PLATE VIII. 



Page. 

 EXOGYRA SUBOFvBICULATA Lam 62 



Fig. 1. Fragment of an upper valve. 



Nat. Mns. Cat. Invert. Foss., 22863. 

 Exogyra columbella Meek 63 



Fig. 2. Dorsal view of a large lower valve (after White). 



3. Side view of lower valve (after White). 



4. Upper view of specimen with both valves united (after White). 



Exogyra l^eviuscula Roemer 64 



Figs. 5, 6. Different views of lower valves (after White). 



Anomia concentrica Meek 67 



Fig. 7. View of Meek's type specimen. 



Nat. Mus. Cat. Invert. Foss., 489. 



Anomia subquadrata n. sp 66 



Figs. 8,9. Casts of two upper valves retaining portions of the shell, and 

 showing the variation in outline and convexity. 

 Nat. Mus. Cat. Invert. Foss., 22864. 



Anomia propatoris White ? 67 



Fig. 10. Upper valve slightly enlarged. 



Nat. Mus. Cat. Invert. Foss., 22865. 



Placunopsis? hilliardensis White 68 



Fig. 11. View of the type specimen (after White). 



208 



