PLATE XII. 



Fig. [. Dorsal view of the head of Aphroditella floresiana Horst. X 22 '/2- 



Fig. 2. Dorsal bristle of the same species. X 72. 



Fig. 3. Tip of a dorsal bristle of the same species highly enlarged. X 440. 



Figs. 4, a and b. Ventral bristles of the same species. X 72. 



Figs. 5, a and b. Ventral bristles of a young specimen of the same species. X 360. 



Fig. 6. Dorsal view of the head of Hermione moliiccana Horst. X 19. 



Fig. 7. Glochideal dorsal bristle of the same species. X 29. 



Fig. 8. Tip of a glochideal dorsal bristle of the same species highly enlarged. X 126. 



Fig. 9. A short dorsal bristle of the same species. X 29. 



Fig. 10. A" ventral bristle of the same species. X 72. 



Fig. II. Tip of a glochideal dorsal bristle o{ Hermione malleata Grubc. X 126. 



Fig. 12. A short dorsal bristle of the same species. < 10. 



Fig. 13. A ventral bristle of the same species. X 72. 



Fig. 14. Tip of a glochideal dorsal bristle of Hermione parva Horst. X 175. 



Fig. 15. A short dorsal bristle of the same species. X 93. 



Figs. 16, a and b. Ventral bristles of the same species. X 93- 



Fig. 17. Tip of an uncinate dorsal bristle of Halogenia arenifera Horst. X 175. 



Fig. 18. Tip of a glochideal dorsal bristle of the same species. X 175. 



Fig. 19. Ventral bristle of the same species. X 175. 



Fig. 20. Tip of an uncinate dorsal bristle of Halogenia concliifera Horst. X 175. 



Fig. 21. Tip of a ventral bristle of the same species, x 175- 



