660 Proceedings of the Royal Irish Academy. 



iii. "Woodstown, near Dunmore (Dublin Miis., coll. by Mrs. Tatlow) : 

 Dungarvan (A. R. IS".) : Youghal (Ball, f. Thompson ms.) : 

 Ballycottin, Cork, &c. (Humphreys, '45) : co. Cork (Dublin 

 Mus.) : Sherkin I. (A. R. N.). 



iv. Co. Kerry (Dublin Mus.) : Kenmare Eiver (Praeger, '99) : 

 Yalentia (Cockerell, '87 ; Waller Coll. in Dublin Mus.) : Dingle 

 (Cockerell, '85). 

 V. Miltowu Malbay (Harvey, f. Thompson irs.) : Aran I. (Dublin 

 Mus., pres. by E. P. Wright; R. D. S. Fish. Survey, 1890) : 

 Eoundstone (Alcock, '65) : Killary and Clew Bays (Thompson 



MS.). 



vi. Killala Bay (Miss A, Warren, '92) : Donegal, all round the coast, 

 scarce (Hart, '92), 

 Distrilution. — British Isles to Mediterranean. Azores. Madeira. 



\_Pseiidomurex lamellosus (Cristofori & Jan).] 



. . . iv., . . 



iv. "Porcupine" Exp., 1869, S. W. Ireland, 110 fms. (Wyv. 

 Thomson, '73). 

 Distribution. — S. W. Ii'eland. Gulf of Gascony. Mediterranean. 

 W.Africa, "Talisman" (Locard). 



Purpura lapillus (Linne). 



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



Very common everywhere, on rocks and stones between tide- 

 marks. 



Distrihdion. — Arctic seas in both hemispheres to Mogador, 

 Canaries, and New England. I^. W. America. Mexico. 



Family. — Columbellid^. 



\_Columlella haliceeti, Jeffreys.] 



. . . iv., v., . 



iv. R. I. A. Exp , 1886, 1888, 110-750 fms. (Chaster, '98, A. R. N.) : 



"Elying Fox" Exp., 1889, 1000 fms. (Smith, '89). 

 V. Off west of Ireland, a very young^ specimen (Hoskyns, f. Jeffreys, 

 '67): "Porcupine'' Exp., 1869, between Gal way and Porcu- 

 pine Bank (Jeffreys, '69a). 

 Distribidion. — Einmark to Setubal and] Azores. Mediterranean. 

 Greenland. JST. E. America. 



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