THE ACTION OF VENOMS UPON RESPIRATION. 



123 



Experiment No. 11 



Normal 



Normal 









Length of 



Time: 



Respirations 



curve 



min. sec. 



per 



minute. 



m. m. 







42 



7 



30 





20 



18 



1 00 





28 



10 



1 30 





6 



22 



2 00 





6 



19 



2 30 





3 



25 



3 00 





12 



18 



3 30 





6 



21 



4 30 





6 



21 



5 30 





6 



15 



6 30 





8 



12 



Iment No. 



12. 





Length of 



Time: 



Respirations 



curve 



min. sec. 



per 



minute. 



m. m. 







103 



15 



10 





94 



15 



20 





84 



30 



30 





102 



25 



40 





77 



25 



50 





60 



28 



1 00 





GO 



25 



1 10 





45 



30 



1 15 



Experiment No. 13. 



Normal 



Time: 



Respirations 



min. sec. 



per 



minute. 



102 



30 





57 



1 00 





78 



2 00 





57 



4 00 





66 



10 







REMARKS. 



Injected intravenously 0.002 gram dried venom of the 

 Crotalus adamanteus dissolved in 1 c. c. distilled 

 water. 



Slight struggles preceding this observation interfered 

 with the marker. 



REMARKS. 



Injected intravenously 0.004 gram dried venom of the 

 Ancistrodon piscivorus dissolved in 1 c. c. distilled 

 water. 



Struggles. 



Dead. Respiration ceased ; heart still beats. 

 dies in tetanus. 



Animal 



Injected intravenously 0.003 gram dried Cobra venom dissolved 

 in 1 c. c. distilled water. 



Experiment No. 14. 



Normal 









Length of 



Time: 



Respirations 



curve 



lin. sec. 



per 



minute. 



m. m. 







127 



17 



20 





92 



47 



30 





90 



32 



40 





82 





50 





82 





1 05 





67 





1 30 









REMARKS. 



Injected intravenously 0.004 gram dried venom of the 

 Ancistrodon piscivorus dissolved in 1 c. c. distilled 

 water. 



Respiration ceased. 



