PLATE LXV. 



Fig. 



1. Terminal region of the extruded proboscis of Glycera alba, H. Rathke. Enlarged. 



2. Anterior end of Glycera Goesi, Mgrn. (somewhat contracted). Enlarged. 

 2a. Proboscis extruded. Enlarged. 



3. Head of Aricia norvegica, Sars. Enlarged. 



4. Head of Scoloplos armiger, 0. F. M. Enlarged. 



4a. Tip of tail, from Symbister Harbour, Shetland. Enlarged. 



5. Dorsal view of the head of Naidonereis quadricuspida, 0. Fabr. Enlarged. 

 5a. Ventral view. Enlarged. 



6. Head of Eteone pusilla, (Erst. Enlarged. 



7. Head of Eunice floridana, Pourtales. X about 15. 

 7a. Upper dental apparatus of the foregoing. X 12. 

 7b. Mandibles of the same. X 15. 



8. Upper dental apparatus of Lumbriconereis impatiens, Clap, x about 21. 

 Sa. Mandibles of the foregoing. X 15. 



9. Foot of Nematonereis unicornis, Grrube. X 90. 



10. Proboscis of Magalia perarmata, Mar. and Bobr., from the figure given by these 



authors. Enlarged. 



11. Upper dental apparatus of Marphysa Belli, Aud. and Ed. X 50. 

 11a. Mandibles of the foregoing. X 50. 



12. Upper dental apparatus of Lumbriconereis Nardonis, Aud. and Ed. x 50. 

 12a. Anterior region of the mandibles of the same. X 50. 



13. Upper dental apparatus of Onuphis britannica, McL, in which reproduction of the 



maxilla3 has occurred. X Zeiss oc. 2, obj. A. 



14. Ninetieth foot of Marphysa sanguinea, Mont. X 55. 



15. View of the mouth and adjacent parts of Hyalinoecia tubicola, 0. F. M., from life. 



Enlarged. 



16. Foot of Exogone gemmifera, Pag., after Viguier. 



17. Mandible of Staurocephalus rubrovittatus, Grrube. X Zeiss oc. 2, obj. D. 



18 and 18a. Isolated teeth of Staurocephalus Kefersteinii, McL X Zeiss oc. 4, obj. 0. 



