PLATE LXIV. 



Fig. 



1. Dental apparatus of Onuphis conchylega, Sars. Prom the ' Knight Errant.' X 30. 

 la. Mandibles. X 30. 



2. Dental system of Onuphis quadricuspis, 0. Pabr. x 30. 

 2a. Mandibles. X 30. 



3. Head of Onuphis (Diopatra) fragosa, Ehlers. Enlarged. 

 3a. Dental apparatus. X Zeiss oc. 2, obj. A. 



3b. Portion of tube (of mud) from Norway. Enlarged. 



4. Ventral surface of the head of Onuphis sicula, De Quatref. Enlarged. 

 4a. Dental apparatus of the foregoing. X as before. 



4b. Mandibles of the same. X as before. 



4c. Tube of the same from Plymouth. Enlarged. 



5. Head of Hyalinoecia tubicola, 0. P. M., from the mouth of Bantry Bay. Enlarged. 

 ha. Dental apparatus. X 21. 



hb. Hyaline tube containing annelid. Enlarged. 



6. Anterior end of Goniada maculata, (Erst. Enlarged. 

 6a. The same with proboscis extruded. Enlarged. 



6b. B,ow of V-shaped denticles of the proboscis. X 100. 



6c and 6c' . Intermediate small denticles, x Zeiss oc. 2, obj. D. 



6d. Larger denticle somewhat palmate in outline. X Zeiss oc. 2, obj. D. 



7. First and part of second region of the body of Ghjcinde Nordmanni, Mgrn. Enlarged, 

 7a, Tail. Enlarged. 



7b. Smaller denticles of Glycinde Nordmanni. x Zeiss oc. 2, obj. D. 



7V and 7b" . Larger denticles. X Zeiss oc. 2, obj. D., with 1 in. draw-tube. 



8. Proboscis (exserted) of Glycera siphonostoma, D. Oh., from Balta. Enlarged. 

 8a. Tip of a regenerated tail in an example from Herm. Slightly enlarged. 



9. Tooth of Glycera capitata, (Erst. X 380. 



9a. Tooth of Glycera lapidum, De Quatref. X 350. 



