674 
Experiment Xo. 13. 
Quart mixed market milk. 
Bottle immersed in water 4 inclies, 5 mches out. 
Cream line very distinct from long standing. 
The bottom milk hotter than the top, probably on account of heavy viscid 
cream on top that did not circulate. 
Water 
temper- 
ature. 
Milk temperature. ' 
1 
Time. 
Colonies 
per loop 
in agar. 
j 
Remarks. ' 
1 
Top. 
Bottom. 
°C. 
°C. 
°C. 
2Iinutes. 
; 
20 
20 
12 
O4.000 ' 
Control. 
30 
20 
14 
S 
40 
20.5 
16 
1 
50 
21 
20 
6J 
1 
60 
21.5 
24 
70 
22 
28 
lOf 
80 
23 
36 
12i 
86 
26 
41 
13i 
Simmering, 
90 
28.5 
43 
13i 
95 
35 
47 
15i 
Boiling, ! 
100 
44 
55 
17 
(*») 
100 
49 
60 
18i 
a 4, 000 
100 
50 
61 
19i 
100 
54 
65 
20 
100 
60 
70 
22y 
(*•) 
100 
63 
72 
23 
340 
100 
65 
74 
24 
1.50 
100 
70 
79 
26i 
8 
100 
73 
82 
28 
100 
75 
83 
30 
13 
a About. b Lost. 
Experiment Xo. 14. 
Quart mixed market milk. 
Bottle immersed in water 4 inches. 5 inches out. 
Xo cream line. 
Water 
temper- 
ature. 
Milk temperature. ' 
1 1 
Colonies 
per loop 
in agar. 
1 
Remarks. 
1 
Top. 
1 illiHr. 
Bottom. 
°C. 
°C. 
o C. Minutes. 
22 
13 
5,760 
1 
30 1 
15 
' 2 
40 ' 
18 
4 
50 
22 
5 
60 
27 
8 
70 
32 
80 ; 
39 

10 
90 
47 
12 
1 
95 
.50 
13 
14 
Boiling. 
100 
-55 
14 
8,000 
100 
60 ' 
15 
14,000 ; 
100 1 
65 
16 
4,000 
At 66°, scum. 
100 
70 
IS 
389 1 
100 
i 
19 
i 
Scum. 
