37 
Series III, 
A. CHILDREN’S THYROID; IODINE FREE. 
Date. 
Weight 
of 
mouse. 
Remarks. 
1907. 
April 5 
23. 33 
Feeding of cakes each containing 0. 02 gm. thyroid begun. 
8 
22. 66 
11 
21.42 
15 
19. 92 
Acetonitrile, 9.96 mgms., i. e., 0.5 mgm. per gm. mouse. Survived. 
April 5 
23. 35 
Thyroids as above. 
8 
23. 31 
11 
23. 95 
15 
24 22 
16 
23. 82 
Acetonitrile, 14.29 mgms., i. e., 0. 6 mgm. per gm. mouse. Died 2 hours. 
April 5 
26. 50 
Thyroid as above. 
8 
26.46 
11 
25. 35 
14 
24.32 
Acetonitrile, 17.02 mgms., i. e., 0. 7 mgm. per gm. mouse. Died about 9 hours. 
B. GUINEA PIG THYROID; 0.05 PER CENT IODINE. 
1907. 
April 5 
8 
11 
14.65 
16. 02 
Feeding of cakes each containing 0. 0035 gm. thyroid commenced. 
15 
15.62 
Acetonitrile, 9.37 mgms., i. e., 0. 6 mgm. per gm. mouse. Survived. 
April 5 
Thyroid as above. 
8 
18.72 
11 
18.68 
15 
17.50 
16 
17.82 
Acetonitrile, 14.26 mgms., i. e... 0. 8 mgm. per gm. mouse. Survived. 
April 5 
Thyroid as above. 
8 
17.85 
11 
18. 27 
15 
18. 60 
. Acetonitrile, 18. 60 mgms., i. e., 1 mgm. per gm. mouse. Died 3J hours. 
C. CONTROLS. 
1907. 
April 5 
23. 01 
Cakes without thyroid. 
8 
21. 85 
11 
22.42 
15 
22.52 
| Acetonitrile, 6.76 mgms., i. e., 0. 3 mgm. per gm. mouse. Survived. 
April 5 
18. 06 
Cakes as above. 
8 
15. 32 
11 
15.32 
15 
14.90 
16 
15. 45 
Acetonitrile, 5.41 mgms., i. e., 0. 35 mgm. per gm. mouse. Died 2| hours. 
April 5 
18. 01 
Cakes as above. 
8 
15. 36 
11 
16.00 
14 
15.40 
Acetonitrile, 6.16 mgms., i. e., 0. 4 mgm. per gm. mouse. Died about Ilf hours. 
