Explanation of Plate XI. 



{Hyalinaecia, Oiwpliis, Dlopatra). 



Fig, 1. Dorsal view of the anterior extremity of Hyalinaecia tiibicola 



(Müll.) 8/1. 

 Fig. 2. Setose bristle of same. 175/1. 

 Fig. 3. Pectinate bristle of same. 550/1. 

 Fig. 4. Hook of same. 175/1. 

 Fig. 5. Dorsal view of the anterior extremity of Onuphis conchylega 



Sars. 8/1. 

 Fig. 6. Setose bristle of same. 320/1. 

 Fig. 7. Hook of same. 220/1. 

 Fig. 8, Tip of a bristle from first parapodium of Onuplds geopMli' 



formis (Moore). 550/1. 

 Fig. 9. Hook from 40th parapodium of same. 390/1. 

 Fig. 10. Dorsal view of the anterior portion of OniipTds Jiolohranchiata 



Marenz. 4/1. 

 Fig. 11. Compound bristle of same. 320/1. 

 Fig. 12. Hook of same (from 3rd parapodium). 320/1. 

 Fig. 13. Setose bristle from 20th parapodium of Biopatra sugoJcai 



u. sp. 115/1. 

 Fig. 14. Pectinate bristle of same. 320/1. 

 Fig. 15. Bristles from first parapodium of same. 115/1. 

 Fig. 16. Yentral view of mandibles of same. 12/1. 



