100 
B. THYROID OF GROUP 3 (NORMAL); 0.106 PER CENT IODINE. 
Date. 
Weight. 
1908. 
April 25 
13.75 
29 
14.34 
May 2 
14. 92 
3 
14. 92 
April 25 
14. 20 
29 
14. 30 
May 2 
13.48 
4 
13.28 
April 25 
16. 32 
29 
15.28 
May 2 
15.32 
4 
14.68 
5 
April 25 
16.23 
'29 
17. 68 
May 2 
17.34 
4 
16. 28 
Remarks. 
Feeding of cakes each containing 0.0015 gm. thyroid commenced. 
Acetonitrile, 37.3 mgms., i. e., 2.5 mgms. per gm. mouse. Survived. 
Thyroid as above. 
Acetonitrile, 41.17 mgms., i. e., 3.1 mgms. per gm. mouse. Survived. 
Thyroid as above. 
Acetonitrile, 52.85 mgms., i. e., 3.6 mgms. per gm. mouse. Died 1£ hours. 
Thyroid as above. 
Acetonitrile, 61.86 mgms., i. e., 3.8 mgms. per gm. mouse. Died 50 hours. 
C. THYROID OF GROUP 5 (IODOFORM FED DOGS); 0.3 PER CENT IODINE. 
1908. 
April 25 
14. 93 
Feeding of cakes each containing 0.0005 gm. thyroid commenced. 
29 
16. 50 
May 2 
16.84 
3 
16.84 
Acetonitrile, 45.47 mgms., i. e., 2.7 mgms. per gm. mouse. Survived. 
April 25 
15. 99 
Thyroid as above. 
29 
16.64 
' 
May 2 
16. 32 
4 
16. 54 
Acetonitrile, 51.27 mgms., i. e., 3.1 mgms. per gm. mouse. Survived. 
April 25 
15. 49 
Thyroid as above. 
29 
16. 37 
May 2 
12. 96 
* 
4 
14. 25 
Acetonitrile, 52.72 mgms., i. e., 3.7 mgms. per gm. mouse. Survived. 
April 25 
15. 13 
Thyroid as above. 
29 
15.64 
May 2 
14.75 
4 
14. 72 
5 
Acetonitrile, 61.82 mgms., i. e., 4.2 mgms. per gm. mouse. Died 1§ hours. 
D. THYROID OF GROUP 5. 
1908. 
April 25... 
29... 
May 2 
3 
15. 05 Feeding of cakes each containing 0.001 gm. thyroid commenced. 
16. 08 
15. 66 
15. 66 Acetonitrile, 46.98 mgms., i. e., 3 mgms. per gm. mouse. Survived. 
April 25. 
29. 
May 2. . . 
4... 
14. 84 Thyroid as above. 
15. 44 
14. 24 
14. 15 Acetonitrile, 50.94 mgms., i. e., 3.6 mgms. per gm. mouse. Survived 
April 25. 
29. 
May 2. . . 
4... 
15. 24 Thyroid as above. 
15. 00 
14. 83 
14. 69 Acetonitrile, 60.23 mgms., i. e., 4.1 mgms. per gm. mouse. Survived. 
April 25. 
29. 
May 2. 
4. 
5. 
15.54 
16.04 
16. 16 
15.80 
Thyroid as above. 
Acetonitrile, 74.26 mgms., i. e., 4.7 mgms. per gm. mouse. Died 4J hours. 
