PLATE IV. 



i —3. Euphrosyne sibogae Horst. 



1. Parapodium of Euphrosyne sibogae. X 50. 



!. ] il bristle of the same species. Highly magnified. 



. c. Ventral bristles of the same. Highly magnified. 



Figs. 4 — 6. Euphrosyne obiensis Horst. 



Fig. 4. Parapodium of Euphrosyne obiensis. x 20. 



Fig. 5. Tip of a dors. il bristle o!" the same species. 225. 

 I'ip of a ventral bristle of the same. •' 225. 



Fig. 7. Euphrosyne maculata Horst. 

 . 7. Dorsal view of the anterior extremity of Euphrosyne maculata. > 16. 



