PLATE XIV. 



Pig. 



1. Cythere macropora. Carapace, seen from left side. 



2. — — „ „ above. 



3. — — „ ,, below, 



4. Cythere Hopionensis. Left valve, seen from outside. 



5. — — „ „ above. 



6. — — Right valve, seen from outside. 



7. Cythere cicatricosa. Carapace, seen from left side. 



8. — — „ „ above. 



9. — — „ ,, below. 

 10, — — „ „ front. 



IL Loxoconcha multifora. Carapace, seen from left side. 

 12 a. — — ,, „ above. 



12(5. — — „ „ below. 



13. CytheropteronMontrosiense (jumus). Carapace, seen from 



left side, 



14. — — ,, above. 



15. — — ,, below. 



16. — — „ front. 



17. Cytheropteron rectum. Carapace, seen from left side. 



18. — — „ „ above. 



19. Cytheropteron arcuatum. Carapace, seen from left side. 



20. — — . „ ,, above. 



21. — — ,, ,5 below. 



22. — — 5, M front. 



X 40 (Hopton Cliff.) 

 X 40 (Hopton Cliff.) - 



X 40 (Hopton Cliff.) 



X 60 (Bristol.) 



X 50 (Errol.) 



X 60 (Recent: Westport.) 

 X 60 (Cardiff Dock.) 



X 50 (Dryleys.) 



25. 



23. Loxoconcha elhptica. Carapaceof male, seen from left side. ) , ,a //-. at i-k i n 

 ^. /' 1' J ^ X 40 (Govan NewDock.) 



24. — — jj j> above, j 



„ female, seen from left) ,, ,a //-> ^•csT\ in 

 ' ^ X 40 (Cardifi Dock.) 



X 40 (Dryleys.) 

 X 60 (Paisley.) 



side. 



26. Cytheropteron inflatum. Carapace, seen from left side. 



27. — — 35 jj above. 



28. — — „ „ below. 



29. — — J, ,, front, 



30. Loxoconcha frayilis. Carapace of male, seen from left side, 



31. — — Left valve of female, seen from out- 



side. 



32. — — 5, „ (outline), seen 



from above. 



