617 
Experiment No. 2. 
Pint mixed market milk. 
Bottle immersed in water (1 inches, 1 inch out. 
r~ 
Water 
temper- 
ature. 
Milk temperature. 
Time. 
Colonies 
per loop 
in agar. 
.Remarks. 
Top. Bottom. 
°c. 
°C. °C. 
Minutes. 
/ 
28 
14 
9.000 
60 
32 
5 
70 
40 
80 
48 
9 
85 
50 
10 
8,000 
90 
55 
11 
4,000 
94 
60 ....- 
12 
750 
98 
65 
12! 
600 
100 
70 
13 
80 
M 
Experiment No. 3. 
Pint mixed market milk. 
Bottle immersed in water 6 inches, 1 inch out. 
Distinct cream line from standing twenty-four hours. 
t : — 
Water 
temper- 
ature. 
Milk tem 
! Top. 
perature. 
Bottom. 
Time. 
Colonies 
per loop 
in agar. 
Remarks. 
°C. 
°c. 
°c. 
Minutes. 
23 
20 
13 
4,000 
30 
21 
21 
2J 

40 
23 
24 5 
3! 
6,000 
50 
28 
30 
6i i 
60 
35 
36.5 
8i 
70 
44.5 
44 5 
9i 
80 
53 
53 
13 
81.5 
55 
54. 5 
13 
9,000 
85 
60. 
58 
13§ 
6,000 
Simmer ing. 
88 
61. 5 
59 
14 
Scum. 
89 
63. 5 
60.5 
14| 
7,500 
90 
65 
62 
14f 
92 
67 
64 
15! 
600 
95 
70 
68 
16 
1,500 
Boiling. 
96 
75 
73 
18 
900 
76 
19 
(°) 
Scum. 
a Fewer, but numerous. 
