94 



THE VENOMS OF CERT a IN T H A N A T P H I D E JS. 



Time: 



min. sec. 



20 00 



20 20 



21 20 

 23 20 

 25 20 

 28 20 

 33 20 

 38 20 

 44 20 

 44 30 

 44 40 



44 50 



45 00 

 45 10 



Pressure 

 m. m. , 



90 

 72 

 60 

 56 

 60 

 70 

 70 

 66 

 58 

 50 

 48 

 44 

 36 

 26 



REMARKS. 



Third injection, same amount. 



Dead. 



Experiment No. 24. 



Normal 



Time: 

 min. see. 



10 



20 

 30 

 40 

 00 

 50 

 20 



1 

 1 

 4 



7 00 



7 05 



7 10 



7 20 



7 40 



8 00 



8 30 



9 00 

 11 30 



11 40 



12 00 



12 30 



13 00 

 13 30 

 19 00 

 19 20 



19 40 



20 20 



21 50 



22 50 



Pressure 

 m. ra. 



154 

 114 



86 

 76 



80 

 98 

 100 

 138 

 110 

 106 

 108 

 98 



78 

 76 

 70 

 66 



72 

 54 

 50 

 44 

 40 

 38 



Injected intravenously 0.003 gram dried venom of the An cis- 

 trodon contortrix dissolved in 1 c. c. distilled water. 



Injection repeated. 

 Struggles. 



Third injection. 



Fourth injection. 



Dead. Heart in diastole ; blood remains fluid ; muscles all 

 respond to electrical irritation ; motor nerves react feebly. 



