PLATE II. 



Fig. 



1. Cyihereis ornatissima (Reuss) 



2. — — — 



3. 



4. 



5. 



6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 

 17. 

 18. 

 19. 



(Page 21.) Left valve. 



Carapace, dorsal aspect. 



Carapace, ventral aspect. 



Carapace, anterior aspect. 



Left valve, not fully developed, though large. }• X 18 diam. 



Left valve, rather young. 



Carapace, rather young ; dorsal aspect, 

 var. nuda, nov. (Page 23.) (Bad figure. See PI. IV, fig. 14.) 



— — Left valve, 



var. pawpera, nov. (Page 23.) Left valve. 



— — — Right valve, 

 var. nuda, nov. (Page 23.) Carapace, dorsal view. 



— — — Cai-apace, ventral view. 



— — — Carapace, anterior end. 

 (Page 21.) Young. Left valve. (PI. IV, fig. 7.) 

 Young. Carapace, dorsal view. (PI. IV, fig. 8.) 



(Page 28.) Left valve. 



Edge outline. 

 vallata, Jones. (Page 28.) Left valve. 



20. Cytheropteron alatum (Bosquet), v&v.fortis, nov. (Page 36.) Left valve. 



21. — — — — — — Right valve. 



Hibernicum, sp. nov. (Page 36.) Left valve. 



— — Ventral view. 



alatum (Bosquet), var. robusta, nov. (Page 35.) 



spinicaudata, sp. nov. 



22, 

 23, 

 24. 

 25, 



26, 



27. 



28. Bythocypris Boemeriana, sp. nov. 



29. — — — 



30. — — — 



31. Bairdia subdeltoidea (Miinster) 



32. — — — 



33. — — — 



34. — — — 



35. Cythere ? Bosquetiana, Jones 



36. — — — 



(Page 14.) 



Right valve. 

 Caraf)ace, dorsal view. 

 Carapace, ventral view. 

 Carapace, anterior view. 



J 



I X 20 



[ X 18 



I X 18 



I x20 



X 20 



I X 25 



I X 25 



(Page 5.) 



(Page 15.) 



Macrocypris siliqua, Jones. (Page 9.) 



Left valve 

 Edge view. 

 End view. 



Carapace, dorsal view. 

 Carapace, anterior view. 

 Left (large) valve. 

 Right (small) valve. 

 Carapace, showing right valve. 

 Carapace, dorsal view. 

 Carapace^ end view. 

 Carapace, dorsal view. 

 Carapace, end view. 



— — Right valve. 



— — Right valve, inside. 

 Muensteriana, sp. nov. (Page 10.) Right valve, inside, 

 Wrightii, sp. nov. (Page 10.) Left valve (imperfect), edge outline. 



— — Left valve. 



Muensteriana, sp. nov. (Page 10.) Carapace, left valve shown, oblique. 



— — Carapace, dorsal view. 



— — Carapace, anterior view. 



48. Paracypris siliqua, sp. nov. (Page 2.) Right valve, edge outline. 



49. — — — Right valve 

 gracilis (Bosquet). (Page 1.) Carapace, right valve seen. 

 siliqua, sp. nov. (Page 2.) Right valve. 



~ ~ Carapace, dorsal aspect. 

 Carapace, anterior aspect. 



— — — Carapace, left valve shown. 



— — — Right valve. 

 Bythocypris Beussiana, sp. nov. (Page 12.) Left valve 



57. Bairdia Harrisiana, Jones, var. amplior, nov. (Page 8. 



58. Pseudocythere ? simplex, s^i. nov. (Page 30.) Left valve. 



59. — — — 



60. — — — 



61. Bythocypris Beussiana, sp. nov, (Page 12.) 



63! — — — 



64. — silicula (Jones). (Page 13.) Left valve. 



65. Pontocypris Bosquetiana, sp. nov. (Page 4.) Right valve. 



66. Macrocypris concinna, sp. nov. (Page 11.) Left valve, edge outline 



67. — — — Left valve. 



37. 

 38. 

 39. 



40. 

 41. 

 42. 

 43. 

 44. 

 45. 

 46. 

 47. 



50, 

 51 



52. 

 53 

 54, 

 55 

 56 



X 18 



X 20 



X 18 



X 18 



X 18 



Bairdia Harrisiana, Jones. (Page 8.) 



Right valve. 



(See also PI. IV, figs. 37 and 38.) 

 Left valve. 



Right valve. Young, or variety. 

 Carapace, dorsal aspect. 

 Carapace, anterior aspect. 

 Carapace, right valve shown. 



X 18 



X 20 



X 18 



