PLATE VIII. 



no. 



1. Hinge of Cardium. 



2. Cardium Edule 



3. Hinge of Mactra. 



4. Mactra Stultorum . 



5. Hinge of Donax. 



6. Donax Denticulata 



7. Hinge of Venus. 



8. Venus Dysera . . . 



9. Spondylus Gcedaropus 

 10. Spondylus PUcatula . 



Common Cockle 



Simpleton's 

 Kneading-trough. 



Toothed Donax. 



Ribbed Venus. 

 Thorny Oyster. 

 Cat's Paw. 



