PLATE IX. 



Ftg. 



1. Cythere albomaculata. Carapace of female, seen from left 



side. 



3. — — „ ,, above. 

 8. — — „ „ below. 



4. — — „ „ front. 



5. Cy there leioderma. Right valve, seen from outside. 



6. — — „ „ above. 



7. Cythere concmna. Carapace of female, seen from left side. " 



8. — — „ „ above. 



9. — — „ „ front. 



10. Cytheridea elonyata. Carapace, seen from left side. 



11. — — „ above. 



12. — — ,j » behind. 



13. — — Hinge-margins. 



14. Cythere emaciata. Carapace of male, seen from leftside.' 



15. — — „ „ above. 



16. — — „ ,, below. 



17. — — „ „ front. 



18. Cythere glohulifera. Left valve (of male?), seen from 



19. — — 



outside. } 

 Right valve (of female?), seen from~^ 

 outside. > 



20. — — „ „ above. ) 



21. — — Right valve, seen from outside. ) 



22. — — „ „ above. ) 



23. Cythere laticarina. Carapace, seen from the left side. 



24. — — „ „ above. 



25. — — „ „ below. 



26. — — „ ,, front. 



(Raised beach, Irvine.) 



(Bridlington.) 

 (Bridlington.) 



(Raised beach, Irvine.) 



(Raised beach, Oban.) 



(Errol.) 

 X 50 (Annochie.) 

 (Bridlington.) 



(Raised beach, Oban.) 



(All X 40, except where otherwise stated.) 



