102 



PROCEEDINGS OF THE ACADEMY OF 



[April, 









♦♦"MM* v+> 



Fig. 3. — Outline map of the southeastern United States, showing the extent of 

 the principal life zones. The circumscribed Boreal areas on the mountains 

 of North Carolina and Virginia have not been indicated. For comments 

 upon and definition of the Sabalian zone see the zonal distributional informa- 

 tion in the introductory portion of this paper. The extent of the Sabalian, 

 as well as the other zones to the west of the Georgia-Alabama line and the 

 Chattahoochee River, has not been determined by us. 



