PLATE XXIa. 
Fig. 1. Brush-shaped bristle, from the dorsal series of the twentieth foot 
of Eunice harvicensis, . . , . 
Fig. 2. Compound bristle, from the same foot, .... 
Fig. 3. Posterior hook of the foregoing, ..... 
Fig. 4. Compound bristle (nearly developed and unworn), from the ventral 
border of the twentieth foot of Eunice pycnohranchiata, 
Fig. 5. Inferior hook, from the same, ..... 
Fig. 6. Compound bristle of Eunice trihrancliiata. 
Fig. 7. Inferior hook of the same, ...... 
Fig. 8. Compound bristle, from the superior group in Eunice hassensis, 
Fig. 9. Inferior hook, from the same species, .... 
Fig. 10. Compound bristle, from Eunice (fragment) from Bermuda, 
Fig. 11. Posterior hook of the same species, .... 
Fig. 12. Brush-shaped bristle, from the dorsal series of the foregoing Eunice, 
Fig. 13. Compound bristle, from the same species, .... 
Fig. 14. Inferior spine (corresponding to the hook) of the same. 
Fig. 15. Hook, from one of the posterior feet of Hyalinoecia henthaliana, 
Fig. 16. Bifid bristle, from the first foot of a dried example of the same, 
Fig. 17. Bifid bristle, from the first foot of Nothria minuta, 
Fig. 18. Hooks, from the twentieth foot of the same. 
Fig. 19. Worn bifid bristle, from the first foot of a large example oi Nothria 
sombreriana. The wings have been broken off. 
Fig. 20. More perfect bristle, from the same foot of a young specimen. 
Fig. 21. Tip of an anterior dorsal bristle (simple) from the same. 
Fig. 22. Brush-shaped bristle from the foregoing, .... 
Fig. 23. Hook, from the twentieth foot of the same. 
Fig. 24. Bifid bristle, from the first foot of Nothria tenuisetis, 
Fig. 25. Hook (superior), from the twentieth foot of the same. 
Fig. 26. Hook (superior), from the posterior region of the foregoing, one wing 
being bent downward, ..... 
Fig. 27. Bifid bristle ^ (probably slightly worn), from the first foot of Nothria 
abranchiata, ....... 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
210. 
X 
210. 
X 
210. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
90. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
350. 
X 
90. 
^ It is weU to bear in min'd that Farrant’s solution obliterates many of the markings toward the tip. 
