PLATE XXVIIL 
Fig. 1. 
Fig. 2. 
Fig. 3. 
Fig. 4. 
Fig. 5. 
Dorsal view of the head and anterior region of Genetyllis oculata, . Enlarged. 
Dorsal aspect of Alciopa antarcticcG .... Enlarged. 
Head and anterior dorsal region of the same, 
Ventral view of the foregoing region, 
Dorsal aspect of Greeffia oahuensis. 
Still further magnified. 
Similarly magnified. 
Enlarged. 
Fig. 6. Head and anterior region of the same, viewed from the dorsum, 
Fig. 7. Ventral aspect of the foregoing. 
More highly magnified. 
Similarly magnified. 
Fig. 8. 
Dorsal aspect of the head and anterior region of Alciopa quadri- 
ocidata. The feet were quite pulpy and membranous from 
decay, so that they are only indicated in the drawing. 
Enlarged. 
^ The Alciopidse were in an indifferent condition. 
