PLATE m. 



1. Male. 



2. Antennule. 



3. Maxilliped. 



4. Male fifth pair of feet. 



9. Female 



10. Abdomen. 



11. Maxilliped, 



Potomoichetor fucosus. 



5. Palp of mandible. 



6. End of abdomen. 



7. Feet of first pair. 



8. Eye, 



Cyclops ater. 



12. Antenna. 



13. Maxilla of Potomoichetor fttcoms. 



14. Mandible of '* " 



