KXOGYRA. 



399 





197 



Figs. 195— 198.— Escogyra sinuata (Sow.). Left valves. 195, 197, 198, Sedgwick Museum. 196, Mr. 

 Lamplugh's Collection. J95, Hythe Beds, Hythe. 196, Speeton Clay (zone of Belemniteslaterahs), 

 Speeton. 197, Tealby Limestone, Claxby. 198. Ferruginous Sands, Atherfield. All x ,. 



