PLATE CXXIV. 



Fig. 

 A. Slightly winged bristle of Pectinaria belgica, Pallas, from the " Porcupine/' 1870. 



X oc. 2, obj. A. Enlarged. 

 1 a. Hook. X oc. 4, obj. F. 

 ,1 b. Tip of anterior bristle with spear-like end. X oc. 2, obj. D. 



1 c. Tip of palea. x oc. 2, obj. A. 



2_and 2'. Palese of example from the Hebrides. X oc. 2, obj. A. 

 i/2 a. Bristle of the third region of Amphictene auricoma, 0. F. Midler, x oc. 4, obj. D. 

 *Jzb. Caudal hook. X oc. 2, obj. D. 



2 c. Hook. X oc. 4, obj. F. 



3. Tip of palea of Lagis Koreni, Malmgren. X oc. 4, obj. A, with draw-tube. 



3 a. Hook. X oc. 4, obj. F, with full draw-tube. 



3 b. Modified anterior bristle. X oc. 4, obj. A, with 2-in. draw-tube. 



3 c. Winged bristle. X oc. 4, obj. A, with draw-tube. 



4. Palea of Ampharete acutifrons, Grube. X oc. 4, obj. A, with draw-tube. 



4 a and 4 a'. Winged bristles. X oc. 2, obj. A. 



4 b. Slightly winged anterior bristle. X oc. 2, obj. D. 



4 c. Hook from example procured in St. Andrews Bay (probably different species). 



X oc. 2, obj. D. 

 4 d. Hook of specimen from Guernsey. X oc. 2, obj. D. 



4 c". Hook from Canada (probably different), x oc. 4, obj. D. 



5. Palea of Amphicteis Gunneri, Sars, from Tangiers Bay. X oc. 2, obj. A. 



5 a. Winged bristle. X oc. 2, obj. D. 



5 b and 5 V. Hooks. X oc. 2, obj. D. 



6. Slightly winged bristle of Samytha sexcirrata, Sars. X oc. 2, obj. D. 



6 a. Hook. X oc. 4, obj. F. 



7. Slightly winged bristle of Sabellides octocirrata var. britannica, McL, from Loch 



Portan, Lochmaddy. X oc. 4, obj. A. 



7 a and 7 a\ Anterior hooks. X oc. 4, obj. D. 



7 b. Posterior hook. X oc. 4, obj. D. 



— ITand 8 a. Hooks of Amage auricula, Malmgren. X oc. 4, obj. F. 



8 b. Anterior bristle. X oc. 4, obj. A. 



9. Slightly winged bristle of Samytha equitis (near Amage). X oc. 4, obj. D, with 1-in. 

 draw-tube. 



9 a. Hook. X oc. 4, obj. F, full draw-tube. {Vide p'. 82.) 



10. Tip of oar-shaped bristle of Sabellaria spinulosa, Leuckart. X oc. 4, obj. A, with 



2-in. draw-tube. 

 10 a. Oar-shaped bristle of Sabellaria spinulosa, Leuckart. X oc. 2, obj. A. 

 10/;. Spiked bristle. X oc. 4, obj. D. 



