THE ACTION OP VENOMS UPON THE PULSE-RATE. 



59 



Experiment No. 5. 



Time : 



Normal 



mm. sec. 



10 

 20 

 30 

 40 

 00 

 20 

 40 

 00 

 00 

 00 



Experiment No. 6. 



Normal 



Time: 

 min. see. 



30 

 40 

 00 

 30 

 30 

 30 

 30 

 00 

 00 

 30 



Experiment No. 



Time: 



Normal 



mm. sec. 



5 



20 



30 



40 



1 00 



Experiment No. 8. 



Time: 



Normal 



mm. sec. 



10 

 30 

 44 

 55 

 60 

 80 

 1 40 



Pulsations 



per minute. 



225 



270 

 120 

 180 

 285 

 285 

 285 

 285 

 285 



Pulsations 

 per minute. 



323 

 315 

 214 

 225 

 255 

 255 

 255 

 240 

 240 

 225 

 195 

 195 



Pulsations 



per minute. 



260 



260 



98 



84 



120 



Pulsations 



per minute. 



300 



195 



60 



70 



130 



220 



260 



Injected intravenously 0.015 gram dried venom of the Gro- 

 talus adamanleus dissolved in 1 c. c. distilled water. 



[■ Struggles. 



Too feeble to count. 

 Dead. 



Injected intravenously 0.015 gram dried venom of the Gro- 

 talus adamanleus dissolved in 1 c. c. distilled water. 



Dead. 



REMARKS. 



Injected intravenously 0.02 gram dried venom of the C?'otalus 



adamanleus dissolved in 1 c. c. distilled water. 

 Blood pressure increased, probably due to asphyxia. 



Dead. 



REMARKS. 



Injected into the right carotid artery 0.015 gram dried venom 

 of the Crotalus adamanleus dissolved in 1 c. c. distilled 

 water. 



Dead. 



