PLATE V {continued). 



Fig. 



14. Cythere costellata, p. 32. 

 Left valve, outside 



Bracklesham Bay. 



1.5. Cythei-eis cornuta, p. 39. 

 a. Right valve, outside 

 h. Right valve, dorsal aspect 



X 25 1 

 X 25/ 



Bracklesham Bay. 



16. Cythere scabropapulosa, p. 31. 

 Right valve, outside . 



18, 19, 21, 23. CythereUa compressa, p. 54. 



18. Left valve, outside. (Var. 1, p. 55.) . 



19. Left valve, outside. (Var. 2, p. 55.) . 

 21. Right valve, outside. (Large individual.) 

 23. Right valve, outside 



X 25 Bracklesham Bay. 



25 

 X 25 i^ Copenhagen Fields 

 X '10 I London. 

 X 25 



20, 22. CythereUa Londinensis, p. 55. 



20. Left valve, outside .... 



22. Right valve, outside . . . • 



[The central depression is not sufficiently well marked in either of 

 these figures.] 



25 "1 Copenhagen Fields 

 25 J London. 



24. Gytheridea perforata, var. ylabra, p. 46. 



a. Right valve, outside 



b. Right valve, dorsal view 



X 25 1 Copenhagen Fields, 

 X 25 J London. 



