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. 



Normal . . . 250 Pneumogastric nerves and cord cut. Injected intravenously 



0.0011 gram water-venom-globulin from the dried venom 

 of the Grolalus adamanteus. 



Time: 



Pulsations 



min. 



sec. 



per minute. 

 250 





10 



250 





30 



215 



1 



00 



240 



1 



10 



240 



2 



10 



245 



3 



10 



245 



5 



10 



245 



7 



10 



245 



9 



10 



245 



11 



10 



250 



15 



10 



250 



17 



40 



245 



19 



00 



240 



21 



00 



240 



23 



00 



240 



25 



00 



240 



REMARKS. 



27 00 240 Killed. 



Experiment No. 52. 



Normal . . . 255 Pneumogastric nerves and cord cut. Injected intravenously 



0.0048 gram copper-venom-cjlobulin from the dried venom 



Time: 



Pulsations 





min. 



sec. 



per minute. 









255 



Pneumogastric ) 





10 



255 



0.0048 gram 





20 



240 



of the Crotah 





40 



250 





1 



00 



250 





3 



30 



240 





5 



30 



225 





9 



30 



225 





11 



30 



210 





13 



30 



210 





16 



30 



210 





17 



00 



204 



Injected 0.0048 



17 



30 



210 





18 



00 



210 





20 



00 



210 





24 



00 



195 





26 



00 



180 





28 



00 



180 





30 



00 



180 





32 



00 



180 





34 



00 



187 



Killed. 



