186 LIVERPOOL MARINE BIOLOGY COMMITTEE REPORT. 



Section I. — Orthonemida, Hincks. 



Family IV. — Vesiculariid^. 

 Genus Vesicularia (part). J. V. Thompson. 



Syn. Sertularia, Linn , Pallas, &c 

 Valkeria, Flem., &c. 



Only contains one British species. 



Vesicularia spinosa, Linnaeus. 



Silk coralline, Ellis. 



Sertularia spinosa, Linn., Ellis and Sol., Lamk. 



This species is very common in our area. 



Menai Straits, Llandudno, Lytham, Isle of Man (Hincks). 

 Liverpool (Landsborough). Blackpool (Pennington). Hilbre 

 and New Brighton (Marrat). Colwyn Bay (Walker). 



Dredged in large quantities in fourteen fathoms about six 

 miles from Great Orme's Head, in the " Hyaena " expedition. 



Genus Amathia, Lamouroux. 



Syn Sertularia (part), Lint), &c. 



Serialaria, Lamk. (1816), Flem., Johnst., &c. 



Only one British species. 



Amathia lendigera, Linnaeus. 



Nit coralline, Ellis. 



Sertularia lendigera, Linn., Pall., &c. 



Serialaria lendigera, Lamk., Johnst, Couch, Landsb., Alder, &c. 



Very common. 



Llandudno, Menai Straits, Isle of Man (Hincks) ; Pen- 

 maenmawr, dredged by Mr. Thompson ; Blackpool (Pen- 

 nington) ; West Kirby, on shore (Lomas) ; Puffin Island and 

 Hilbre Island (Marrat) ; Beaumaris (Walker) ; Anglesea 

 (Forbes) ; Holyhead (Higgin). 



Dredged in Hilbre Swash, "Merry Andrew " Expedition 

 (ten to eleven fathoms), and in the hole off Point of Air, 

 " Spindrift" Expedition. 



