146 



VENOMS 



(5) AMEBIC A. 

 Families. Sub-Families. Genbba. 

 ■CoLUBKiDiE ElapincB Elaps 



/ Ancistrodon... 



ViperiDjE CrotalivcB 



Lachesis 

 Sistrurus 



Cro talus 



Geographical Abea. 



Mexico, Central America 

 Bolivia, Ecuador, Peru 

 Colombia. Brazil. 



fNorth America, Florida, 

 -j Texas, Mexico, Guate 

 t mala. 



J Central and South Ameri 

 1 ca, Martinique, St. Lucia. 

 ( North America east of the 

 -j Rocky Mountains, Mex- 

 ( ioo. 



/Southern Canada, British 

 Columbia, Central Amer- 

 ica, Guiana, Venezuela, 

 Brazil, Uruguay, North- 

 ern Argentina. 



