640 Proceedings of the Royal Irish Academy. 



Venus ovata, Pennant. 



i., ii., iii., ir., v., yi, 



Yery common all round the coast, and at all depths. 

 Distribution. — Iceland, Finmark to Mediterranean. Azores. W. 

 Africa, " Talisman " (Locard). 



Lucinopsis imdcda (Pennant). 



i., ii., iii., iv., y., vi. 



i. jSIagilligan (rare, Miss H. Gfalwey, '88 ; fresh specimens, 

 Eev. J. D. Palkiner, f. Praeger) : Portrush, a fresh specimen 

 (Miss Richardson, f. Praeger, '89) : oif Ballycastle, living 

 (Chaster, '97a): Belfast Lough and off Maidens, dead (Synd- 

 man, '58, '59) : Belfast Lough (Brown, '18 ; Grrainger, '59) : 

 off White Head, valves united (Swanston, f. Praeger, '89) : 

 Cultra, a dead valve (Praeger). 



ii. Dublin coast, generally distributed on sandy shores. 



iii. Toughal (Ball, f. Thompson ms.) : Cork (Humphreys, '45) : off Cape 

 Clear, 30 fms., living (M'AndrcTV, f. Porbes & Hanley, '53). 



iv. South of Calf I. (A. E. IS..) : Bantry Bay (Humphreys, '45 ; 

 M'Audrew Coll., f. Cooke, '82) : Yentry Harbour (More, '70) : 

 R. I. A. Exp., 1885, 1886, 5-48 fms. (Swanston, '86, Chaster, 

 '98). Yar. mqualis^ Jeffreys. Bantry Bay (Humphreys, f. 

 Jeffreys, '63). 



V. Birterbuy Bay (Farran, f. Thompson ms.) : Killary Bay (Thomp- 

 son, '56) : "Porcupine" Exp., 1869, 183 fms. (Jeffreys, '81). 

 Yar. ventrosa, Jeffreys. Aran I. (Barlee, f. Jeffreys, '63). 



vi. PuUaheeny, one valve (Miss A. "Warren, '92) : Buncrana, &c. 

 (Hart, '92) : Rathmullan and Buncrana (Rev. J. D. Ealkiner, 

 f. Praeger). 

 Distribution. — Einmark to Mediterranean. Mogador. 



Tapes virgmeus (Linne). 

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



Frequent in sand and among nuUipores. 



Yar. sarniensis, Turton. Generally distributed. Yar. elongata, 

 Jeffreys. Larne (Hyndman, f. Jeffreys, '63) : Belfast Lough (Belfast 

 Mus., f. Praeger, '89) : Bantry Bay (Jeffreys. '63). 



Distribution. — Finmark to Mediterranean. 



