PLATE XXVIII. 



Fier. I. Spine-like bristle of Eupolyodontcs amboinensis Mal. & Deh. X i6o. 



Fig. 2. Pencil-bristle of the posterior segments of the same species. X i6o. 



Fig. 3. Pencil-bristle of the anterior segments of the same species, x 160. 



Figs. 4 and 5. Dorsal and ventral view of the anterior segments of Polyodontes sihogae n. sp. X 22. 



Fig. 6. Fragment of a scale of the same species. X SO- 



Fig. 7. Second parapodium of the same species, x 50. 



Fig. 8. 20'ïi parapodium of the same species. X 50. 



Fig. 9. Pseudo-penicillate bristle of the same species, x 360. 



Fig. 10. A spine (seta aristata) of the same species. X 360. 



