PLATE X. 



Fig, 

 1. 

 2. 

 3. 

 4. 



5. 



6. 



7. 



9. 

 10. 

 11. 



12. 

 13. 

 14. 

 15. 



16. 

 17. 



18. 

 19. 

 20. 

 21. 



22. 



23. 



24. 

 25. 



2G. 



27. 

 28. 



29. 

 30. 

 31. 

 32. 



33. 

 34. 

 35. 



Cythere limicola. Carapace of female, seen from left side. 



— — „ „ above. 



— — „ „ below. 



— — „ „ front. 



Cythere cribrosa. Carapace, seen from right side. 



— — „ „ above. 



— — „ „ front. 



Limnicythere inopinata. Carapace, seen from left side. 



— — 5. I. above. 



— — J, J, belowr. 



— — „ „ front. 



FMcythere Aryus. Carapace of female, seen from left side. 



— — jj male, ,, „ 



— — » » „ above. 



— — „ „ „ front. 



Cytherideis subspiralis. Right valve, seen from outside. 



— — ,, „ above, j 



Cythere Finmarchica, Carapace, seen from left side. 



— — „ „ right side. 



— — „ (young), left side. ) 



— — „ „ above. ) 



Cythere angulata, var. Carapace, seen from right side. 



Cythere cuneiformis. Carapace of female, seen from left 



side. 



— — „ „ above. 



— — „ „ below. 



— — „ „ front. 



Paradoxostoma ensiforme. Right valve, from outside. ) 



— — „ „ above. ) 



Paradoxostoma variabile. Carapace, seen from left side. 



— — ,y „ above. 



— — „ „ below. 



— — » „ front. 



Sclerochilus contortus. Carapace, seen from left side. 

 ■ — — „ „ below. 



— — ,, „ front. 



(Kilchattan.) 



(Bridlington.) 



(Hornsea.) 



(Dumbarton.) 



(Burn of Haster, Caith- 

 ness.) 



(Loch Gilp.) 

 (Burn of Haster.) 



(Gamrie.) 

 (Dalmuir.) 



(Bridge of Allan.) 



(Bridlington.) 



(Cumbrae, College-bed.) 



(Cumbrae, College-bed.) 



(All magnified 40 diameters.) 



