452 NEW OE IMPEBFECTLY-KNOWN SPECIES OE 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, d , X 210. 



Cythere truncula, p. 444. 

 Fig. 16. Shell, seen from left side, 1 



, X 84 

 Fig. 17. „ „ above, J 



Trachyleheris 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, <j , X 210. 



Fig. 23. „ first pair, $ , X 210. 



Fig. 24. „ third pair, 6 , X HO. 



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



