29 
continued from December 3. There had been an increase in weight, 
as shown below. 
Date. 
Weight of 
guinea pig. 
Remarks. 
DecembGr 14, 1905 
Grams. 
485 
570 
540 
568 
170.4 milligrams sodium sulphocyanate (0.3 
milligram per gram) subcutaneously. Died 
in 3 days, 14 hrs.; considerable necrosis 
about point of injection. 
December 21, 1905 
December 29, 1905 
January 2, 1906 
The excretion of cyanogen was as follows : 
Date. 
Cyanogen. 
First day 
Milligrams. 
24.8 
Second day 
6. 7 
Third day 
6. 4 
Total 
37.9 
Thirty-seven and nine-tenths milligrams cyanogen corresponds to 
118 milligrams sodium sulphocyanate ; hence 69.3 per cent of the 
sodium sulphocyanate appeared in the urine. 
The control (see above for early history) was as follows: 
Date. 
Weight of 
guinea pig. 
Remarks. 
December 14, 1905 
Grams. 
540 
600 
500 
602 
180.6 milligrams sodium sulphocyanate (0.3 
milligram per gram) subcutaneously. Re- 
covered, but there was considerable necrosis 
about point of injection. 
December 21, 1905 
December 29, 1905 
January 2, 1906 
The excretion of cyanogen was as follows : 
Day. 
Cyanogen. 
First day 
Milligrams. 
33.8 
8.3 
0.0 
Second day 
Third day 
Total 
42.1 
