MR. G. S. BRADY'S 



MONOGRAPH OF 



25. Outline of carapace, from right side, x 40. 



26. do. right valve only, x 40. 



27. do. left valve only, x 40. 



Cy there villosa. 



28. Carapace (female), seen from left side, x 40. 



29. do. do. above, x 40. 



30. do. do. below, x 40. 



31. do. do. front, x 40. 



32. Separated valves, showing hinge-margins, 



x40. 



, Cythere semipunctata. 

 33-35. Carapace, lateral, upper, lower, and 

 end ^dews, x 40. 



36. Right valve (young), lateral view, x 40. 



37. do. do. from above, x 40. 



Cytheropteron multiforum. 



38. Carapace (of male), seen from left side, 



x40. 



39. Carapace (of male), seen from above, x 40. 



40. do. do. below, x 40. 



41. do. do. front, x 40. 



42. Left valve (young), x 40. 



Plate 



Cythere dunelmensis. 



1. Carapace (male) (Durham coast), seen 



from left side, x 40. 



2. Carapace (male) , seen from above, x 40. 



3. do. do. below, x 40. 



4. do. do. front, x 40. 

 5-8. The same, male (Frith of Clyde), x 40. 

 9. Carapace (female), seen from left side, x 40. 



10. do. do. above, x 40. 



11. do. do. below, x 40. 



12. do. do. front, x 40. 



Cythere Jonesii. 



13. Carapace of female, seen from right side, 



x40. 



14. Carapace of female, seen from above, x 40. 



15. do. do. below, X 40. 



16. do. do. front, x 40. 



Cytherura clathrata. 



Fig. 43. Carapace, seen from left side, x 40. 



44. do. do. above, x 40. 



45. do. do. below, x 40. 



46. do. do. front, x 40. 



Cytherura cellulosa. 



47. 



Carapace (female) , seen 



from left side, x 40. 



48. 



do. 



do. 



above, x 40. 



49. 



do. 



do. 



below, X 40. 



50. 



do. 



do. 



front, x40. 



60. 



do. 



do. 



left side, x 84. 



Cythere Jeffrey sii. 



51. Carapace, seen from right side, x 40. 



52. do. do. above, x 40. 



53. do. do. below, x 40. 



54. do. do. front, x 40. 



55. Ornament of shell-surface, x 140. 



Cythere badia. 



56. Carapace, seen from left side, x 40. 



57. do. do. above, x 40. 



58. do. do. below, x 40. 



59. do. do. front, x 40. 



XXX. 



Cythere antiquata. 



Fig. 17, Carapace of female, seen from left side, 

 x40. 



18. Carapace of female, seen from above, x 40. 



19. do. do. below, x 40. 



20. do. do. front, x 40. 



Cythere Whiteii. 



21. Carapace, seen from left side, x 40. 



22. do. do. above, x 40. 



23. do. do. below, x 40. 



24. do. do. front, x 40. 



Cythere tuherculata. 



25. Carapace (female), seen from left side, x 40. 



26. do. do. above, x 40. 



27. do. do. below, x 40. 



28. do. do. front, x 40. 



