Red Crag Fossils. 



273 



&c. Lamellibranchiate shells areetill more common, 

 such as Mactra, Tellina, Cyprina, Astarte, Pectuncu- 

 lus, Pecten, Cardium, &c. It is not unlikely that 



FIG. 53. 



Cassidaria bicatenata. Buccinum Dalei. 

 Trophon antiquum. Voluta Lamberti. 



Cardium Parkinsoni. Pectunculus glycimeris. Carcharodon megalodon. 



Group of Ked Crag Fossils. 



some of the shells may have been derived from the 

 waste of the Coralline Crag. 



At the base of the Coralline Crag, in a pit by 

 the Church near Felixstow, and in other places, there 



T 



