652 Proceedings of the Royal Irish Academy. 



Solen vagina, Linne. 



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



i. Magilligan (Thompson, f. Forbes & Hanley, '53): Larne Lough, 

 a specimen (Thompson, '56) : ofl Bangor, co. Down, dead 

 (Patterson, f. Eorbes & Hanley, '53 ; Hyndman, '58). 

 ii. Dublin coast, generally distributed. 

 iii. Cork Harbour (Humphreys, '45) : sandy beaches of co. Cork 



(Thompson, f. Forbes & Hanley, '53). 

 iv. Bantry Bay, &c. (Humphreys, '45). 



V. "Western coasts, Ireland (Brown, '44) : Eoundstone (Standen, '95). 

 vi. Lough Swilly, one perfect specimen (Hart, '92). 



Distrihution. — Norway to Mediterranean. Azores. Cape of Good 

 Hope (Sowerby). ? Bed Sea. 



Family. — Gltcimeeid^. 



Saxicavella plicata (Montagu). {Panopea pUcata, Jeffreys, B. C.) 



. . iii., iv., [v.], vi. 



iii. K. I. A. Exp., 1885, ofE Baltimore, 30 fms. (Chaster, '98). 



iv. Bantry Bay (Walpole and Jordan, f. Jeffreys, '69) : B. I. A. Exp., 



1885, 1888, Berehaven, 7 fms., and mouth of Kenmare Biver, 



38-44 fms. (Chaster, '98, A. R. N.). 

 V. "Porcupine" Exp., 1869, 165-183 fms. (Jeffreys, '81). 

 vi. " Porcupine " Exp., 1869, Donegal Bay, 25-40 fms. (Jeffreys, 



'81) : Mulroy Bay, valves, dredged (Darbishire, f. Praeger, '94). 



Distribution. — Loffoden I. to Mediterranean. Madeira. Canaries. 

 Off Sahara, " Talisman." Corea (Marshall). 



Saxicava rugosa (Linne). 

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



Generally distributed round the coast from low- water mark to great 

 depths, and very common ; also var. arctica, Linne. 



Yar. prcecisa, Montagu. Killala Bay (Miss A. "Warren, '92). Var. 

 pholadis, Linne. Valentia (Cockerell, '87) : Killala Bay (Miss A. 

 "Warren, '92). Yar. cylindrica, S. "\Yood. "West coast of Ireland 

 (Marshall, '97). 



Distrihution. — Cosmopolitan. 



