Nichols — A List of the Marine MoUusca of Ireland. 559 



iii. Cork (Humphreys, f. Jefeeys, '67): E. I, A. Exp., 1886, off S. 

 coast of Cork, 521 fms., dead (A. E. K). 



Bistrilution. — Finmark to Mediterranean. Morocco, " Travailleur" 

 (Locard). 



T. larvicensis is probably only a variety of T. mtiricatiis. 



Trofhon datlirahis (Linne). {T. truncatus, Jeffreys, B. C.) 



i. Magilligan (Hyndman, f. Thompson lis.) : off Ballycastle, living 

 (Chaster, '97a): off Lame Lough, 20 fms., off Black Head, 

 25 fms., and off the Maidens, 70-90 fms., living (Hyndman, 

 '59): Belfast Lough, 6-10 fms., living (Hyndman, '58): Bel- 

 fast Lough (Dublin Mus., coll. by E. L. Praeger) : Turbot Bank 

 and off the Maidens, &c., dead (Hyndman, '58, '59) : Strang- 

 ford Lough, 7-20 fms., and off entrance, 12-15 fms., dead, 

 rare (Dickie, '58). Yar. ff/5«, Jeffreys. Off Ballycastle, living 

 (Chaster, '97a). 

 ii. Trawled off Skerries (Walpole, '52): Dublin Bay (Turton, '19; 

 "Walpole, '53a ; Kinahan, '61 ; A\^arren, f. Adams, '78) : 

 east of Ireland (Jeffreys, '67). 

 iii. Ardmore (Mrs. Mackesy, f. Thompson hs.) : Youghal (Ball, f. 

 Thompson lis.) : south of Ireland (Leach, '52 ; Jeffreys, '67) : 

 E. I. A. Exp. 1885, 1886, off S. coast of Cork, 30-52^ fms. 

 (Chaster, '98). Var. alia. E. I. A. Exp., 1885, off Baltimore, 

 30 fms., a live specimen (Chaster, '98). 

 iv. South-west Ireland (Leach, '52): " PorcuxDine " Exp., 1869, 85 

 fms. (Jeffreys, '77) : E. I. A. Exp., 1885, 4-80 fms. (Swanston, 

 '86, Chaster, '98). 

 V. Eoundstone (Standen, '95). 



All the above records refer to var. truncata, Strom. 

 Bistrilution. — Arctic seas in both hemispheres to British Isles, 

 !N'ew England, and Japan. 



Ocinelra crinacea (Linne). {Murex erinaceus, Jeffreys, B. C.) 



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



i. North of Ireland, dead, frequent (Praeger, '89) : Belfast Lough, 



deep water, living, rare (Hyndman, '58) : off Eoekport, Belfast 



Lough, 3 fms., living (Praeger, '89) : Cultra, living (Praeger). 



ii. Warrenpoint, living, common (Miss Smythe, f. Praeger) : Dublin 



coast, generally distributed : Greystones (Mackintosh, '84). 



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