PLATE XVIII. 



Fig. I. Ventral bristle of Paralepidonotus boholensis (Gr.). X 130. 



Fig. 2. Dorsal bristle of the same species. X 130. 



Fig. 3. Parapodium of Albnaniella arafiirensis Horst. X 17. 



Fig. 4. Ventral bristle of the same species. X 90. 



Fig. 5. Dorsal bristle of the same species. X 90. 



Fig. 6. Anterior segments of Albnaniella ptycholcpis (Gr.). X 29. 



Fig. 7. Parapodium of the same species. X 48. 



Fig. 8. Dorsal bristle of the same species. X 450. 



Fig. 9. Ventral bristle of the same species. X 450. 



Fig. 10. Parapodium of Albnaniella sp. (Stat. 240). X 49. 



Fig. II. Ventral bristle of the same species. X 450. 



Fig. 12. Dorsal bristle of the same species. >' 450. 



