THE ACTION OP VENOMS UPON THE PULSE-RATE. 



65 



Normal 



Normal 



Time: 



Pulsations 



min. sec. 



per minute. 



20 20 



240 



21 20 



255 



23 20 



300 



25 20 



210 



28 20 



255 



33 20 



255 



38 20 



255 



44 20 



255 



44 40 



225 



45 10 





it No. 24. 





Time: 



Pulsations 



min. sec. 



per minute. 





300 



10 



300 



20 



310 



30 



310 



40 



310 



1 00 



310 



1 50 



310 



4 20 



310 



1 00 



310 



1 05 





1 10 



320 



T 20 



300 



1 40 



300 



8 00 



310 



9 00 



315 



11 30 



300 



11 40 



295 



12 00 



290 



12 30 



290 



13 00 



290 



13 30 



290 



19 00 



285 ■ 



19 20 



270 



19 40 



210 



20 20 



285 



21 50 



285 



22 50 



285 



it No. 25. 





Time: 



Pulsations 



min. sec. 



per minute. 





330 



10 



330 



30 



330 



1 00 



330 



3 30 



340 



6 30 



330 



10 30 



. 320 



14 30 



295 



16 30 



275 



May, 1886. 





Injected a similar dose. 



Dead. 



REMARKS. 



Pnenmogastric nerves cut. Injected intravenously 0.003 

 gram dried venom of the Ancislrodon contortrix dissolved 

 in 1 c. c. distilled water. 



Injected a similar close. 

 Struggles. 



Injected a similar dose. 



REMARKS. 



Pneumogastric nerves cut. Injected intravenously 0.003 

 gram dried Cobra venom dissolved in 1 c. c. distilled water 

 with a few crystals of sodic chloride and filtered. 



Clot formed in canula. 



