650 Proceedings of the Royal Irish Academy. 



ii. Portraarnock (Lloyd, f. Thompson, '56; Adams, '78): Howth 

 (Tardy, f.Turton, '19) : DublinBay, single valves (Kinahan, '61). 

 iv. Bantry Bay, common. 



V. Off Birterbuy Bay (Farran, '55) : Eoundstone (Alcock, '65). 

 Distrihution. — Shetland to llediterranean. Madeira. Canaries. 



Sohnociirtus antiquatus (Pulteney). [Solecurtus antiquatus, Jeffreys^ 



B.C.) 

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

 i, Red Bay and Larne Lough (Thompson, '56) : off Black Head, 20 

 fms., dead, but valves fresh and united (Hyndman, '58) : off 

 Black Head, 15 fms., dead (Hyndman, '59): Turbot Bank, 

 dead, rare (Hyndman, '58): Strangford Lough, 8-10 fms., 

 (Thompson, '56) : Strangford Lough, 4-25 fms., and off 

 entrance, 12-15 fms., dead (Dickie, '58). 



ii. Dublin coast (Ball, f. Thompson, '56) : off Skerries, trawled 

 (Walpole, '52): Portmarnock (Brown, '18): Dublin Bay(Tur- 

 ton, '19, sub Solen fragilis ; Brown, '44) : Dalkey Sound (Wal- 

 pole, '53; valves, Kinahan, '61): Killiney Bay (Walpole, '53). 



iii. E. I. A. Exp., 1885, off Galley Head, 54 fms. (Chaster, '98). 



iv. Bantry Bay (Leach, '52): E. I. A. Exp., 1886, Berehaven, 5-10 

 fms., and Yalentia Harbour, 4-7 fms. (Chaster, '98, A. R. N.). 



Y. Off Birterbuy Bay (Earran in Proc. IS. H. S., Lublin, i., 1860, 

 p. 148). 



Distrihution. — Sweden to Mediterranean. Morocco, "Talisman" 

 (Locard). Madeira. Canaries. 



CeratisoUn legumen (Linne). 

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



i. Magilligan (Dublin Mus. ; Grainger, f. Praeger) : Belfast Lough, a 

 single valve in the lighthouse deposits (Millen, f. Grainger, '59) • 

 possibly recent : !N".E. Ireland, dead, very rare (Praeger, '92). 



ii. j!!>rewcastle, co, Down (Belfast Mus. and Swanston, f. Praeger, 

 '89): coast of Louth (Thompson, '56) : Dublin coast (Brown, 

 '18; &c.) : plentiful on the east coast from Belfast to Cork 

 (Brown, '44) : east of Ireland (Jeffreys, '65) : Cahore, co. 

 Wexford (Miss Massy). 



iii. South of Ireland (Leach, '52; Jeffreys, '65). 

 iv. Bantry Bay (Humphreys, '45). 

 V. West of Ireland (Jeffreys, '65) : Eoundstone (Standen, '95). 



