172 LIVERPOOL MARINE BIOLOGY COMMITTEE REPORT. 



Membranipora lineata, Linnaeus. 



Flustra lineata, Linn., Johnst. 

 Callopora lineata, Gray. 



Common in the Isle of Man. Forms rounded patches 

 on Laminaria, 



Memhranipora craticulay Alder. 



Flustra lineata. Couch. 



Membranipora lineata forma craticula, Smitt. 



Very abundant on shells dredged off Maughold Head, 

 Isle of Man (Hincks). 



Membranipora spinifera, Johnston. 

 Flustra lineata (part), Johnston. 

 Isle of Man, between tide marks (Hincks). 



Membranipora flemingiij Busk. 



Membranipora membranacea (part), Johnst. 

 Common, and widely distributed (Hincks). 



Membranipora dumerilii, Audouin. 



Membranipora membranacea (part), Johnst. 

 Membranipora Jlemingii, Busk, B M. Cat. 

 Membranipora pouilletii, Alder, Busk, Crag Polyzoa. 



Isle of Man (Hincks). 



Membranipora rosselii, Audouin. 

 Flustra rosselii, Aud., Savigny. 

 Off Maughold Head, Isle of Man (Hincks). 



Membranipora aurita, Hincks. 



Found on a piece of wood near Spanish Head, Isle of 

 Man. Not previously found in our area, and the only other 

 localities are Devon and Cornwall (Hincks), Antrim (Hynd- 

 man), Northumberland (Alder), and Brighton on flints 

 (Lomas). 



Family IX. — Microporid-s:. 



MembraniporidcB (part), Busk. 



