88 
second series there was a loss of weight, while in the first there was 
only a retardation of growth: 
Series I. 
A. SHEEP THYROID; 0.084 PER CENT IODINE. 
Date. 
Weight 
of pig. 
Remarks. 
1907. 
May 1 
265 
Feeding of thyroid, 0.120 gm. daily, begun. 
4 
265 
8 
260 
10 
260 
13 
275 
Morphine sulphate, 55 mgms., i. e., 0.2 mgm. per gm. pig. Survived. 
May 1 
330 
Thyroid as above. 
4 
330 
8 
320 
11 
315 
15 
267 
Morphine sulphate, 66.75 mgms., i. e., 0.25 mgm. per gm. pig. Died 16 hours. 
May 1 
285 
Thyroid as above. 
4 
280 
8 
280 
11 
280 
14 
259 
Morphine sulphate, 77.7 mgms., i. e., 0.3 mgm. per gm. pig. Died 8J hours. 
May 1 
215 
Thyroid as above. 
4 
200 
8 
215 
11 
215 
14 
208 
Morphine sulphate, 83.2 mgms., i. e., 0.4 mgm. per gm. pig. Died 3 hours. 
B. CONTROLS. 
1907. 
May 1 
320 
4 
335 
9 
360 
13 
385 
14 
348 
Morphine sulphate, 174 mgms., i. e., 0.5 mgm. per gm. pig. Survived. 
May 1 
200 
4 
210 
9 
220 
13 
275 
15 
250 
Morphine sulphate, 150 mgms., i. e., 0.6 mgm. per gm. pig. Died 3 hours. 
May 1 
225 
4 
240 
9 
275 
I3 " 
305 
Morphine sulphate, 213.5 mgms., i. e., 0.7 mgm. per gm. pig. Died 3J hours. 
