RADI AT A. 



E C H I N O D E R M A T A. 



ORDER PINNIGRADA. 



Orinoidece. 



Genus COMATULA. 

 C. rosacea Link (sp.)- 



Belfast Bay, Strangford and Larne Loughs, J. V. Thompson (Cork Har- 

 bour). See Forb. Brit. Echm., p. 14 — 16, and Introduction, p. xii. 

 Abundant on " Dalkey Sound, and about Ireland's Eye," Dr. Ball, 1828. 



SionDier, 183.5. Dr. Ball and I took (by dredging) the Comatiila 

 abundantly off Ireland's Eye, and the Peidacriniis ■with it; this latter 

 being in every instance attached to the fronds of Delesseria samjuinea. 

 J. V. Thompson found the Pentacriiuis on the stems of Zoophytes. 



Once taken at Courtmasherry Harbour by Dr. Allman. Mr. M'Calla in- 

 dicates it as found in Roundstone or Birterbuy Bay. 



ORDER SPINIGRADA. 



OpliiuridcB. 



Genus Ophiura. 



O. textiirata, Lam. 



North of Ireland, Mr. Templeton. 



Xcicrasfle, Co. Doicn, 1851. — I saw remains of it in the fishing-boat8 : 

 they attach themselves to the lines, and are brought up. 



Common at Dublin, and Youghal, Dr. Ball. Al)undant on South- 

 West coast, Cork, Prof. Allman. " Cork Harbour,"' Mr. Humphi'eys. 



O. alhida, Forbes. 



Taken alike on the open coast and bays of County Down. Dredged 

 from 8 to 10 lathoms at Donaghadee by Dr. Drummond. I have more 

 than once taken a number of this species, and no other, from stomachs of 

 haddock captured in the open sea ; so there would seem to be favourite 

 banks for it there as in Strangford Lough. Two specimens dredged at 

 Killery (3 to 12 fatlioms), 1840, and Clifden Bay, Roundstone, or Bir- 

 terbuy Bay, Mr. M'Calla. Dublin coast. Dr. Hassall. 



Jamianj 'IQth, 1848. — The stomach of a haddock was filled with brok- 

 en Oph. rosidd, excepting space occupied l)y four specimens of O. alhidn, 

 all of which were perfect to the extremity of the arms. I think this 



