502 Proceedings of the Royal Irish Academy. 



iv. "Porcupine" Exp., 1869, 90 fms. (Jeffreys, '82) : R. I.A. Exp., 

 1885, Berehaven, 5-25 fms., and mouth of Kenmare River, 

 38-48 fms. (Swanston, '86). 

 Bistrihution. — Loffoden I. to British. Isles. Off Corunna, " Prin- 

 cesse- Alice." 



Family. — Haliotid^. 



'^ Haliotis tuherculata, Linne. 



i., ii., .... 



i. Dredged near Groomsport, co. Down, October, 1811 (Templeton 



Mss., f. Thompson, '56). 

 ii. Bullock, CO. Dublin (Turton, '19). 



If these records are correct, the specimens were probably acci- 

 dentally introduced. 



Distribution. — Channel Isles to Azores. Canaries. ? Mediterranean. 



Family . — Pleueotomaehd^ . 



Scissurella crisjyata, Fleming. 



i., . . . [y.]., . 



i. Off Ballycastle, dead (Chaster, '97a) : off the Maidens, 80 fms., a 

 fresh specimen (Hyndman, '60) : mouth of Belfast Lough, 27 

 fms., two dead specimens (Hyndman, f . Thompson, '56) : Turbot 

 Bank, dead, very rare (Hyndman, '58). 

 V. "West of Ireland, 100 fms, (King, '62): "Porcupine" Exp., 

 1869, 173 fms. (Jeffreys, '83). 

 Disfrihdion. — Spitzbergen. Finmark to Mediterranean. Azores. 

 Between Marion I. and Prince Edward I., " Challenger." Greenland 

 to Georgia. Off West Indies, " Challenger." 



Family. — Ctclosteematid^. 



Cyclostrema serpuloides (Montagu). 



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



i. Off Ballycastle, living (Chaster, '97a) : off Larne, living (Hynd- 

 man, '60) : Turbot Bank, dredged sand (Jeffreys, f. Hyndman, 

 '59) : Strangford Lough (Dublin Mus.). 

 ii. Howth (Hart, '92): Dublin Bay (Turton, '19; Waller, f. Kina- 



han, '61). 

 iii. Cork (Jeffreys, f. Forbes & Hanley, '53): R.I. A. Exp., 1885, off 



Galley Head, 54 fms., rare (Chaster, '98). 

 iv. R. I. A. Exp., 1885, 1886, 5-40 fms., rare (Chaster, '98). 



