PLATE IX. 



FIG; 



1. Hinge of Chama. 



2. Chama hippopus l . 



3. Chama cor 2 . . . 



4. Hinge of Area. 



5. Area undata 3 . . 



6. Area Noce . . . 



7. Ostrea violacea 4 



8. Ostrea malleus? 



9. Anomia psittacea.* 



. Bear's Paw Clam. 

 . Heart Clam. 



. Lettered Ark. 

 . Noah's Ark. 

 . Violet Scallop. 

 . Hammer Oyster. 



f Parrot Beak 



1 Anomia. 



1 Hippopus maculates of Lamarck 



2 Isocardia cor ditto. 



3 Pectunculus undulatus ditto. 



4 Pecten violacea ditto. 



5 Malleus Vulgaris ditto. 

 9 Terebratula psittacea ditto. 



