104 
B. THYROID OF GROUP 5 (IODOFORM); 0.3 PER CENT IODINE. 
Date. 
1908. 
May 15 
18.... 
20 .... 
23.... 
May 15. 
18. 
20 . 
23. 
24. 
May 15. 
18. 
20. 
23. 
Weight 
of rat. 
Remarks. 
44 
42 
43 i 
41 
Feeding of cakes, each containing 0.0005 gm. thyroid, commenced. 
Acetonitrile, 34 mgms., i. e., 1 mgm. per gm. rat. Survived. 
Thyroid as above. 
41 Acetonitrile, 53.3 mgms., i. e., 1.3 mgms. per gm. rat. Survived. 
38 | Thyroid as above. 
37 . 
36 
35 | Acetonitrile, 52.5 mgms., i. e., 1.5 mgms. per gm. rat. Died 1| horns. 
C. THYROID OF GROUP 2 (NORMAL); 0.111 PER CENT IODINE. 
1908. 
May 15 
41 
18 
39 
20 
38 
23 
38 
May 15 
43 
18 
41 
20 
41 
23 
38 
24 
May 15 
36 
18 
35 
20 
34 
23 
33 
24 
May 15 
64 
18 
57 
20 
59 
23.. 
58 
Feeding of cakes, each containing 0.0015 gm. thyroid, commenced. 
Acetonitrile, 45.6 mgms., i. e., 1.2 mgms. per gm. rat. Survived. 
Thyroid as above. 
Acetonitrile, 49.4 mgms., i. e., 1.3 mgms. per gm. rat. Died 1 hour. 
Thyroid as above. 
Acetonitrile, 46.2 mgms., i. e., 1.4 mgms. per gm. rat. Died 4 to 7 hours. 
Thyroid as above. 
Acetonitrile, 92.8 mgms., i. e., 1.6 mgms. per gm. rat. Died 3 hours. 
D. THYROID OF GROUP 2 (NORMAL); 0.111 PER CENT IODINE. 
1908. 
May- 15 ! 
38 
18 
37 
20 
36 
23 
35 
May 15 
45 
18 
43 
20 
43 
. 23 
41 
24 
41 
May 15 
37 
18 
35 
20 
37 
23 
34 
24 
May 15 
31 
18 
31 
20 
31 
23 
29 
Feeding of cakes, each containing 0.003 gm, thyroid, commenced. 
Acetonitrile, 28 mgms., i. e., 0.8 mgm. per gm. rat. Survived. 
Thyroid as above. 
Acetonitrile 36.9 mgms., i. e., 0.9 mgm. per gm. rat. Survived. 
Thyroid as above. 
Acetonitrile, 34 mgms., i. e., 1 mgm. per gm. rat. Died 1 hour. 
Thyroid as above. 
Acetonitrile, 31.9 mgms., i. e., 1.1 mgms. per gm. rat. Died 2 \ hours. 
