Nichols — A Lint of the Marine MoUusca of Ireland. 641 



Tapes geograpMcus (Chenmitz). {T. pullastra, Jeffreys, B. C.) 

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



All the records refer to the northern form, the var. pullastra^ 

 Montagu, which is ahundant round the coast in the littoral zone. 



Yar. perforans, Montagu. Generally distributed in holes and 

 crevices of rocks. Yar. ovata, Jeffreys. Cork (Humphreys, f. Jef- 

 freys, '63). Yar. oUonga, Jeffreys. Cork (Wright, f. Jeffreys, '63) : 

 Bundoran (Jeffreys, '63). 



Distribution. — Finmark to Mediterranean. Mogador. Cape of 

 Good Hope. Japan. 



Tapes decussatus (Liune). 



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



i. Portrush, a specimen with the valves united (Miss Bichardson, f. 

 Praeger, '89) : Belfast Lough, opposite Jordanstown, dug out 

 of the sand in the living state (Grainger, '59) : Belfast Lough, 

 in the alluvial deposit, dead, rare, and not known to be now 

 L'ving in the Lough (Hyndman, '58) : Strangford Lough, fresh 

 looking single valves (Praeger). It appears to be very rare in 

 the living state in this province, 

 ii.-vi. Common and generally distributed in sand, &c., near low- 

 water mark. 

 Yar. quadratigula, Jeffreys. Cork (Humphreys, f. Jeffreys, '63) : 

 Bantry Bay (Barlee, f. Jeffreys, '63). 



Distributio7i. — Norway to Mediterranean. N. Japan, Indian and 

 Pacific Oceans. 



Tapes aureus (Gmelin). 

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



i. Portrush, fresh specimens (Miss Bichardson, f. Praeger, '89) : Bel- 

 fast Lough, living, common (Hyndman, '58 ; Grainger, '59) : 

 Turbot Bank, dead, rare (Hyndman, '58) : Carrickfergus Bay 

 (Macdonnell, f. Brown, '18 ; not uncommon, Kinahan, f. 

 Waller in Is^at. Hist. Eev., vi., 1859 (Froc), p. 86) : Holywood 

 and Cultra, single valves (Praeger) : Strangford Lough, living 

 (Thompson, '56 ; Praeger) : Strangford Lough, 7-20 fms., 

 dead (Dickie, '58). 

 ii. Malahide (Adams, '78): Portmarnock (Turton, f. Brown, '18; 

 Sanders in ISTat. Hist. Kev., vi., 1859 {Proc), p. 86) : Dublin 

 Bay (Turton, f. Brown, '18) : Clontarf, in the blue clay 

 (Turton, '19, sub Vetias nitens and V. cenea). 



