PLATE XII. 
Fig. 1. Dorsal view of Hermadion herguelensis. The single large long 
median cirrus below the anus is absent in the specimen 
figured, ....... 
Fig. 2. Polyeunoa IcBvis. From the dorsal aspect, 
Fig. 3. Polynoe ocellata. Dorsal aspect, . . • 
Enlarged. 
Enlarged. 
Enlarged. 
