TAB. XXXII. 



Fig. 



1. Ilarpax Waltoni, Lye. The attached valve. Forest Marble (i)age 110). 



\n. „ „ Interior of the left valve. 



1 h. „ „ Interior of the right valve. 



2. Ostrea (Exogyra) lingulata, Walton, MSS. Forest Marble (page 108). 



2 (I. „ „ „ Interior of the convex valve. 

 2 h. „ „ „ Interior of the flat valve. 



3. Perna mytiloides, Zam. Forest Marble (page 112). 



4. 4 a, 4 5. Gervillia Waltoni, Lye. Forest Marble (page 110). 



