100 



THE VENOMS OP CERTAIN THANATOPHIDE<E. 



REMARKS. 



Dead. Heart arrested in diastole ; blood incoagulable , 

 ecchymoses well-marked in peritoneum and pericardium ; 

 intestines congested ; 50 c. c serum in peritoneal cavity. 

 Section of cord complete, except anterior columns. 



REMARKS. 



Injected intravenously 0.015 gram dried venom of the Cro- 

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



Dead. 



REMARKS. 



Injected intravenously 0.003 gram dried venom of the Ancis- 



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

 Muscular movements. 



Dead. Blood is incoagulable; no ecchymoses in serous 

 membranes. 



REMARKS. 



Injected intravenously 0.003 gram dried venom of the Ancis- 

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



