

LEGEND 



dsonian Zone I 



BOREAL 



,*.- 7onJ RECION 



-.-.- 1 Trantili'onal Zo 



Alteghanion Area 

 Upper Austral Zone 

 Carolinian Area 



Lower Austral Zone 

 Aurro riparian Ar 

 Lower Austral Zc 

 Semi tropical Are 



Tropical 



LIFE ZONES OF EASTERN NORTH AMERICA 



(>ftr C. H.Merriom) 



This Map has been prepared by J. Patterson. M.A. 



