PLATE LVI. 



Dactylopus flavus. 



Fig. 1. Adult male. 



2. Anterior antenna, female. 



3. Anterior antenna, male. 



4. Second foot-jaw. 



5. First foot, female. 



6. First foot, male. 



7. Third foot. 



8. Fifth foot, female. 



9. Fifth foot, male. 



10. Tail of female. 



11. Tail of male. 



Dactylopus tenuiremis. 



12. Anterior antenna. 



13. Inner branch of posterior antenna. 



14. Mandible and palp. 



15. Second foot-jaw. 



16. Firstfoot. 



17. Fifth foot. 



18. One of the tail segments. 



Metridia armata. 



19. End of right anterior antenna of male. 



20. Inner branch of second foot of male. 



