200 NEW OR IMPERFECTLY-KNOWN OSTRACODA. 



PLATE XXIII. 



Cypridopsis marmorata (p. 193). 



Fig. 1. Shell, seen from right side, X 84. 

 2. ,, „ above, x 84. 



Cypris latevirens (p. 193). 

 Fig. 3. Shell, seen from left side, X 25. 



4. „ „ above, x 25. 



5. Postabdominal ramus, x 84. 



Cyprinotus dentato-marginatus (p. 196). 

 Fig. 6. Shell, seen from left side, X 40. 



7. Anterior margin of the right valve, x 84., 



Cypris virens (p. 192). 

 Fig. 8. Shell, seen from left side, x 16. 



Cyprinotus fragilis (p. 196). 

 Fig. 9. End of second foot, X 240. 

 10. Postabdominal ramus, x 90. 



Cypris flexilis (p. 192). 

 Fig. 11. Outline of shell, seen from right side, X 10. 



12. Antenna, X 40. 



13. Maxilliped, x 40. 



14. Foot of first pair, x 40. 



15. Postabdominal ramus, X 40. 



Sarsiella ornithoides (p. 189). 

 Fig. 16. Shell, seen from left side, X 55. 



17. „ „ above, x 55. 



18. Antennule (imperfect), x 60. 



19. Inner branch of antenna, X 320. 



20. Portion of one of the antennal setie, x 320. 



21 . Postabdominal lamina, x 240. 



Aster ope lichenoides, $ (p. 180). 

 Fig. 22. Shell, seen from left side, X 16. 



23. „ „ above, x 16. 



24. Inner branch of antenna, X 50. 



Cyclasterope similis, ? (p. 183). 

 Fig. 25. Outline of shell, seen from right side, x 12. 



26. Last two joints of antennule, x 55. 



27. Joints and first seta of antenna, x 55. 



28. Inner branch of antenna, X 84. 



29. Maxilla of first pair, x 40. 



