Explanation of Plate XII. 



[Onuphis, Eunice, etc.). 



Fig. 1. Bifid bristle from first parapodium of Onupliis maero- 



hrancliiata (McTntosli). 220/1. 

 Fig. 2. Hook from 20tli parapodium of same. 220/1. 

 Fig. 3. Maxillary apparatus of the same. 20/1. 

 Fig. 4. Bifid bristle from 4tli parapodium of Omix^his ciri'o- 



brancJiiata Moore. 250/1. 

 Fig. 5. Hook from 26tli parapodium of same. 250/1. 



Fig. 6. Funuel-sliaped bristle from lltli parapodium of same. 340/1. 

 Fig. 7. Mandibles of Eunice vittata (D. Ch.). 20/1. 



Fig. 8. Compound bristle of same. 320/1. 



Fig. 9. Hook of same. 175/1. 



Fig. 10. Compound bristle of Eunice gracilis Moore. 495/1. 



Fig. 11. Hook of same. 320/1. 



Fig. 12. Posterior view of a parapodium of Polynos pleiolepis Marenz. 



18/1. 



Fig. 13. Ventral bristle of same. 220/1. 



Fig. 14. Dorsal 



Fig. 15. „ „ „ Harmothoë yedosnsis (Mclntosli). 220/1. 



Fig. 16. Ventral „ „ same. 220/1. 



Fig. 17. Dorsal ,, „ ScaUsetosus formosus Moore. 415/1. 



Fig. 18. Inferior ventral bristle of same. 415/1. 



Fig. 19. Superior 



