546 Proceedings of the Royal Irish Academy. 



It. Bantiy Bay (Dublin Mus., pres. by J. T. Marshall) : E. I. A. 



Exp., 1885, 1886, Berehaven, 10-20 fins., and S. entrance to 



Dursey Sound, 25 fms. (Chaster, '98). Yar. striolata, Alder. 



Bantry Bay (j^onnan, f. Jeffreys, '67). Yar. nana, Marshall. 



E. I. A. Exp., 1886, off Berehaven, 37^- fms. (Chaster, '98). 

 V. BirterbuyBay (Barlee, f. Jeffreys, '50): Eoundstone (Standen, '95; 



D'Arcy W. Thompson) : AchiU I. (Mrs. Tatlo^ & Praeger, '98). 

 vi. Killala Bay, occasionally (Miss A. Wan-eu, '92) : Mulroy Bay, 



dead (Praeger, '94). 

 Didriluiion. — Einmark to Mediterranean. Madeira. Canaries. 

 Off Brazil, "Challenger." 



Odostomia plicata (Montagu). 



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



1. Belfast Lough (Hyndman and Thompson, f. Thompson, '56) : 



Bangor and Turbot Bank, dead, rare (Hyndman, '58, '59) : 



Strangford Lough (Hyndman and Thompson, f. Thompson, '56). 



ii. Portmarnock (Warren, f. Thompson, '56 ; Hart, '92) : Dublin Bay 



(Turton, '19 ; Leach, '52). 



iii. Ardmore (Mrs. Mackesy, f. Thompson, '56) : Cork (Jeffreys, '67) : 



E. I. A. Exp., 1886, Glandore Harbour, 4 fms. (Chaster, '98). 



IT. Bantiy Bay (.Jeffi'eys, '48 ; Leach, '52 ; M'Andrew, f. Thompson, 



'56): E. I. A. Exp., 1885, 1886, Berehaven, 5-10 fms., and 



BaUinskelligs Bay (Chaster, '98) : Kenmare Eiver( Praeger, '99). 



V. Aran I. (Barlee, f . Jeff reys, '48): Eoundstone (M'Calla,f. Thompson, 



'56). 

 vi. Killala Bay, common (Miss A. Warren, '92) : Bundoran (Mrs. 

 Hancock, f. Thompson, '56) : Donegal (Dublin Mus., pres. by 

 J. T. Marshall) : JSTarin Strand, co. Donegal (G. P. Earran) : 

 Inch I., Lough Swilly, rather scarce (Hart, '92). 

 Distriiution. — Xorway to Mediterrauean. Madeira, 

 0. turrita has been fi'equently mistaken for the present species, 

 and Cork is the only Irish locality vouched for by Jeffreys in " British 

 Conchology." 



Odostomia acuta, Jeffreys. 



i., . iii., iv., v., . 

 i. Off Ballycastle, dead (Chaster, '97a) : Turbot Bank, dead (Alder, 

 f. Hyndman, '58). 

 iii. E. I. A. Exp., 1885, off Baltimore, 30 fms. (S^-anston, '86, 

 Chaster, '98). Yar. umbiUcata, Alder. Cork Harbour (Wright, 

 f. Jeffreys, '58, sub var. alha). 



