PLATE XI IL 



Tig. 



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



2. — — „ „ above. 



3. Cytliere porceUanea. Carapace, seen from left side. 



4. — — „ ,, above. 



5. — • — „ below. 



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



7. — — „ above. 



8. Cytliere castanea. Carapace (of female), seen from left side. ' 



9. — — „ ,, above. 



10. — — ,, (of male), left side. 



11. — — „ 5, „ above. 



12. Cytliere ciisj^ata. Carapace, seen from left side. 



13. — — ,, ,, above. 



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



15. — — ,, „ above. 



16. Cytliere Cliitlia. 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 gibba. Carapace (of female), seen from left 



side. 



27. — — J, ,, above. 



28. — — „ 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. — — ,, J, above. 



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



37. — — ,, above. 



X 60 (Kilchattan.) 



X 60 (West Tarbert.) 



X 60 

 (Cardiff New Dock.) 



X 40 ' 

 (Cardiff New Dock.) 



X 60 

 (West Tarbert, silt.) 



X 40 (Jordan Hill.) 



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.) 



