PLATE XIII. 



Pig. 



1. Cy there Macallana. Carapace, seen from left side. 



2. — — „ „ above. 



3. Cythere porcellanea. Carapace, seen from left side. 



4. — — „ „ above. 



5. — — „ „ below. 



6. Cythere tenera. Carapace, seen from left side. 



7. — — „ ,, above. 



I X 60 (Kilchattan.) 



[ X 60 (West Tarbert.) 



) X 60 



) (Cardiff New Dock.) 



8. Cythere castanea. Carapace (of female), seen from left side. "\ 



9. — — „ „ „ above. / X 40 



10. — — „ (of male), „ left side, f (Cardiff New Dock.) 



11. — — „ „ „ above. J 



12. Cythere crispata. Carapace, seen from left side. 



13. — — „ ,,, above. 



14. Cythere deflexa. Right valve, seen from side. 



15. — — „ „ above. 



16. Cythere Clutha. Carapace, seen from left side. 



17. — — „ „ above. 



18. Cytherura Sarsii. Carapace, seen from left side. 



19. — — „ „ above. 



20. Bairdia (?) Cambrica. Right valve, seen from side. ' 



21. — — „ ,, above. 



22. Cythere quadridentata. Carapace, seen from left side. 



23. Cytherura cornuta. Carapace (of female), seen from left' 



side. 



24. — — „ „ below. 



25. — — „ „ front. 



26. Cytherura gihba. Carapace (of female), seen from left 



side. 



27. — — „ ,, above. 



28. — — 5, „ below. 



29. — — „ „ front. 



30. Cytherura producta. Carapace, seen from left side. 



31. — — „ ,, above. 



32. — — „ „ below. 



33. — — „ ,, front. 



34. Cytherura quadrata. Right valve, seen from side. 



35. — — „ „ above. 



36. Cytherura cuneata. Carapace, seen from left side. 



37. — — ,, ,, above. 



\ X 60 



) (West Tarbert, silt.) 



I X 40 (Jordan Hill.) 



j X 84 (Kilchattan.) 



X 60 

 (Karnes Bay, Cumbrae. 



X 84 

 (Cardiff New Dock.) 



X 40 (Loch Gilp.) 



X 40 

 (West Tarbert, silt.) 



X 40 

 (West Tarbert, silt.) 



X 50 

 (Cardiff New Dock.) 



X 40 (Belfast.) 



X 50 

 (West Tarbert, silt.) 



(Note. — By a mistake of the lithographer fig. 4 has been made of a smaller size than 

 the others.) 



