PLATE L V. 



Cypridina mediterranea, female. 



Figure 



1 . Antennule ; (a) eye. 



2. Portion of eye more highly magnified. 



3. Terminal joints of antennule and portions of setae more highly magnified. 



4. Antenna. 



5. Base of an antennal seta, with spine. 



6. Mandibular foot. 



7. MaxiUa of first pair. 



8. ,, second pair. 



9. „ third pair. 



] 0. Extremity of vermiform limb. 



11. Caudal lamina. 



Polycope orbicularis, female. 



12. Animal seen from left side ; left valve removed. 



13. Mandible and palp. 



14. Second maxiUa, with branchial lamina. 



15. Branchial lamina of the same, separated. 



16. One of the caudal laminae. 



[758] 



