PLATE XXXVII. 



Fig. 



1. Papillae of the tip of the proboscis in Aphrodita aculeata. X 55. 



2. Papillae of the proboscis of Lsetmatonice filicomis. X 55. 



3. Papillae of the proboscis of Lsetmatonice producta. X 40. 



4. Papillas of the proboscis of Hermione hystrix. X 55. 



5. Tip of tentacle of Hermione hystrix. X 55. 



6. Second bristle of the second foot of Hermione hystrix. x 90. 



7. Ventral bristle (at ventral edge) of the same foot of Hermione hystrix. X 90. 



8. Smaller bristle from the posterior foot of Hermione hystrix. X 90. 



9. Ventral bristle of Lepidonotus squamatus. X 80. 



10. Ventral bristle from the middle of the twelfth foot of Lepidonotus squamatus . X 210. 



11. Ventral bristle from the middle of the twelfth foot of Lepidonotus clava. X 210. 



12. One of the short dorsal bristles of Lepidonotus squamatus. X 180. 



13. One of the longer bristles of Lepidonotus squamatus. X 280. 



14. Group of bristles at the base of the tentacular cirri (first foot) of Lepidonotus clava. 



X 210. 



15. Dorsal bristle of Lepidonotus clava. X 210. 



16. Superior ventral bristle of Gattyana cirrosa. X 258. 



17. Ventral bristle from the middle of the foot of Gattyana cirrosa. X 258. 



18. Dorsal bristle of the middle of the foot of Gattyana cirrosa. X 210. 



19. Bristle from the base of the tentacular cirri of Gattyana cirrosa. X 210. 



20. Tip of upper bristle of the first foot of Eunoa nodosa. X 210. 



21. Tip of the upper bristle of the first foot of Eunoa (Erstedi. X 210. 



22. Ventral bristle of the first foot of E. nodosa. X 210. 



23. One of the smaller ventral bristles of the first foot of Eunoa (Erstedi. X210. 



24. Tip of a dorsal bristle (average example) from an anterior foot of Eunoa nodosa. 



X 350. 



25. Tip of a dorsal bristle (average example) from an anterior foot of Eunoa (Erstedi. 



X 350. 



26. Dorsal bristle of Eunoa nodosa (coast of Durham). X 210. 



27. Ventral bristle of Eunoa nodosa (coast of Durham). X 210. 



28. Tip of a dorsal bristle of Acanthicolepsis asperrima. X 210. 



29. Ventral bristle of Acanthicolepsis asperrima. X 210. 



30. Tip of another example in Acanthicolepsis asperrima, showing minute process. X 350. 



31. Tip of one of the longer dorsal bristles of Lagisca floccosa. X 350. 



32. Tip of a median ventral bristle of the same. X 350. 



33. Tip of a bifid dorsal bristle of Emphrosyne liohertsoni. X 350. 



