PLATE XVIII. 



Lepidocyclina georgiana Cushman, n. sp. (p. 60). 



Figure 1. Peripheral portion of specimen showing the surface ornamentation and near the edge the section of the 

 equatorial chambers, X 10. Flint River, Bainbridge, Ga. (U. S. G. S. station 6161). 



Figure 2. Very large specimen, exterior, X 2, showing the umbo and in places the equatorial chambers. Ocala lime- 

 stone at Red Bluff, on Flint River 7 miles above Bainbridge, Ga. (U. S. G. S. station 3387). 



