CATALOGUE OF SHELLS, 
Gen. Cuamostrea Roissy. 
1. C. Abida. Lam sp. Mr. Strange. 
New South Wales. 
Fam. XX. GASTROCHENIDA. 
Gen. ASPERGILLUM LAMARCK. 
1, A. Vaginiferum Lam. E. L. Layard. 
Ceylon. 
Fam. PHOLADIDZ. 
Gen. Puowas. L. 
1. P. Orientalis. Gmel. Capt. Halsted. 
Persian Gulf. 
2. BP. Parva Pennant. 
Britain. 
3. P. Dactylus L, H. E. Strickland, 
Britain. 
4. BP. Candida Lam, 
Britain, 
5. P. Australasia Gray (?) W. Theobald, Jnr. 
Katiwar. 
Gok: 
Perhaps a variety of the last. Locality unknown. 
