PLATE LXVI. 



I';is;c. 

 Figures 1, li. Sajiiiulus m ississippiensis Berry 274 



1. Holly Springs sand at Early Grove, Miss. 



2. Wilcox group near Shreveport, La. 



FiGUKE.s 3-7. S(} iiindus Jormosus Berry 27G 



3. Leaflet showing revolute margins from Lagrange fornialion lin lieils nf Wilcox age) at Wick- 



liffe, Ky. 

 4-7. Lagrange formation (in beds of Wilcox age) at Purvear, Tenii. 



415 



