178 LIVERPOOL MARINE BIOLOGY COMMITTEE REPORT. 



Man), also found on wood near Spanish Head. Not 

 previously recorded in this locality. 



Genus Porella, Gray. 

 Syn. Cellepora (part), Fleming. 



Eschara (part), Sars., Busk, Alder, Smitt, &c. 

 Hemeschara (part), Norman, &c. 



Contains five British species. 



Porella concinna, Busk. 



Lepralia concinna, Busk, Hincks. 

 Porella Icevis, Smitt. 

 Lepralia belli, Dawson. 



Isle of Man (Hincks). 



Porella compressa, Sowerby. 

 Milleptora compressa, Sow. 



Cellepora cervicornis, Flem., Johnst., Couch, Busk, Alder. 

 Eschara cervicornis, Busk, Hincks, Smitt, &c. 



Dredged off Spanish Head, 20 fathoms, by Professor 

 Herdman. Very fine specimen, not previously recorded. 



Genus Smittia, Hincks. 

 Syn. Eschara (part), Auctt. 



Lepralia (part), Jolinst., Busk, &c. 



Seven British species. 



Smittia landsborovii, Johnston. 



Lepralia Landsborovii, Johnst., Busk, Hincks. 

 Eschara Landsborovii, Alder. 

 Lepralia crystallina, Norman. 



Found off the Great Orme's Head (erect form) (Hincks), 

 and on a piece of wood from the Isle of Man. 



Smittia reticulata, Macgillivray. 



Lepralia 7'eticula, Macgill., Johnst., Busk, &c. 



Dredged by Prof. Herdman off Spanish Head, Isle of 

 Man (twenty fathoms), on Pecten. Not previously recorded 

 in this district. 



