PLATE LXIIL 



Pig. 



1. Dental apparatus of Marphysa sanguined, Mont. X 15. 

 la. Mandibles. X 15. 



2. Dental apparatus of Marphysa Belli, Aud. and Ed. X 15. 



3. Dental apparatus of Eunice vittata, D. Ch. (=limosa, Ehlers), from G-alway. X Zeiss 



oc. 2, obj. A. 

 3a. Mandibles. X Zeiss oc. 2, obj. A. 



4. Dental apparatus of Eunice norvegica, L. Prom Norway. X about 30. 

 4a. Mandibles of ditto. X 55. 



5. Dental apparatus of Nematonereis unicornis, Grrube. Incomplete. X 21. 

 ha. Mandibles (unfortunately imperfect). X 21. 



6. Dental apparatus of Lysidice Ninetta, Aud. and Ed. X 20. 

 6a. Mandibles. X 20. 



7. Head of Onuphis britannica, Mel. Enlarged. 

 la. Dental apparatus. X 50. 



7b. Mandibles. X 50. 



7c and 7cl. Tubes of this species composed of shells and secretion. Enlarged. 



8. Dental apparatus of Onuphis brevibrachiata, Ehlers. X 20. 

 8a. Mandibles. X 20. 



9. Dorsal view of Onuphis conchylega, Sars, in its tube. Enlarged. 



10. Head aud anterior region of Onuphis brevibrachiata, Ehlers, after figure by Ehlers 



(Taf. Ill, fig. 2). Enlarged. 

 10(2. Ventral surface of the same, after Ehlers. Enlarged. 



