Frost-—Bacteriological Control of Public Milk Supplies . 1351 
Table YIIL BACTERIUM WELC HII IN VARIOUS GRADES OF 
MILK. 
Raw. 
Pasteurized. 
Inspected. 
Certified. 
© 
© 
© 
2 
Bact. 
© 
u 
Bact 
o 
M 
Bact. 
g 
Bact. 
Welchii. 
3 
O 
Welchii. 
3 
O 
Welchii. 
3 
O 
Welchii, 
m 
m 
m 
CO 
i\ 
0 
2 
0 
Ac 
0 
B. 
0 
a\ 
A 
0 
Ao 
0 
A 5 
1 
bI 
0 
3 
A 2 
A$ 
0 
A 
1 
b| 
0 
0 
1 
Ac 
0 
b| 
0 
a} 
10 
Ao 
0 
A§ 
8 ? 
Br 
0 
Ao 
10 
A? 
2 
b| 
B 1 
0 
2.5 
a| 
1 
0 
2 
B 1 
b} 
r| 
t 
1.8 
0 
If 
? 
1 
0 
0 
Bo 
0 
B« 
0 
b} 
5 
0 
Bo 
0 
b! 
0 
b i 
B i 
B i 
7 
6 
Bo 
0 
B« 
0 
0 
4 
Bo 
0 
b! 
0 
10 
Bo 
6 
Bo 
B e 
10 
U 
2 
0 
0 
3.1 
3 
2 
^3 
Hi 
H{ 
H 1 
ft 
a 
10 
Co 
4 
" L 7 
u 
0 
§i 
8 
c« 
a 
0 
3 
8 
B, 
3 
& 
c{ 
cj 
- C 1 
1 
3 
10 
C2 
Co 
cl 
2 
8 
8 
B 4 
I 
4 
0 
10 
0 
Ho 
1 
10 
Co 
6 
B 4 
0 
Ho 
0 
10 
C 2 
6 
B 4 
— 
H 2 
0 
7 
6.2 
3.4 
4 
E 
0 
A 3 
0 
Co 
0 
I 
0 
E 
0 
A« 
Ag 
0 
0 
1 
Co 
c i 
0 
0 
I 
I 
0 
0 
0 
F 1 
0 
A 3 
2 
0 
0 
0 
0.6 
D 
TV 
3 
2 
1 
f-1 
0 
6 
0 
0 
if 
0 
o 
U 
D 
T 1 
0 
0 
h 
0 
i* 
A 4 
1 
2 
0 
2 
0 
0 
G 
0 
Jo 
0 
a! 
0 
G 
0 
Jo 
0 
F« 
0 
a} 
3 
G 
0 
j{ 
0 
f! 
7 
Al 
G 
0 
L 
f 3 
1 
A 4 
1 
G 
1 
0 
¥% 
1 
G 
0 
0 
0.7 
G 
0 
2.2 
Mo 
ft 11 
K 
i 
Mo 
Mo 
M 2 
0 
V • Irl 
K 
i 
2 
K 
0 
2 
K 
2 
1.2 
1 
L 
7 
L 
2 
L 
10 
■ 6.3 
