PLATE XVL 



Pig. 



1. Cytherura acuticostata. Carapace, seen from left side. v 60 



2. — — „ below. 



3. — — „ 5, behind. 



(Oban, Raised-beach.) 



4. Limnicythere antiqua. Carapace, seen from left side. ~) X 60 



5. — — „ above. } (Crofthead and Dipple.) 



6. Cy there latimaryinata. Left valve (imperfect), seen from ) GO (Hopton Cliff ) 



outside. 3 V F 



7. Cytherura flavescens. Carapace, seen from left side. ) y 84 (Colintraive ) 



8. — — „ „ above. ) ^ 



9. Bythocythere constrida. Left valve, seen from outside. \_ y 40 (Helensbur h) 

 10. — — M J) above. j 



IL Cythere {?) seviipintdata. Carapace, seen from right side. ^ X 60 



12. — — „ ,, below. j (Oban, Raised-beach.) 



13. Cythere costellata. Carapace, seen from left side. . x 60 



It- ~ ~ " " tV^- [ (Selsey, Pholas-bed.) 



15. — — „ „ below. J V j> / 



16. Cythere yibbosa. Carapace, seen from left side. 



17. — — „ „ below. i X 84 (Portrush.) 



18. — — „ „ front. ) 



19. Paradoxostoma flexuosiim. Carapace, seen from left side. ) pa j-^r'-n i \ 



20. - - „ „ above, j 60 (Cardiff Dock.) 



21. Paradoxostoma tenerum. Carapace, seen from left side. ) y 40 (Dumbarton ) 



22. — — „ ,, above. ) ' 



23. Paradoxostoma Fischeri. Carapace, seen from left side. ~) X 60 



24. — — j5 j5 above. ) (West Tarbert, silt.) 



25. Paradoxostoma arcuatum. Carapace, seen from left side. X 40 (Oban, Raised-beach.) 



26. Pontocypris triyonella. ' Carapace, seen from left side. '\ 



27. — — ,,5, above. [ X 40 (Duntroon.) 



28. — — j5 jj below. 3 



29. Argillcecia cylindrica. Carapace, seen from left side. 



80. — — „ ,, above. V X 40 (Duntroon.) 



31. — — „ below. ) 



32. Xestoleberis aurantia. Carapace of female, seen from left '\ 



side. I X 40 (Belfast.) 



33. — — „ „ above, ) 



