PLATE VIL 



Fig. 



1. Cytheridea torosa, var. teres. Carapace of female, seen 



from left side. 



2. — — „ „ above. 



3. Cytheridea (?) inornata. Carapace, seen from left side. 



4. — — „ above. 



5. — — „ „ below. 



6. — — „ „ front. 



7. Cytheridea Sorbyana. Left valve of female, seen from side. 



8. — — Right 



9. — — Left ,, ,, above. 



10. — — Right 



11. — . — Carapace of female, seen from) 



below. ) 



13. — — Right valve of male, seen from 



side. 



13. Xestoleberis depressa. Carapace of female, seen from left 



side. 



14. — — - ,, „ above. 



15. — — „ „ below. 



16. — — „ front. 



17. — — Carapace of male, „ leftside. 



18. — — „ ,, above. 



19. — — „ ,, front. 



20. Bythocythere simplex. Left valve of ? , seen from side. 



21. — — „ „ above. 



22. Cytkere mirabilis (female). Left valve, seen from side. 



23. — — — „ ,, above. 



24. — — — Right valve „ „ 



25. — — — Left valve „ front. 



26. — — — Lucid spots. 



} 



(Paisley.) 



(Annochie.) 



(Errol.) 



(Norway.) 

 (Errol.) 



(Loch Gilp.) 



(Paisley.) 



(Errol.) 



(All the figures X 40, except fig. 26, which is X 96.) 



