63 
A 1 . SAME PREPARATION AS ABOVE. 
Date. 
Weight of 
mouse. 
Remarks. 
1908. 
April 8 
14.30 
Feeding of cakes each containing 0.002 gm. thyroid commenced. 
11 
14.96 
14 
14. 67 
16 
14. 20 
Acetonitrile, 53.96 mgms., i. e., 3.8 mgms. per gm. mouse. Survived. 
April 8 
12. 31 
Thyroid as above. 
11 
12. 44 
14 
12.43 
16 
12.42 
17 
12.39 
Acetonitrile, 50.8 mgms., i. e., 4.1 mgms. per gm. mouse. Survived. 
April 8 
13.21 
Thyroid as above. 
11 
13. 12 
14 
13.50 
17 
13.40 
Acetonitrile, 61.64 mgms., i. e., 4.6 mgms. per gm. mouse. Died three-fourths 
hour. 
B. SHEEP THYROID; 0.13 PER CENT IODINE. 
1908. 
April 8 
18. 14 
Feeding of cakes each containing 0.001 gm. thyroid commenced. 
11 
19.19 
14 
17.07 
16 
17.00 
Acetonitrile, 37.4 mgms.. i. e., 2.2 mgms. per gm. mouse. Survived. 
April 8 
17. 64 
Thyroid as above. 
11 
19.36 
14 
20. 48 
16 
20. 43 
17 
20.50 
Acetonitrile, 49.2 mgms., i. e., 2.4 mgms. per gm. mouse. Survived. 
April 8 
16.08 
Thyroid as above. 
11 
17. 31 
14 
17. 15 
16 
17.86 
Acetonitrile, 48.22 mgms., i. e., 2.7 mgms. per gm. mouse. Died 4 hours. 
April 8 
12. 34 
Thyroid as above. 
11 
13. 17 
14 
12.86 
17 
12.82 
Acetonitrile, 35.9 mgms., i. e., 2.8 mgms. per gm. mouse. Survived. 
C. SHEEP THYROID; 0.13 PER CENT IODINE. 
1908. 
April 8 ! 
15.76 
11 
15.00 
14 
14. 97 
16 
15.40 
April 8 
17.80 
11 
18. 24 
14 
18.09 
16 
18. 16 
17 
18. 23 
April 8 
19. 50 
11 
19.26 
14 
19.02 
17 
17.28 
18 
17.07 
April 8 
13.20 
11.. 
13.18 
14 
12. 98 
17 
16.86 
Feeding of cakes each containing 0.001 gm. thyroid commenced. 
Acetonitrile, 33.88 mgms., i. e., 2.2 mgms. per gm. mouse. Survived. 
Thyroid as above. 
Acetonitrile, 47.4 mgms., i. e., 2.6 mgms. per gm. mouse. Survived. 
Thyroid as above. 
Acetonitrile, 49.5 mgms., i. e., 2.9 mgms. per gm. mouse. Survived. 
Thyroid as above. 
Acetonitrile, 52.27 mgms., i. e., 3.1 mgms. per gm. mouse. Died lg hours. 
