PLATE XXV, 



Fig. 



1. Lepidonotus squamatus, L., from the dorsum. Enlarged. 



2. Head of the foregoing in life. Enlarged. 



3. A large specimen of Gattyana (Nychia) cirrosa, Pall., from the dorsum. Enlarged. 



4. Harmothoe longisetls, from the dorsum. Enlarged. 



5. Dorsum of a living example of Halosydna gelatinosa, Sars. Enlarged. 



6. Head of Harmothoe imbricata, L. Enlarged. 



7. Anterior end of a large example of Polynoe scolopendrina, Sav., from North TJist. 



Enlarged. 



