 
° C. 
Minutes. 
24 
18 
14 
26.000 
30 
18.2 
2i 
40 
19 
20 
3§ 
30.000 
50 
20 
26 
5J 
60 
23.5 
30 
71 
70 
31 ’ 
35 
94 
80 
37 
41 
Hi 
84 
39 
44 
12 
Simmering. 
90 
45 
50 
14 
95 
15 
| Boiling. 
58 
59 
16 
30,000 
61 
60 
16J 
21,000 
65 
62 
164 
25,000 
68 
62.5 
17 
33,000 
70 
63 
• 18,000 
72 
64_ 
17* 
12,000 
• 74 
65 
18 
9,000 
75 
66.5 
184 
9,000 
80 
72 
201 
Experiment No. 13. 
Quart mixed market milk. 
Bottle immersed in water 4 inches, 5 inches out. 
Cream line very distinct .from long standing. 
The bottom milk hotter than the top, probably on account of heavy viscid 
cream on top th^t did not circulate. 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
Remarks. 
Top. 
Bottom. 
°C. 
0 C. 
c C- Minutes. 
20 
20 
12 j _ . 
“4,000 
Control. 
30 
20 
14 
3 
40 
20 . 5 
16 
54 
50 
21 
20 
63 
60 
21.5 
24 
. 8 * 
70 
22 
28 
104 
80 
23 
36 
12| 
86 
26 
41 
13* 
Simmering. 
90 
28.5 
43 
13J 
95 
35 
47 
*5i 
Boiling. 
100 
44 
55 
17 
(*) 
100 
49 
60 
181 
o4. 000 
100 
50 
61 
19* 
100 
54 
65 
20 
( 6 ) 
100 
60 
70 
224 
( b ) 
100 
63 
72 
23 
340 
100 
65 
74 
24 
150 
100 
70 
79 
26i 
8 
100 
73 
82 
28 
100 
75 
83 
30 
13 
a About. 
b Lost. 
