TAB. VIII. 



Fig. 



1. Spondylus rarispina, page 51. 



a. view of the inside of the left or free valve. 



b. ,, outside of the same. Mus. Edwards. 



2. Ostrea aliena, p. 16. Mus. Edwards. 



3. ,, cyathula, p. 19. ,, 



4. ,, zonulata?j». 34. „ 



5. ,, flabellula ivar. modieella) , p. 21. Mus. Edwards. 

 0. „ gigantea,jo. 23. Mus. Edwards. 



7. Pecten Prestwichii, p. 42. 



a. left valve. Mus. Bowerbank. 



b. right valve. Mus. Prestwich. 



The portion beyond the fracture in the right valve is made up. 



8. Pecten 30-radiatus? var. 40-radiatus, p. 45. Mus. Brit. 



9. Pecten idoneus, jo. 41. Mus. Edwards. 



10. Pecten duplicatus, /?. 41. 



a. view of the outside of the right valve. Mus. Edwards. 



b. ,, ,, left valve, with imperfect ? auricles. Mus. 

 Edwards. 



c. view of the inside of the left valve of a more elevated specimen. Mus. 



Wetherell. 



11. Pecten bellicostatus, p. 38. Mus. Edwards. 



