188 LIVERPOOL MARINE BIOLOGY COMMITTEE REPORT. 



Form elongata. Fleetwood, on a buoy; Lytham, 

 extremely abundant (Hincks). 



Family V.— Buskiid^. 

 Syn. Vesicularidce Alder. 



Genus Buskia, Alder. 

 Only one British species. 



Buskia nitenSy Alder. 

 Llandudno (Hincks). 



Family VI. — Cylindr(eciid^. 

 Syn. Vesicula7'iada part), Busk, Alder, Hincks. 



Genus Cylindrceciumf Hincks. 



Syn. Farrella (part), Busk. Gosse, Hincks. 

 Avenella, Alder, Hincks, Gosse. 



Contains three British species. 



C ylindroecmm dilatatum, Hincks. 



Farrella dilatata, Hincks. 

 Farrella fusca, Busk. 



Llandudno ; Isle of Man (Hincks). 



Dredged off Port Erin (ten to fifteen fathoms) by Prof. 

 Herdman. 



Genus A7igumella, Van Beneden. 

 Only one British species. 



Anguinella palmata, Van Beneden. 

 Hilbre Island (Herdman). 



Family VII. — Triticellid.^:. 

 Not yet found in our district. 



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