46 
Series VII. 
A. THYROID OF ALASKAN BEAR; IODINE FREE. 
Date. 
Weight 
of mouse. 
Remarks. 
1908. 
June 1 
17.06 
Feeding of cakes each containing 0.01 gm. thyroid begun. 
5 
15.45 
9 
15.00 
10 
Acetonitrile, 3.90 mgms., i. e., 0.26 mgm. per gm. mouse. Survived. 
June 1 
17. 50 
Thyroid as above. 
5 
15.28 
9 
15.68 
11 
16.32 j 
Acetonitrile, 5.06 mgms., i. e., 0.31 mgm. per gm. mouse. Survived. 
June 1 
13.50 
Thyroid as above. 
5 
14.02 
9 
13.50 
Acetonitrile, 5.40 mgms., i. e., 0.40 mgm. per gm. mouse. Died hours. 
June 1 
16. 74 
Thyroid as above. 
5 
16.95 
9 
17.02 
Acetonitrile, 9.36 mgms., i. e., 0.55 mgm. per gm. mouse. Died 4 hours. 
B. THYROID OF AOUDAD; IODINE FREE. 
1908. 
June 1 
18. 94 
Feeding of cakes each containing 0.01 gm. thyroid begun. 
5 
18.52 
9 
16.52 
10 
Acetonitrile, 3.63 mgms., i. e., 0.22 mgm. per gm. mouse. Died 2 hours. 
June 1 
24.32 
Thyroid as above. 
5 
23.39 
9 
23.46 
10 
Acetonitrile, 6.57 mgms., i. e., 0.28 mgm. per gm mouse. Died 1£ hours. 
June 1 
17. 17 
Thyroid as above. 
5 
16.86 
9 
16.66 
Acetonitrile, 8.33 mgms., i. e., 0.50 mgm. per gm. mouse. Died li hours. 
C. THYROID OF BLACK LEOPARD; 0.01 PER CENT IODINE. 
1908. 
June 1 
15. 54 
Feeding of cakes each containing 0.01 gm. thyroid begun. 
5 
14.70 
9 i 
15. 14 
Acetonitrile, 5.30 mgms., i. e., 0.35 mgm. per gm. mouse. Survived. 
June 1 
16. 72 
Thyroid as above. 
5 
15. 07 
9 1 
13. 18 
10 1 
Acetonitrile, 5.27 mgms., i. e., 0.40 mgm. per gm. mouse. Died 2f hours. 
i 
June 1 
17.44 
Thyroid as above. 
5 
16. 07 
9 
15. 87 
10 
Acetonitrile, 7.14 mgms., i. e., 0.45 mgm. per gm mouse. Died 2| hours. 
June 1 
19. 12 
Thyroid as above. 
5 
17.72 
9 
18. 33 
| Acetonitrile, 10.08 mgms., i. e., 0.55 mgm. per gm. mouse. Died If hours. 
