THE ACTION OF VENOMS UPON RESPIRATION. 



121 



Experiment No. 5. 



Normal 



Time : 

 min. sec. 



10 

 20 



30 



40 



50 



1 10 



Respirations 

 per minute. 



100 



210 



150 



140 



120 



Length of 



curve 



m. m. 



9 



8 



21 

 20 

 23 



Experiment No. 6. 



Time: 

 min. sec 



Normal 



10 

 20 



30 

 40 

 50 

 00 

 10 

 20 

 20 

 20 

 20 

 30 



Respirations 

 per minute. 



135 



420 

 270 



65 



60 



120 



120 



60 



90 



60 



180 



210 



REMARKS. 



Injected intravenously 0.004 gram dried venom of the 

 Ancistrodon piscivorus dissolved in 5 minims dis- 

 tilled water. 



Convulsions. 

 Dead. 



Length of 



curve 



m. m. 



6 



18 



10 



12 



REMARKS. 



Injected intravenously 0.004 gram dried venom of the 



Ancistrodon piscivorus dissolved in 1 c. c. distilled 



water. 

 Struggles. Respiration at once began to increase 



rapidly, and reached a maximum rapidity during the 



occurrence of struggles. 

 Tetanic movements. 



Killed. 



Experiment No 



Normal 







Length of 



Time: 

 nin. sec. 



Respirations 



per minute. 



144 



curve 



m. m. 



6 



10 



300 



8 



20 



240 



12 



30 



150 



11 



5 00 



60 



10 



7 00 



80 



7 



12 00 



54 



7 



18 00 



to 



7 



18 05 







18 30 



210 



9 



18 40 



160 



10 



18 50 



80 



5 



23 50 



65 



7 



Injected intravenously 0.004 gram dried venom of the 

 Ancistrodon piscivorus dissolved in 1 c. c. distilled 

 water. 



Injected as above 0.008 gram venom. 



Killed by pithing. 



16 Judo, 1886. 



