Nichols — A Lid of tJie Marine Mollusca of Ireland. 593 



Pamily. — PiEUEOPHTLiiDiiD^. 



PleuroplvjUidia Loveni, Bergh. 



. . . iv., . . 



iv. E. T. A. Exp., 1888, Long Island Sound, 4 fms. (A. E. N.): 

 Bantry Bay (Nichols, '93). 

 Distribution. — Norway to Englisli Channel. 



Family. — Tettois^iii)^. 



Tritonia Somlergii, Cuvier. 



i., ii., . iv., . . 



i. Belfast Longh (lE'Calla, f. Thompson ms.). 



li. Off Howth (Ball, f. Thompson ^56 ; Dublin Mus.) : Dublin Bay 



(Hassall, '42; Kinahan, '61): Greystones (Mackintosh, '84). 

 It. E. D. S. Fish. Survey, 1891, Dingle Bay, 40 fms. (Holt, '92). 

 Distrilution. — Norway to Mediterranean. 



Tritonia pleleia, Johnston, 

 i., . iii., ... 

 i. Belfast Lough (M'Calla, f. Thompson irs.). 

 iii, Cork Harbour, (Ball and Forbes, f. Thompson, '56). 

 Distrihition. — Norway to Mediterranean. 



Family. — D oeidid^ . 



Archidoris tuherculaf a {Cnyiev). {Boris tulerciilata, Jeffreys, B. C.) 



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



i. Belfast Lough (Templeton and Drummond, f. Thompson, '56) : 



Drumnasole (Dublin Mus.).^ 

 ii. Dublin coast, generally distributed, 

 iii. Toughal (Ball, f. Thompson, '56) : Courtmacsherry Harbour, 



common (Allman, f. Thompson, '56): Baltimore (A. E. N.) : 



S. coast of Ireland (Leach '52). 

 iv. E. L A. Exp., 1888, Long Island Sound, 4 fms. (A. E. N.) : 



Bantry Bay (Dublin Mus.) : E. D. S. Fish. Survey, 1890, off 



the Skelligs, 52-62 fms. (A. E. N.) : Yalentia (Gamble, '96) : 



" Eesearch" Trawling Cruise, 1889, 70 fms. (Bourne, '90). 

 V. Kilkee (Dublin Mus., coll. by G. Y. Dixon) : Eoundstone 



(Thompson ms.). 

 vi. E. D. S. Fish. Survey, 1891, Broadhaven Bay (A. E. N.). 

 Bistrihdion. — Finmark to Mediterranean. ? N. E. America. 



^ Camckfergus (M'Skimin in '• History of Caiiigfergus," 2nd ed.). 



