Plate V. 



VOLUTA. 



Nautilus. 

 (Greatly reduced. 



Cassidakia. 



ROSTALLARIA. 



Pectunculus 



Triton. 



HA:MrSTEAI) SHELLS. 

 {Fossils from the London Clay.') 



All the above figure.? except that of the Nautilus are drawn from specimens taken from the clay 

 of Hampstead by the Author. 



3 



