TAB. IV. 
Fic. 
1. Ostrea tabulata, page 31. 
a. outside view, upper valve, from Bognor. Mus. Edwards. 
6. outside view, lower valve, i Mus. Jermyn Street. 
2a. outside view of the upper valve of an oyster from Clarendon, with greatly 
incurved umbo like Exogyra ; supposed to be the young state of O. pulchra. 
Mus. Edwards. 
2. inside of another specimen, with margin denticulated near the hinge, same 
locality, supposed also to be the young state of O. pulchra. Mus. 
Edwards. 
3. Ostrea flabellula juv. ? page 21. 
From Barton. Mus. Edwards. 
