'6 1 6 Proceedings of the Royal Irish Academy. 



iii. Cork Harbour (Humphreys, '45): "Porcupine" Exp., 1869, 74 



fms. (Jeffreys, '79): E. I. A. Exp., 1885, 1886, off S. coast of 



Cork, 30-55i fms. (Chaster, '98, A. E. K). 

 iv. E. I. A. Exp., 1885, 1886, 5-80 fms. (Swanston, '86, Chaster, '98, 



A. E. Iv^.) : "Eesearch" Trawling Cruise, 1889, 70 fms. 



(Bourne, '90). 

 T. Aran I. (Dublin Mus., pres. by E. P. Wright) : Eonndstone, a 



specimen (Jeffreys, f. Thompson, '56) : E. D. S. Eish. Survey, 



1890, Eonndstone Bay, 5 fms. (Holt, '92) : " Argo " Cruise, 



1890, west of Ireland (Herdman, '91). 

 vi. Enniscrone, single valves (Miss A. Warren, '92). 

 Distrihution. — Iceland. Finmark to Spain. 



Peden striatus, Miiller. 



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



i. Off the Maidens, 70-90 fms., and off the Copelands, 12-20 fms., 

 living (Hyndman, '59) : off Black Head, 25 fms. (Hyndman, 

 '59): Turbot Bank, single valves (Hyndman, '58): "Porcu- 

 pine" Exp., 1869, near Belfast, 70 fms. (Jeffreys, '79): 

 Strangford Lough, a single specimen (Hyndman and Thompson, 

 f. Thompson, '56) : Strangford Lough, 7-25 fms., dead, very 

 rare (Dickie, '58) : north of Ireland (Jeffreys, '63). 

 ii. East of Ireland (Jeffreys, '63). 



iii. JSTymph Bank (Warren Coll., f . Thompson, '56) : east of Cape Clear, 

 40-45 fms. (M'Andrew, f. Thompson, '56) : south of Ireland 

 (Jeffreys, '63) : E. I. A. Exp., 1885, 1888, off Glandore, 

 40-53 fms. (Chaster, '98, A. E. ^.). 

 iv. "Porcupine" Exp., 1869, 90-180 fms. (Jeffreys, '79). 

 V. Birterbuy Bay (Barlee, f. Thompson, '56) : Eonndstone (Dublin 

 Mus., coll. by W. M'Calla) : "Porcupine" Exp., 1869, Galway 

 Bay, 15-20 fms., and 165-173 fms. (Jeffreys, '79) : west of 

 Ireland (Jeffreys, '63). 

 Distrihution. — Einmark to Mediterranean. New England (Yerrill). 



Pecten incom2)aral)ilis, Eisso. (P. Testes, Jeffreys, B. C.) 



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



i. Off Ballycastle, living (Chaster, '97a) : Larne (Jeffreys, '63) : on 

 the Antrim and Down coasts, living (Waller and Hyndman, f. 

 Hyndman, '60). 



