PLATE IX. 



Fig. 



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



side. 



2. — — „ „ above. 

 8. — — „ „ below. 



4. — — „ „ front. 



5. Cythere leioderma. Right valve, seen from outside. 



6. — — „ „ above. 



7 . Cythere concinna. Carapace of female, seen from left side. ' 



8. — — „ ,, above. 



9. — — „ „ front. 



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



11. — — „ „ above. 



12. — — „ „ behind. 



13. — — Hinge-margins. 



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



15. — — „ „ above. 



16. — — }, „ below. 



17. — — „ „ front. 



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



outside. ) 



— — Right valve (of female ?), seen from ") 

 outside. )■ 



— — „ „ above. ) 



— — Right valve, seen from outside. | 



— — „ „ above. ) 



19. 



20. 

 21. 



22. 



23. 

 24. 

 25. 

 26. 



Cythere laticarina. Carapace, seen from the left side. 



— — „ „ above. 



— — „ „ below. 



— — „ „ 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.) 



