010 Pi-oceediiigs of the Boijal In'.'^h Acddemy. 



ii. Carlingford Lough (Praeger, '89) : Portrane, scarce (PTart, '92) r 

 Malahide, one or two specimens (Lloyd, f. Thompson, '56) r 

 Portmarnock, very rare (Warren, f. Thompson, '56), 

 iv. In or near Bantry Bay (M'Andrew, f. Thompson, '56) : Kerry 



(Dublin Mus.). 

 T. Birterbuy Bay (Farran, '45 ; ^Valpole, '52) : Roundstone (Dublin 



Wus.). 

 vi. Near Eathmullan, Loiigh Swilly, rare (Hart, '92). 

 Bistrilution. — Pinmark to Mediterranean. Canaries. 



Modiolus modiolus (I;inne). {Mytihis modiolus, Jefireys, B.C.) 



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



i. Generally distributed and common. Yar. ovata, JeiSreys. Co. 



Antrim (Jeffreys, '63). 

 ii. Dublin coast, commou : Courtown, co. "Wexford (Mrs. Tatlow). 

 Yar. ovata. Portmarnock (Jeffreys, '63). Yar. umbilicata, 

 Pennant. Dublin Bay, rare (Brown, '18). 



iii. Cork Harbour, common (Humphreys, '45). Yar. umlilicata. Cork 

 Harbour (Humphreys, f. Jeffreys, '63) : Cove, co. Cork, plenti- 

 ful (Turton, '19). 



ir. Coast of Kerry (More, '70) : E. I. A. Exp., 1885, mouth of Ken- 

 mare River, 48 fms. (Chaster, '98). 



V. Roundstone (Alcock,'65) : Achill I. (Mrs. Tatlow & Praeger, 

 '98): R. D. S. Pish. Survey, 1890, 1891, Blacksod Bay (Holt, 

 '92). 



vi. Killala Bay (Miss A.Warren, '92) : Donegal, common (Hart, '92). 

 JDistrihition. — Iceland. Pinmark to Brittany. ]^. E. America. 



Bering Strait to California and Japan. 



Modiolus harlatus (Linne). {Mytilus harlatus, Jeffreys, B.C.) 



iii. Dungarvan, living (A. R. IS".) : Toughal, very rare (Ball, f. 



Thompson, '56). 

 V. Birterbuy Bay (Barlee, f. Thompson, '56) : R. D. S.Pish. Survey, 

 1890, Roundstone, valves (Jordan) : Roundstone (Dubliu 

 Mus.) : Killary and Clew Bays, 3-12 fms. (Thompson, '56). 

 vi. Killala Bay, occasionally (Miss A. Warren, '92). 



Distrilidion. — S. and W. England, 'Wales, and Ireland to Mediter- 

 ranean. Japan, "Challenger." 



