PLATE CX. 



Fig. 



1. Capillary bristle of Isocirrus DA from Montrose Bay. X oc. 2, obj. A. 

 1 a. Hook of the foregoing, x oc. 4, obj. D. 



2. Hook of Proclymene Millleri, Sars, from the coast of Northumberland. X oc. 2, obj. A. 



4. Capillary bristle of Axiothella catenata, Mgrn. X oc. 4, obj. D, with draw-tube. 



4 a. Hook of the same. X oc. 4, obj. D. 



5. 5 a. Dorsal bristles of Arwidssonia zetlandica, Mel. X oc. 2, obj. A, with draw-tube. 



5 b. Larger spine of the second series. X 420. 

 5 c. Middle spine of the same series. X 420. 



5 d. Hook of the foregoing. x 420. 



6. Dorsal bristle of Asychis biceps, Sars. X oc. 4, obj. A, with draw-tube. 



6 a. Hook of the same. X oc. 4, obj. A, with full draw-tube. 



7. Dorsal bristle of Asychis Jeffreysii, Mel. X oc. 4, obj. A, with draw-tube. 

 la. Portion more highly magnified. X oc. 4, obj. D. 



7 b. Hook of the same. X oc. 4, obj. D. 



8 and 8'. Spiked and simple bristles of Maldane Sarsi ? X oc. 4, obj. D. 



8 a. Portion of the spiked bristle more highly magnified. X oc. 4, obj. F. 



8 b. Winged bristle of the second foot with peculiar curvature. X oc. 4, obj. D. 



8 c. Hook of the foregoing. X oc. 2, obj. D. 



9. Dorsal bristle of Owenia fusiformis, Delle Chiaje. X oc. 2, obj. F. 



9 a. Hook of the same. X oc. 2, obj. F. 



9 b. Hook of a Neapolitan example. X oc. 2, obj. F. 



10. Dorsal bristle of Myriochele Heeri, Malmgren. X oc. 4, obj. F. 

 10 a. Hook of the foregoing. X oc. 4, obj. F, with full draw-tube. 



11. Capillary bristle of Spio like D. Deep sea fishing off St. Andrews Bay, October, 



1868. X 200. 



13. Hook of Nicomache maculata, Arwidsson. X oc. 4, obj. D. 



14. Dorsal bristle of Isocirrus planiceps, Sars. X oc. 2 obj. D, with draw-tube. 



15. Posterior capillary bristle of Gsesicirrus neglectus, Arwidsson, from the third bristled 



segment. X 440. 

 lb a. Tips of capillary bristle from the thirteenth segment of the same. X 500. (Both 

 after Arwidsson.) 



