PLATE XIII. 
Fig. 1. Dorsal view of Lagisca antarctica, . . . . 
Fig. 2. Dorsal aspect of Lagisca crosetensis. Most of the cirri and scales 
are absent, ....... 
Fig. 3. Dorsal aspect of the head of Har^nothoe benthaliana, 
Fig. 4. Head and anterior dorsal region of Eulagisca corrientis, 
Fig. 5. Dorsal aspect of the head and anterior region of Lagisca magel- 
lanica, ....... 
Fig. 6. Dorsal view of the anterior end of Polynoe magnipalpa, with the 
proboscis partly extruded, . . . . . 
Fig. 7. Similar view of Scalisetosus ceramensis (imperfect), 
Fig. 8. Anterior dorsal view of Lagisca (?) kermadecensis (imperfect). 
Enlarged, 
Enlarged. 
Enlarged. 
Enlarged. 
Enlarged. 
Enlarged. 
Enlarged, 
Enlarged. 
