Nichols — A List of the Marine Mollusca of Ireland. 503 



V. Aran I. and Birterbuy Bay (Baiiee, f. Forbes & Hanley, '53): 

 between Bunowen and Slyne Head (Welch, '96) : Dog's Bay, 

 Connemara, fry very common (Marshall, '99). 

 vi. Bundoran (Waller Coll. in Dublin Mns.). 

 Distrihution. — Norway to Mediterranean. 



Cyclostrema nitens (Philippi). 



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



i. 0:ff Ballycastle, living (Chaster, '97a) : north of Ireland (Jeffreys, 



'65) : off the Maidens (Waller Coll. in Dublin Mus.) : Turbot 



Bank, dredged sand (Jeffreys, f. Hyndman, '59) : Strangford 



Lough (Waller Coll. in Dublin Mus.). 



ii. Dublin Bay (Waller, f. Kinahan, '61) : east of Ireland (Jeffreys, '65). 



iii. South of Ireland (Jeffreys, '65): R. I. A. Exp., 1885, 1886, 



Glandore Harbour, 4 fms., and off S. coast of Cork, 30-54fms. 



(Chaster, '98). 



iv. E. I. A.Exp., 1885, 1886, Ballinskelligs Bay, and 5-40 fms. 



(Chaster, '98). 

 V. West of Ireland (Jeffreys, '65) : Roundstone (D'Arcy W. Thomp- 

 son) : between Bunowen and Slyne Head (Welch, '96). 

 vi. Killala Bay, rare (Miss A. Warren, '92) : JSTarin Strand, co. 

 Donegal (G. P. Farran) : Mulroy Bay, dead (Praeger, '94). 

 Bistrihution. — Shetland to Mediterranean. 



[^Cyclostrema tenerum, Jeffreys.] 

 .... v., . 

 v. "Porcupine" Exp., 1869, 816 fms., a single, but living specimen 

 (Jeffreys, '83). 

 Distribution. — West of Ireland. Deep water. 



Family. — Tkochid^. 



TrochococMea lineata (Da Costa). [Troclms lineatus, Jeffreys, B. C.) 



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



Not found on the E. coast of Ireland further north than Bally- 



walter, co. Down (Thompson, '56) : W. coast as far north as Donegal 



Bay (Jeffreys, '65 ; &c.) : Narin, co. Donegal (Mrs. Tatlow, '99). It 



appears to be very rare on the E. coast ; and locally distributed, but 



not uncommon on rocks, stones, &c., between tide-marks on the S. 



andW. coasts. 



Yar. minor, Jeffreys. Aran I., co. Galway (Jeffreys, '65). 

 Distriiution. — S. England, Wales, and Ireland to Mediterranean. 

 Mogador. 



