76 
C. HOG THYROID; 0.33 PER CENT IODINE. 
Date. 
Weight 
of rat. 
Remarks. 
1907. 
July 6 
142 
Feeding of cakes each containing 0.001 gin. thyroid commenced. 
8 
144 
11 
113 
15 
106 
17 
103 
Acetonitrile, 61.8 mgms., i. e., 0.6 mgm. per gm. rat. Survived. 
July 6 
88 
Thyroid as above. 
8 
84 
11 
81 
15 
79 
17 
80 
Acetonitrile, 64 mgms., i. e., 0*.8 mgm. per gm. rat. Died 3 hours. 
July 6 
85 
Thyroid as above. 
8 
82 
11 
79 
15 
78 
16 
77 
17 
78 
Acetonitrile, 85.8 mgms., i. e., 1.1 mgms. per gm. rat. Died 3 hours. 
July 6 
88 
Thyroid as above. 
8 
87 
11 
85 
15 
83 
16 
84 
Acetonitrile, 109.2 mgms., i. e., 1.3>mgms. per gm. rat. Died about 8 hours 
D. CONTROLS. 
1907. 
1 
July 6 ! 
68 
Feeding of cakes without thyroid commenced. 
8 : 
70 
n 
70 
15 
67 
16 
67 
Acetonitrile, 174 mgms., i. e., 2.6 mgms. per gm. rat. Survived. 
July 6 
103 
Cakes as above 
8 
100 
11 
100 
15 
97 
16 
96 
Acetonitrile, 268.8 mgms., i. e., 2.8 mgms. per gm. rat. Survived. 
July 6 
109 
Cakes as above. 
8 
112 
11 
98 
15 
85 
17 
85 
Acetonitrile, 246.5 mgms., i. e., 2.9 mgms. per gm. rat. Survived. 
July 6 
88 
Cakes as above. 
8 
87 
11 
86 
15 
85 
Acetonitrile, 255 mgms., i. e., 3 mgms. per gm. rat. Died 5 hours. 
July 6 
107 
Cakes as above. 
8 
91 
11 
92 
15 
92 
16 
90 
17 
90 
18 
85 
Acetonitrile, 275.9 mgms., i. e., 3. 1 mgms. per gm. rat. Survived. 
SUMMARY. 
Gm. thy- 
roid in 
Percentage 
of iodine 
Mgm. I in 
thyroid of 
Fatal dose of ace- 
tonitrile in mgms. 
per gm. 
each cake. 
in thyroid. 
each cake. 
Recovered. 
Died. 
A 
CC 0035 
0. 104 
0. 0035 
0. 8 
1. 0 
B 
. 002 
. 176 
.0035 
1. 0 
1. 2 
C 
.001 
.33 
.0033 
. 6 
. 8 
D. Controls 1 
3.1 
3.0 
