PLATE Oil. 



Fig. 



1. Ventral bristle of Sclerocheilus minutus, Grube. X oc. 2, obj. D., with draw tube. 



2. Strong ventral bristle of Brada villosa, H. Rathke. ' Knight Errant.' X oc. 2, obj. D. 



2 a. Ventral bristles of the third series of the foregoing. x oc. 2, obj. A. 



3. Bristle of Flabelligera BusJcii, Mel. X oc. 2, obj. A. 



3 a. Hook of the foregoing, x oc. 2, obj. A. 



3 b. Tip of the hook more highly magnified. x 350 diam. 



4. Bristle of a closely allied Atlantic form dredged by the 'Porcupine,' 1869 (var. affirtis). 



X oc. 2, obj. A. 



4 a. Hook of the foregoing. X oc. 2, obj. D. 



5. Capillary bristle of Chsetopterus variopedatus, Renier, with terminal hook. Prom St. 



Andrews. X oc. 2, obj. D, with draw-tube. 



5 a and 5 a. Capillary bristles of a specimen from the coast of Cornwall. X oc. 2, obj. A, 



with draw-tube. 

 5 b. Bristle of the foregoing species with slightly developed spear-tip. X oc. 2, obj. A, 



with draw-tube. 

 5 c. Similar form from St. Andrews. X oc. 2, obj. A, with draw-tube. 

 5 d. Further modifications of the paddle-like tip from Cornwall. X oc. 2, obj. A. 

 5 e and bf. Knife-like bristle from the same species. (Guernsey and Herm.) X oc. 2, 



obj. A. 

 5 q. General arrangement of the bristles in the foot of an example of the same species 



from South Africa, x about 60. 



5 h and 5 i. Tooth-like bristles from the fourth foot of G. variopedatus, the former from 



Cornwall, the latter from Herm. X oc. 2, obj. D. 

 hj and 5 h. Anterior hooks of the same species from St. Andrews. X oc. 4, obj. D. 



6 and 6 a. Paddle-like bristles of Phyllochsetopterus gracilis, Grube, off Cape Einisterre, 



' Porcupine,' 1870. Reduced from drawing made under X oc. 2, obj. D. 



6 b. Knife-like bristle of the same species. X oc. 2, obj. D. 



7 and 7 a. Capillary bristles of Nerine foliosaa, Sars. X 180 diam. 

 7 b. Hook of the foregoing in lateral view. X oc. 4, obj. D. 



7 c. The same in antero-posterior view. X oc. 4, obj. D. 



