Fig. 

 1. 

 2. 

 3. 

 4. 



5. 

 G. 



Cytherura clathrata. 



PLA.TE XI. 



Carapace, seen from left side. 

 „ „ above. 



„ „ below. 



„ front. 



Gijiherura cellulosa. Carapace of male, seen from left side. 

 — — „ „ above. 



7. Cytherura concentrica. Eight valve, seen from side. 



8. — — „ „ above. 



Carapace of female, seen from left side. 

 „ „ above. 



„ „ below. 



Carapace of male (variety). 



„ seen from above. 



„ „ below. 



„ „ front. 



Carapace, seen from left side. 

 „ „ below, 



front. 



9. Ci/therura undata. 



10. — — 



11. — — 



12. — — 



13. — — 



14. — — 

 1-5. — — 



16. Cytherura similis. 



17. — — 



18. — — 



19. Cytherura (?) complanata. 



20. — — 



Right valve, seen from side, 

 above. 



21. Cytherura compressa. Carapace, seen from left side. 



22. — — „ „ above. 



23. — — „ » front. 

 Carapace, seen from left side. 



„ „ above. 



„ „ below. 



24. Cytherura Sarsii. 



25. — — 



26. — — 



27 



„ „ front. 



Carapace, seen from left side. 

 „ „ above. 



„ „ below. 



„ „ front. 



„ „ separate valves. 



33. Cytherura pumila. Carapace of female, seen from left side. 



34. — — „ » above. 



35. — — Carapace of male, „ left side. 



36. Cythere Dunelmensis (young). Left valve, lateral view. 



28. Cytherura niyrescens 



29. — — 



30. — — 



31. — — 



32. — — 



37. 



38. Cytherwa striata. 



39. — — 



40. — — 



41. — — 



42. Cyiherwra cuneata. 



43. Cytherura flavescens. 



seen from above. 



Carapace, seen from left side. 

 „ „ above, 



below, 

 front. 



Carapace of male, seen from left side. 



Carapace, seen from left side. 



44. — — » » above. 



45. — — „ » below. 



46. — — » » front. 



47. — cuneata. Sculpture of male carapace. 



48. Cytherura angulata. Carapace, seen from left side. 



49. — — „ „ above. 



50. — — » » below. 



51. — — » ,j front. 



52. Gythere crispata?- Carapace of female, seen from left side. 



53. — — „ „ above. 



54. Aglaia (?) ylacialis. Carapace, seen from left side. 



55. — — „ ,, above. 



56. — — „ „ front. 



X 40 (Raised beach, Oban.) 



X 84 (Gamrie.) 

 X 40 (Errol.) 



X 40 (Paisley.) 



X 40 (Loch Gilp.) 



X 40 (Loch Gilp.) 



X 50 (Annochie.) 



X 40 (Gamrie.) 



X 40 (College-bed, Cumbrae.) 



X 40 (Jordan Hill.) 



X 40 (Greenock Dock.) 

 X 40 (Errol.) 



X 40 (College-bed, Cumbrae.) 



X 40 (Dalmuir.) 



X 40 



X 84 



X 40 (Oban, raised beach.) 



X 40 (Oban.) 

 (Drip Bridge.) 



At page 146, printed Plate X in error. 



