96 
C. THYROID OF GROUP 5 (IODOFORM); 0.3 PER CENT IODINE. 
Date. 
Weight 
of mouse. 
Remarks. 
1907. 
June 5 
12. 52 
Feeding of cakes each containing 0.0025 gm. thyroid commenced. 
8 
13. 70 
11 
13.20 
14 
12. 89 
Acetonitrile, 18.05 mgms., i. e., 1.4 mgms. per gm. mouse. Survived. 
June 5 
14.01 
Thyroid as above. 
8 
14 90 
11 
13.70 
15 
12.30 
Acetonitrile, 22.14 mgms., i. e., 1.8 mgms. per gm. mouse. Survived. 
June 5 
13.30 
Thyroid as above. 
8 
13.13 
11 
13.20 
15 
12. 18 
16 
12.10 
Acetonitrile, 30.25 mgms., i. e., 2.5 mgms. per gm. mouse. Survived. 
June 5 
11. 79 
Thyroid as above. 
8 
11. 83 
11 
11. 40 
15 
10. 18 
16 
9.23 
17 
8.71 
Acetonitrile, 24.39 mgms., i. e., 2.8 mgms. per gm. mouse. Died 2 hours. 
D. CONTROLS. 
1907. 
June 5 
12.48 
Feeding of cakes without thyroid commenced. 
8 
13. 61 
11 
13.42 
15 
12.96 
Acetonitrile, 4.28 mgms., i. e., 0.33 mgm. per gm. mouse. Survived. 
June 5 
8.23 
Cakes as above. 
8 
7.56 
11 
8. 07 
- 
14 
8.05 
Acetonitrile, 2.98 mgms., i. e., 0.37 mgm. per gm. mouse. Survived. 
June 5 
12.10 
Cakes as above. 
8 
13.16 
11 
12.97 
14 
13.00 
Acetonitrile, 5.2 mgms., i. e., 0.4 mgm. per gm. mouse. Died about 2 hours. 
June 5 
12.30 
Cakes as above. 
8 
11.83 
11 
12.57 
15 
12.66 
16 
12. 22 
Acetonitrile, 4.89 mgms., i. e., 0.4 mgm. per gm. mouse. Died 2 hours. 
Summary . — The results of the above experiments may be tabu- 
lated as follows : 
Gm. thy- 
roid fed 
daily. 
Percentage 
of iodine in 
thyroid. 
Mgm. I in 
thyroid fed 
daily. 
Fatal dose of ace- 
tonitrile in mgms. 
per gm. 
Recovered. 
Died. 
A : 
0. 0025 
0. Ill 
0. 0027 
1. 4 
1. 6 
B 
.0025 
.148 
.0037 
1. 6 
1. 9 
C 
.0025 
.300 
.0075 
2. 5 
2.8 
D. Controls 
.37 
. 40 
- 
