PLATE LXXXVII. 



Lichomolgus arenicolus. 



Fig. 1. Adult male. 



2. Anterior antenna, female. 



3. Mandible; a, maxilla (?). 



4. Anterior foot-jaw, 



5. Posterior foot-jaw of male. 



6. Foot of first pair. 



7. Foot of fifth pair. 



Acontiophorus armatus.* 



8. Anterior antenna. 



9. Posterior antenna. 



10. Mandible. 



11. Maxilla. 



12. First foot- jaw. 



13. Second foot- jaw. 



14. Siphon. 



15. Abdomen and fifth foot. 



* In the inscription of the Plate, for Solenostoma armatum read 

 Acontiophorus armatus. 



