THE ACTION OF VENOMS UPON THE PULSE-RATE. 



77 



there was a fall followed by a rise to the normal, and succeeded by a slight fall ; 

 in a second the pulse-rate always remained below normal, while in the third there 

 was an almost inappreciable rise, this followed by a fall, and by an increase due to 

 a further injection of the poison. The last showed a slight fall, then a return to 

 the normal. 



Experiment No. 51. 



REMARKS. 



Pneumogastric nerves and cord cut. Injected intravenously 

 0.0011 gram watcr-venom-ylobulin from the dried venom 

 of the Crotalus adamanteus. 



Killed. 



REMARKS. 



Pneumogastric nerves and cord cut. Injected intravenously 

 0.0048 gram copper -venom- globulin from the dried venom 

 of the Crotalus adamanteus. 



Injected 0.0048 gram. 



Killed. 



