PLATE XL 
Fig. 1. Dorsal aspect of Lepidonotus ivahlbergi, . . . . 
Fig, 2, Dorsal view of Lepidonotus cristatus, . . . . 
Fig. 3. More highly magnified dorsal view of the head and anterior region 
of the same. 
Enlarged. 
Enlarged. 
Fig. 4, Polynoella levisetosa. From the dorsal aspect, . . . Enlarged. 
Fig. 5. Dorsal view of the head and anterior region of Hermadion her- 
guelensis, ...... Somewhat enlarged. 
Fig, 6. Posterior extremity of Eunoa mindanavensis. From the dorsal 
aspect, . . ..... Enlarged. 
