39 



11. FLUSTRA SECURIFRONS (Pallas). F. truncata Linn. 

 In the laminarian and coralline zones ; abundant. Alder (a). 

 Very common from Stations III. and IX. Also found at 



Stations I., II., IV. and V. Washed up in great quantities at 

 Cullercoats. 



Ooecia. — May, June, September and October. 

 Var. PAPYRACEA (Dalyell) Cullercoats. Alder. 



12. CARBASEA SOLANDERI, Norman. C. papijrea Pallas. 

 From deep water, frequent. Alder (a). 



Only one colony has been dredged, and that from Station I. 



SCRUPOCELLARIID.E . 



13. SCRUPOCELLARIA REPTANS (Linnams). Cellularia rep- 



tans {Linn.). 

 On Flustra foliacea and other zoophytes, on Fuci and stones 

 from within tide marks to deep water ; frequent. Alder (a). 



In rock pools, Cullercoats, and very commonly from Stations 

 I., III., IV., V., VI. and IX., on similar habitats and on crabs. 

 Ooecia. — May to October. 



14. SCRUPOCELLARIA SCABRA (Van Beneden). Scrupo- 



cellaria delilii (Audouin). 

 From the deep water boats. Alder (d). 



15. SCRUPOCELLARIA SCRUPOSA (Linna3us). Cellularia 



scruposa (Linn.). 

 Parasitical on other zoophytes, Laminariae, shells, &c 3 from 

 within tidal range to deep water ; common. Alder (a). 

 Dredegd from every Station except IX. 



Ooecia. — September and October. 



16. SCRUPOCELLARIA SCRUPEA, Busk. Cellularia scrupea 



(Busk). 



From the deep-water boats a single small specimen. Alder (a). 



17. BUGULOPSIS PEACHII (Busk). Cellularia peachii, Busk. 

 Numerous specimens from the five-men boats. Alder (a), (b). 

 Occurred twice on shells from Stations VII. and VIII. 



