204 NEW OR IMPERFECTLY-KNOWN OSTIUCODA. 



PLATE XXII. 



Codonocera cruenlu, $ (p. 188). 



Fi^. ]. Shell seen from left side, x 25. 

 :l. „ ,, above, x 25. 



3. Antenna with internal (prehensile) branch and first swimmiiig-seta 



(the other setie omitted), x 84. 

 3 a. Armature of claw, x 240. 



4. Mandibular; foot, x 60. 



f). Maxilla of second pair, x 115. 



(). End of vermiform limb, with seta2, x 2 JO. 



7. Postabdominal laminae, x 60. 



8. Suctorial seta of antennule, X 200. 



9. Suctorial discs of the same, x 440. 

 10. Copulatory organs. 



' [v.d., vasa deferentia.) 



Cypridina insolita, 2 (p. 184). 



Fig. 11. Shell seen from right side, x 16. 



12. Inner branch of antenna, x 1^5. 



13. First swimming-seta of antenna, x 115. 



14. End of vermiform limb, x 84. 



Cypridina foveolata, ? (p. 184). 



Fig. 15. Shell seen from right side, x 16. 



16. „ „ above, X 16. 



17. Process of mandibular foot, x 120. 



18. End of vermiform limb, x 84. 



19. Postabdominal laminae, X 40. 



Cypridinodes favus, $ (p. 187). 



Fig. 20. Shell seen from left side, x 16. 



21. „ „ above, x 16. 



22. Last two joints and setae of antennule, x 300. 



23. One of the swimming-setae of antenna, x 240. 



24. Inner branch of antenna, x 115. 



25. Mandibular foot, x 55. 



26. Maxilla of first pair, x 55. 



26 a, b. Setas of the same, x 300. 



27. Maxilla oi second pair, x 84. 



27 a, b, c. Setaj of the same, x 300. 



28. Maxilla of third pair, x 84. 



29. End of vermiform limb, x 120. 



30. Postabdominal lamin;v, x 55. 



31. Eye, x 84. 



