146 VENOMS 
(5) AMERICA. 
FAMILIES, SuB-FAMILIES. GENERA. GEOGRAPHICAL AREA. 
Mexico, Central America, 
Bolivia, Ecuador, Peru, 
Colombia. Brazil. 
CoLUBRIDE ÆElapinæ ... ... Hlaps...  ... | 
[AGE America, Florida, 
{ 
| 
Ancistrodon... Texas, Mexico, Guate- 
mala. 
Enchesis Central and South Ameri- 
MElLESUS ae en 
ca, Martinique, St. Lucia. 
: : i North America east of the 
VIPERIDÆ Crotaling | Sastrurus .. ..1 Rocky Mountains, Mex- 
| ico. 
Southern Canada, British 
| Columbia, Central Amer- 
Crotalus...  ...\ ica, Guiana, Venezuela, 
| Brazil, Uruguay, North- 
ern Argentina. 
