452 NEW OK IMPEEFECTLT-KNOWN SPECIES OF OSTEACODA. 



Fig. 10. Portion of shell-margin, X 250. 

 Fig. 11. Antennule, X 210. 

 Fig. 12. Mandible and palp, X 210. 

 Fig. 13. Foot of first pair, X 210. 

 Fig. 14. „ third pair, x 210. 

 Fig. 15. Copulative organ, cJ , X 210. 



Cythere truncula, p. 444 



Fig. 16. Shell, seen from left side, 

 Fig. 17. „ „ above. 



X 84. 

 Trachyleberis scabrocuneata, p. 444. 



Fig. 18. Antennule, X 110. 



Fig. 19. Last four joints of antennule, X 250. 



Fig. 20. Antenna of female, X 180. 



Fig. 21. Branchial plate of mandible, X 210. 



Fig. 22. Leg of first pair, 6 , X 210. 



Fig. 23. „ first pair, ? , X 210. 



Fig. 24. „ third pair, 6 , x 110. 



Fig. 25. Prsecrural appendage, 2 , X 210. 



