Nichols — A List of the Marine MoUusca of Ireland. 649 



Corhda gilha (Olivi). 

 i., ii., iii., iv., v., vi. 



Common all rouml the coast in the laminarian zone and deeper 

 •water. 



Yar. rosea, Bro-wn. OfP Dublin Bay (Walpole, '53) : Dalkey Sound, 

 living (Adams, '60): "Porcupine" Exp., 1869, 808 fms. (Jeffreys, 

 '81): E. I. A. Exp., 1885, S.W. Ireland, 70-79 fms. (Swauston, '86). 



Dutribution. — Finmark to Mediterranean. Canaries. 



Corhulomya mediterrcmea (Costa). ( Corhda mediterranean Jeffreys, B.C.) 



. . iii., . . . 

 iii. Cork, valres only (Humphreys, f. Jeffreys, '65, '81) ; the 

 specimens may have been imported in ballast with Petricola 

 lithophaga (Jeffreys, '65). 

 Distribution. — Channel Isles. S. Ireland. Mediterranean. 



Lutraria elliptica., Lamarck. 



i., ii., iii., iv., v., vi. 



Common all round the coast in sand and mud in the laminarian zone. 

 Var. alterutra, Jeffreys. Coast of Galway (King, f. Jeffreys, '63). 

 Distribution. — Norway to Mediterranean. 



Ltitraria oblonga (Chemnitz). 

 i., ii., iii., iv., . . 

 i. Magilligan (Il3mdman, f. Thompson, '56). 

 ii. Specimens supposed to be from Lambay I. are in Warren Coll. in 



Dublin Mus. 

 iii. About Cove, rare (Turton Cat., f. Thompson, '56). 

 iv. Bantry Bay (Humphreys, '45). 



Distribution. — S. England and Ireland to Mediterranean. Mogador. 

 Senegal. C. Yerd I. Cape of Good Hope (Sowerby). 



Eamily. — Solenid^. 

 Solenocurtus candidus (Renier). (Solecurtus candidus, Jeffreys, B.C.) 



i., ii., . iv., v., . 

 i. Magilligan, two single valves (Grainger, f. Praeger): TurbotBank 

 sand, dead (Hyndman,'60): Strangford Lough (Waller Coll. in 

 Dublin Mus.) : off entrance to Strangford Lough, 12-15 fms., 

 dead, very rare (Dickie, '58). 



