84 
D. SHEEP THYROID; 0.176 PER CENT IODINE. 
Date. 
Weight 
of rat. 
Remarks. 
1907. 
June 25 
114 
Feeding of cakes each containing 0.002 gm. thyroid begun. 
29 
no 
July 3 
111 
5 
108 
; Morphine sulphate, 3.24 mgms., i. e., 0.03 mgm. per gm. rat. Died 20 hours. 
June 25 
158 
Thyroid as above. 
29 
150 
July 3 
150 
6 
150 
Morphine sulphate, 6.75 mgms., i. e., 0.045 mgm. per gm. rat. Died 2 hours. 
June 25 
127 
Thyroid as above. 
29 
120 
July 3 
121 
5 
120 
Morphine sulphate, 7.2 mgms., i. e., 0.06 mgm. per gm. rat. Died 5§ hours. 
E. CONTROLS. 
1907. 
June 25 j 
121 
Feeding of plain cakes begun. 
29 
109 
July 3 
109 
* 4 
111 
Morphine sulphate, 27.75 mgms., i. e., 0.25 mgm. per gm. rat. Survived. 
June 25 
100 
Cakes as above. 
29 
97 
July 3 
96 
4 
96 
Morphine sulphate, 28.8 mgms., i. e., 0.30 mgm. per gm. rat. Survived. 
June 25 
119 
Cakes as above. 
29 
120 
July 3 
119 
‘ 6 
, 119 
Morphine sulphate, 36.89 mgms., i. e., 0.31 mgm. per gm. rat. Died 5§ hours. 
June 25 
73 
Cakes as above. 
29 
71 
July 3 
72 
1 
5 
70 
Morphine sulphate, 22.4 mgms., i. e., 0.32 mgm. per gm. rat. Died 8 hours. 
June 25 
81 
Cakes as above. 
29 
78 
July 3 
74 
5 
79 
Morphine sulphate, 27.65 mgms., i. e., 0.35 mgm. per gm. rat. Died 2h hours. 
Summary . — The results of the above experiments are shown in 
the following table: 
Gm. thy- 
roid in 
each 
cake. 
Percent- 
age of 
iodine in 
thyroid. 
Mgm. I in 
thyroid 
in each 
cake. 
Loss of 
weight 
in pe r 
cent of 
original 
weight. 
Fatal dose of mor- 
phine in mgm. 
per gm. 
Recovered. 
Died. 
A 
0. 003 
.007 
.001 
.002 
0. Ill 
. 05 
.33 
.176 
0.0033 
.0035 
.0033 
.00352 
7.0 
.8 
5. 5 
5.2 
4.0 
0.04 
.10 
.03 
.03 
.31 
B 
C... 
0.09 
D 
E. Controls 
.30 
