U. S. GEOLOGICAL SURVEY 



PROFESSIONAL PAPER 131 PLATE XV 



FOSSIL PLANTS OF THE WILCOX GROUP. 



1-2, Pterobalanus texanus Berry; 3-4, Stercnlia wilcoxensis Berry (3, Puryear, Tenn.; 4, G039 pit, near Mansfield, La.); 

 5, Stercoliocarpus eocenicus Berry (side view), from Goss pit, near Mansfield, La. 



