DUBLIN NATUBAL HISTORY SOCIETY. 85 



Eurynome aspera. — Rare ; Bray, 25 fathoms. 



Belfast (W. T.), Malahide (Dr. Lloyd), Cove (C. C. S.), Dingle (W. 

 Andrews), Roundstone (W. M'C). 



Pilumnus hirtellus. — Rare ; occasionally washed ashore. A fine 

 specimen thus obtained on North Bull by V. W. Macnally, Esq., 1856 ; 

 South Bull, 1857. Dalkey, rock-pools. 



Carnlough, Antrim (0. C), Dublin Bay, Youghal (W.T.), Court- 

 macsherry (Professor G. J. Allman), Lahinch (W. T.), Roundstone (W. 

 M'C.). 



Portumnus variegatus. — Merrion strand, common after easterly gales. 



Portrush ("W. T.), Dublin Bay (omitted in southern lists), Round- 

 stone (W. M'C.), Killala Bay (W. T.). 



Pinnotheres pisum. — Common in Mytili and Modioli from deep 

 water. 



Belfast (W. T.), Dublin, Cove (J. Y. T.), Galway (Prof. Melville). 



Atelecyclus heterodon. — Rare. Merrion, under stones, 1854, young 

 specimens. 



Co. Donegal (0. C), Portmarnock (R. B.), Dublin, Dingle (¥m. 

 Andrews, Esq.). 



Corystes Cassivelaunus. — Sandy beaches after gales ; common. 



Belfast (W. T.), Dublin, Cork (C. C. S.), Dingle Bay, 25 fathoms (W. 

 Andrews, Esq.), Roundstone (W. M'C). 



The remainder of the species to be noted appear to have been ne- 

 glected. Information regarding their distribution is much wanted. 



Pagurus Bernhardus, var. Eblanensis (mih) ; (? species). — Dalkey, 

 15-30 fathoms; Bray, 25 fathoms. 



P. Prideauxii (?). — What appears to be this species occurs, though 

 rarely, along with P. Bernhardus, in whelk-pots at Dalkey and Bray; 

 also drift-weed, Merrion strand, in shells of Buccinum undatum, Fusus 

 propinquus and islandicus, Trochus magus, &c. 



Strangford Lough (W. T.), Dublin Bay. 



P. Cuanensis. — Dalkey Sound, 10-15 fathoms, rare; Bray, 15-30 

 fathoms, much more common. Shells in which it occurs coated with 

 Halichondria suberea ? 



Portaferry (W. T.), Cork, as P. erinaceus* (J.Y. T.), Dublin, Galway 

 (Prof. Melville). 



P. Hyndmanni. — Dalkey Sound, common ; Bray, ditto ; Merrion 

 strand, very rare (W. Y. Macnally, Esq.). Occurs generally in clean 

 shells of Trochus tumidus and Montagui and Nassa incrassata. In spawn 

 in February. 



Portaferry (W. T.), Dublin Bay. 



P. Thompsoni. — Same localities as last ; much rarer. In spawn in 

 March. 



Belfast (W. T.), Dublin. 



* The specimen thus marked is in the collection of the Royal Dublin Society. 

 It is too much damaged to judge of its identity. W. Thompson pronounced it 

 identical with the species described by him as above. 



