RECENT BRITISH OSTRACODA. 



. 26. Separated valves, showing hinge-joint, 

 x40. 



28. Old valve, from deep water, x 40. 



Cy there castanea. 

 27. Carapace of female, from left side, x 40. 



Cy there tenera. 



29. Carapace (female), from left side, x 40. 



30. do. do. above, x 40. 



31. do. do. below, x 40. 



32. do. do. front, x 40. 



Cythere albo-maculata. 



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



34. do. do. above, x 40. 



35. do. do. below, x 40. 



36. do. do. front, x 40. 



37. Lucid spots, x 96. 



38. Portion of anterior contact-margins, from 



the front, x 84. 

 38 e. Young carapace, from left side (C. alba, 

 Baird), x 40. 



39. Separated valves, showing hinge-margins, 



x40. 



Cythere viridis. 



40. Carapace of female, seen from left side, 



x40. 



487 



Fig. 41. Carapaceof female, seen from above, x 40. 

 57-59. Lateral, superior, and end views of 

 specimens dredged in the Minch, x 40. 



Cytheridea zetlandica. 



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



43. do. do. above, x 40. 



44. do. do. below, x 40. 



45. do. do. front, x 40. 



46. Lucid spots, x 84. 



Cythere lutea. 

 (Deep-water variety.) 



47. Right valve of male, x 40. 



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



49. do. do. above, x 40. 



50. do. do. front, x 40. 



51. Separated valves, showing hinge-joint, 



x40. 



(Littoral variety.) 



52. Carapace, fi'om left side, x 40. 



53. do. do. above, x 40. 



54. do. do. below, x 40. 



55. do. do. front, x 40. 



56. Hinge-margins, from above : («) left, {b) 



right, X 84. 



Plate XXIX. 





Cytheridea Sorbyana. 



Limmcy there inopinata. 



1. 



Right valve (recent) , x 40. 



Fig. 15. Carapace of female, seen from left side, 



2. 



Carapace (fossil) , seen from left side, x 40. 



x40. 



3. 



do. do. above, x 40. 



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



4. 



do. do. front, x 40. 



17. do. do. below, X 40. 



5. 



Left valve (recent), from side, x 40. 



18. do. do. front, x 40. 



6. 



do. do. above, x 40. 



Cythere convexa. 





Cythere mirabilis. 



19. Carapace of female, seen from left side. 



7. 



Left valve, seen from side, x 40. 



x40. 



8. 



do. do. above, x 40. 



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



21. do. do. below, X 40. 





Limnicy there monstrifica. 



22. do. do. front, x 40. 



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



23. Separated valves, showing hinge-margins, 



10. 



do. do. above, x 40. 



x40. 



11. 



do. do. below, x 40. 



24. Hinge-joint of left valve (lateral view). 



12. 



do. do. front, x 40. 



x40. 



