PLATE XI. 



Fio-. I. Dorsal view of the head of AphroditcUa malayana Horst. X i8. 



Fio-. 2. Ventral view of the posterior segments of the same species. X 4V2 



Fig. 3. Ventral bristle of the same species. X 93. 



Fig. 4. Dorsal view of the head of Aphroditella limosa Horst. X 22 '/a- 



Figs. 5 and 6. Ventral bristles of the same species. X 130. 



Fig. 7. Dorsal bristle of the same species. X 360. 



Fig. 8. Dorsal view of the head of Aphroditella sibogae Horst. X 22 '4. 



Figs. 9, a and b. Superior ventral bristles of the same species. X 37- 



Fig. 10. Inferior ventral bristle of the same species. X 200. 



Fig. II. Dorsal view of the head oi Aphroditella decipiens Horst. X 2272- 



Fig. 12. Ventral bristle of the same species. X 130. 



Fig. 13. Dorsal view of the head of Aphroditella mongolica Horst. X 22 '/j. 



Figs. 14 and 15. Ventral bristles of the same species. X 130. 



Fig. 16. Dorsal bristle of the same species. X 200. 



