PLATE I. 



Fig. 



1 . Cypridopsis obesa. Carapace, seen from left side. 



2. — — „ „ above. 



3. — — „ „ below. 



4. — — » • „ front. 



5. Cypris conipressa. Carapace, seen from left side. 



6. — — „ ,, above. 



7. Candona detecta. Carapace, seen from left side. 



8. — — „ „ above. 



9. — — „ „ front. 



10. Candona albicans. Carapace, seen from left side. 



11. — — ■ „ ,, above. 



12. — — „ „ below. 



13. — — „ „ front. 



14. Candona lactea. Carapace, seen from left side. 



15. — — „ „ above. 



16. — — „ „ below. 



17. Cypris salina. Carapace, seen from right side. 



18. — — ,, ,, above. 



19. — — ,, „ below. 



(Hornsea.) 



> (Hornsea.) 

 \ (Hornsea.) 



(Hornsea.) 



(Mersey beds.) 

 (Crofthead.) 



20. Potamocypris fulva. Carapace, seen from left side. 



21. — — Right valve, seen from outside. 



22. — — Carapace, seen from above. 



23. — — ,, ,, below. 



24. — — „ ,. front. 



(Dalmuir.) 



25. Cypris lavis. Carapace, seen from left side. 



26. — — „ „ above. 



27. — — „ „ below. 



28. — — „ „ front. 



29. Cypris ovum. Carapace, seen from left side. 



30. — — ,, „ above. 



31. — — ,, ,, front. 



(Whittlesea.) 



(Hornsea.) 



(All magnified 40 diameters.) 



