PLATE LXVII. 



Polycope orbicularis (female). 



Figure 



1. Antennule. 



2. Antenna. 



3. First maxilla. 



Polyeopsis compressa (female). 



4. Antennule and frontal cilia. 



5. Mandible and palp. 



6. Caudal lamina. 



7. Teeth of anterior margin of shell, x 200. 



8. Sculpture of shell, x 200. 



Polycope punctata (female). 



9. Shell, seen from left side, x 60. 



10. Antennule. 



11. Part of mandible and palp (a seta broken;. 



12. Part of caudal lamina. 



Cytherella abyssorum. 



13. Second maxilla, male. 



14. Third 



Cytherella serrulata. 



15. Abdomen and tail, female. 



16. ,, with copulatory organ, male. 



[ 782 ] 



