Nichols — A List of the Marine Mollusca of Ireland. 575 



Tornatina truncattSa (Bruguiere). ( Zltriculus truncatulus, 

 Jeffreys, B. C.) 



i., ii., iii., iy., v., vi. 



i. Magilligan (Belfast Mus., f. Praeger, '89): off Ballycastle, living 



(Chaster, '97a): Turbot Bank, dead (Hyndman, '58, '59): 



Twin I. in Belfast Harbour (Swanston, f. Praeger, '89) : 



Groomsport, shell-sand (Praeger). 

 ii. Portmarnock (Adams, '78; Hart, '92) : Dublin Bay (Turton, '19 ; 



Waller, f. Kinahan, '61) : Dalkey Sound (Warren Coll. iu 



Dublin Mus.). 

 iii. R. I. A. Exp., 1885, 1886, Glandore Harbour, 4 fms., Longli 



Hyne, and off S. coast of Cork, 30-52|- fms. (Swanston, '8G, 



Chaster, '98, A. E. K). 

 iv. Dingle Bay, 54 fms. (Adams, f. More, '70) : R. I. A. Exp., 1885, 



1886, shallow water to 79 fms. (Swanston, '86, Chaster, '98). 

 V. Birterbuy Bay, dead (AValpole, '52) : Roundstone (Alcock, '65 ; 



Standen, '95; D'Arcy W. Thompson): Achill I. (Mrs. 



Tatlow & Praeger, '98). 

 yi. Killala Bay (Miss A. Warren, '92) : l^ariu, co. Donegal (Mrs. 



Tatlow, '99 ; G. P. Earran) : Mulroy Bay, dead (Praeger, '94). 

 JJistribution. — Einmark to Mediterranean. Madeira. Canaries. 



Cylichnina timbilicata (Montagu). ( Cylichna umhilicata, 

 Jeffreys, B. C.) 



i. Off Ballycastle (Chaster, '97b) : Turbot Bank sand, dead (Hynd- 

 man, '58 ; Waller, f. Hyndman, '59). 

 ii. Dublin Bay (Turton, '19) : east of Ireland (Thompson, '56). 

 iii. Cork Harbour (Wright & Carroll, '52, sub Cylichna strigella) : 



south of Ireland (Thompson, '56). 

 T. Miltown Malbay (Harvey, f. Thompson ms.) : Aran I. (Barlee, f. 

 Thompson, '56, sub C. strigella') : Birterbuy Bay (Walpole, 

 '52, sub C. strigella) : Eoundstone (D'Arcy W. Thompson) : 

 west of Ireland (Thompson, '56). 

 vi. Killala Bay (Miss A. Warren, '92) : Bundoran (Thompson, '45, 

 sub Volvaria subcylindrica) : Mulroy Bay, dead (Praeger, '94). 

 Distribution. — Loffoden I. to Mediterranean. W. Africa. Cape 

 of Good Hope (Sowerby). 



2s2 



