PLATE LXXXIV. 



Fig. 



1. Dorsal bristle of Nematonereis unicornis, Grrube, from St. Peter Port, Guernsey. 



X Zeiss oc. 2, obj. D, full draw-tube. 

 1 a. Posterior hook, x 350. 

 1 b. Falcate bristle. X Zeiss oc. 4, obj. F. 



1 c. Brush-shaped bristle from a posterior foot. Zeiss oc. 2, obj. D. 



2. Dorsal bristle of Lysidice punctata, Risso. X Zeiss oc. 2, obj. D. with 3-in. draw- 



tube. 



2 a. Falcate bristle. X Zeiss oc. 2, obj. D, with 3-in. draw-tube. 



2 a/. Falcate bristle of the tenth foot. X Zeiss oc. 2, obj. D, with 3-in. draw-tube. 



3. Falcate bristle of the first foot of Onuphis britannica, Mel. The folds of the two 



wings make a complex tip. X 200. 



3 a. Simple winged bristle from the twentieth foot. X 200. 



3 b. Brush-like bristle from the twentieth foot. X Zeiss oc. 2, obj. F. 



3 c. Powerful hook from the same segment. X 200. 



4. Dorsal bristle of Onuphis brevibrachiata, Ehlers. X Zeiss oc. 2, obj. D. 



4 a. Ventral bristle. X Zeiss oc. 2, obj. D. 



4b. Powerful winged hook from the twentieth foot. X Zeiss oc. 2, obj. D. 

 4c. Brush-like bristle (anterior). X Zeiss oc. 4, obj. D. 



5. Falcate bristle of first foot of Onuphis conchylega, Sars. Wings have been abraded. 



X Zeiss oc. 2, obj. D. 



5 a. Developing bristle (in the tissues), showing wings. X Zeiss oc. 2, obj. D. 

 5 b. Dorsal bristle. X Zeiss oc. 2, obj. D. 



5 c. Ventral hook. X Zeiss oc. 2, obj. D. 



6. Bristle of the first foot of Onupjhis (Diopatra) fragosa, Ehlers. X Zeiss oc. 2, obj. D. 



6 a. Dorsal bristles of the twentieth foot. X Zeiss oc. 2, obj. D. 



6 b. Ventral hook, x Zeiss oc. 2, obj. D. 



7. Falcate bristle from the anterior region of Onuphis sicula, De Quatref. X 700. 



7 a. Another example of the foregoing. X Zeiss oc. 2, obj. D. 



7 b and 7 c. Dorsal bristles, the former with just a trace of a wing, x Zeiss oc. 2, obj. D., 

 with draw-tube (full). 



7 d. Posterior hook. X 700. 



8. Falcate bristle of the first foot of Hyalinoecia tubicola, O. F. Mull, (small example). 



X 200. 



8 a. Dorsal bristle (anterior region). X Zeiss oc. 2, obj. D. 



8 b. Brush-like bristle of the same region. X Zeiss oc. 2, obj. D. 

 8 c. Powerful winged hook from the eightieth foot. X Zeiss oc. 2, obj. D. 

 Sd. Lower bristle of the dorsal series with broad wings, from the eighth foot. X Zeiss 

 oc. 2, obj. D. 



9. Hook of Lysidice punctata, Risso. X Zeiss oc. 2, obj. D. with draw-tube. 



