654 Proceedings of the Royal Irish Academy. 



ii. Portmarnock, valves (Adams, '78; Hart, '92) : nearHowth, a few 

 valves (Hart, '92): Dublin Bay, rare (Brown, '18): Merrion 

 Strand (Walpole, '53a) : Wexford (Hart, '92) : Cahore, co. 

 Wexford (Miss Massy). 



iii. Woodstown, near Dunmore (Dublin Mus., coll. by Mrs. Tatlow) : 

 Clonea, near Dungarvan, in a submerged bog, living, numerous 

 (Farran, '60): Youghal (Ball, f. Thompson, '56): Ballycottin, 

 iu turf, living (S. Wright, '54). 



iv. Kenmare Eiver (Praeger, '99) : Dingle (Cockerell, '85). 



V. Birterbuy Bay (Parran, f. Thompson, '56). 



vi. Buncrana (Hart, '92 ; llev. J. D. Ealkiner, f. Praeger). 



Distribution. — ? Norway. British Isles to Mediterranean. Mogador. 



Pholas 2^arva, Pennant. 



i. Whitehouse Point, Belfast Lough (Ordnance collectors, f. Thomp- 

 son, '56) : in submerged peat, co. Down side of Belfast Lough, 

 dead (Drummond, f. Hyndman, '58). 



ii. Portmarnock, single valves, formerly (Miss Willan, f. Hart, '92) : 

 Dublin Bay (Warren, f. Jeffreys, '65). 

 Bidri'bution. — British Isles to Mediterranean. 



Pholas crispata., Linne. 



i., ii., iii. . . . 



i. Castle Chichester (Swanstou, f. Praeger, '89) : Belfast Lough 

 (Brown, '18 ; &c.) : Bangor, co. Down, (S:c., in submerged peat, 

 living (Hyndman, '58) : Cultra, living (Praeger, '89). 



ii. An estuary near Dublin, fine examples (Forbes & Hanley, '53) : 

 Portrane, single valves (Hart, '92): Malahide (Walpole, '53a; 

 J. Adair, f. Adams, '78) : Portmarnock (Brown, '18; Walpole, 

 '53a; Hart, '92) : near Lambay I., large specimens trawled, in 

 decayed wood (Ball in Nat. Hist. Eev., i., 1854 {Froc), p. 98) : 

 Dublin Bay (Kinahan, '61) : Cahore, co. Wexford (Miss Massy). 



iii. Clonea, near Dungarvan, in a submerged bog, living, numerous 



(Farran, '60) : Youghal (in hard clay, Humphreys, '45 ; Ball, f. 



Thompson, '56) : Ballycottin (in hard clay, Humphreys, '45 ; 



in turf, living, S. Wright, '54; Miss Ball, f, Thompson, '56). 



Distribution. — Iceland. Finmark to France. IST. E. America. 



W. America. N. Japan. 



