


- 
om 905. | Cobra-venom on the Proteid Metabolism. 177 
In Experiment I there was a marked rise and in Experiment IV a slight 
rise, while the changes in the other two were in the same direction. 
Percentages of Nitrogen in Purin Bodies to Total Nitrogen. 
: Experiments. 
4 piven id Vesebacs ih pels cas ale 
7 I. II. IT. IV. 
y Averages before injection............ 0°85 1-12 al 1:35 
<5 after first injection ...... 1:18 1:64 — — 
5 » second injection ... 1°16 — 1°49 — 
After three injections...... 1°56 
These changes show a slight rise in each experiment. 
Percentages of Nitrogen in Other Compounds to Total Nitrogen. 
Experiments. 
ee 
lig II. III. LV. 
Averages before injection............ 13°91 8-11 8-11 58 
& after first injection ...... 10°58 11:18 — o 
4 » second injection ... 8°89 — 6°35 as 
; After three injections...... 11-78 
In two experiments there was a rise and in two a fall. 
Percentages of P,O,; to Total Nitrogen. 
| Experiments. 
H (Se nee a ae. 
7 I. II. ITI. IV. 
i Averages before injection ............ 23 31 31 38 
; Re after first injection......... 29 31 — — 
Q 7 » second injection ... 28 ae, 23 = 
After three injections...... 42 



In two experiments a rise, in one no change, and in one a fall. The 
variations in the P,O, do not correspond to the changes in the purin bodies. 
Conclusions. 
1. Practically no change in rate of proteid metabolism was induced by the 
administration, in spite of well marked local reaction. 

