516 Proceedings of the Royal Irish Academy. 



iv. "Porcupine" Exp., 1869, 85-808 fms. (Jeffreys, '85): R.I.A. 

 Exp., 1885, Berehaven, 5-25 fms., and moutli of Kenmare 

 Eiver, 38-48 fms. (Chaster, '98). 

 V. Eirterbuy Bay, living (Walpole, '52) : Galway coast (Barlee, f. 

 Eorbes & JEanley, '53) : "Porcupine" Exp., 1869, 165-208 

 fms. (Jeffreys, '85): E.D.S. Eish. Survey, 1890, 1891, Black- 

 sod Bay (Holt, '92). 

 vi. E.D.S. Eish. Survey, 1890, Inver Bay (Holt, '92). 

 Bistrihutioji. — Iceland. Einmark to Mediterranean. 



[_Ltinatia angulata (Jeffreys).] 



iv. "Porcupine " Exp., 1869, 251-539 fms. (Jeffreys '85). 



Bistrihution. — Atlantic Ocean and Mediterranean. Deep water, 



\_Natica affitiis (Grmelin).] 



iv. R.I. A. Exp., 1888, 750 fms., one young specimen, dead (de- 

 termined by Gr. "W. Chaster). 

 Distribution. — Arctic seas in both hemispheres to S. W. Ireland, 

 New England, and ]^. Japan. ? Mediterranean. 



Eamily. — Lamellaeiid^. 



Lamellaria perspicua (Linne). 



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



i. Off Ballycastle, living (Chaster, '97a) : north of the Maidens, 

 80 fms., living (Hyndman, '60) : off Ballygalley Head, 15-25 

 fms., one specimen, dead (Hyndman, '59) : Belfast Lough, 

 living on Laminari^, rare (Hyndman, '58) : Strangford Lough 

 (Hyndman and Thompson, f. Thompson, '56) : off entrance to 

 Strangford Lough, 12-15 fms., dead, very rare (Dickie, '58). 



ii. Coast of Down (Brown, '44) : Portmarnock (Adams, '78 ; "Waller 

 Coll. in Diiblin Mus.) : Dublin Bay (Turtou, '19; Hassall, 

 '42 ; rare, Walpole, '53a). 



iii. Cork Harbour (Humphreys, '45) : Courtraacsherry Harbour 

 (Allman, f. Thompson ars.) : Baltimore Harbour, living 

 (A.E.K). 



iv. Bantry Bay (Jeffreys, f. Eorbes & Hanley, '53) : E.I.A, Exp., 

 1885, 1886, Long Island Sound, 3^-5 fms., and Ballinskelligs 

 Bay (Chaster, '98). 



