217] 



E. W. Berry 



19 



This spectacular river capture has been disputed by Johnson 2 

 who, it seems to me, conclusively demonstrates that the pre- 

 sent course of the Tennessee River across Walden Ridge in a 

 winding gorge is imposed from meanders inherited from the 



FIG. l. 



Map showing physiographic regions and areas of outcrop of 

 Tuscaloosa, Eutaw, and Selma formations. 



period of earliest complete baselevelling in this area, namely 

 from the Cumberland peneplain. 



The character of the Upper Cretaceous sediments of the 

 eastern Gulf area throw considerable light on the physical 



2 Johnson, D. W., " The Tertiary History of the Tennessee River..' 

 Jour. GeoL, vol. 13, pp. 194-231, 1905. 



