DUBLIN NATURAL HISTORY SOCIETY. 88 



Oalaihea atrigosa — Dalkey, whelk-pots ; rare. 



Belfast (0. C), Dublin Bay, Cork (J. V. T.), Giant's Causeway 

 (W.T.). 



G, nexa, — Merrion strand, 1854 ; a single specimen, Bray. 



Antrim (W. T.), Dublin (Robert Ball) ; a most puzzling species. 



Porcellana lonpeomis, var. priocheles (mihi) (? species). — Dalkey 

 Sound; Hush. 



Neph/rop8 Norvegicus, — Dublin Bay. 



Belfast (W. T.), Dublin Bay, Galway, Roundstone (W. M'C). 



Crangon vulgaris. — In pools ; small in size. Merrion strand, Mala- 

 hide. Bray. In spawn in February. 



Belfast (W. T.), Dublin, Youghal (W. T.), Galway, 1857. 



C. 8culptu8. — 25 fathoms, Bray, rare. 



Dublin, South Isle of Arran (Prof. Melville). 



C. trisptnosva. — Of this species, hitherto unnoticed as Irish, there are 

 specimens among a number of minute Crustacea, obtained by Dr. Ball 

 and Prof. E. Forbes, off the Skerries, in 5 fathoms of water, in 1845. 



O. Allmanni {mihi). — ^Bray, 25 fathoms. Spawns in February. 



Hippolyte varians. — Dalkey Sound, Bray, Merrion strand, in drift- 

 weed, rare. 



Belfast (W. T.), Dublin, Cork (C. C. S.), west coast, 84 fathoms (W. 

 Andrews, Esq.), Clew Bay (W. T.). 



H. Cranchii. — With last, than which it appears more common; some 

 specimens have the apex of the rostrum simple (? species). 



Dublin, Cork (C. C. S. and J. V. T.), Galway (Pro£ Melville). 



H. Thompsoni. — Same localities as last ; rare. 



North-west coast (W. T.), Dublin. 



Pandalus annulicornis. — Very common in rock-pools, and every depth 

 to 30 fathoms. 



Co. Down (W. T.), Dublin, Ardmore, Tiraght Rock, west coast, 

 84 fathoms (W. Andrews, Esq.), Galway, 1857, Killeries (W. T.). ^ 



Palcemon va/riam. — Apparently rare, but probably only unnoticed. 

 Merrion strand, in sand-pools. 



Belfast (W. T.), Dublin. 



Mysia chatnaleon. — Merrion strand, on drift-weed, rare. Malahide, 

 5 fathoms ; Dalkey. 



Belfast (W. T.), Dublin, Cork (J. Y. T.), West Coast (W. T.). 



M. vulgaria. — Merrion strand, pools, abundant 



Belfast (W. T.), Dublin, Cork (J. V. T.), Lahinch (W. T.). 



From this list it appears that the Crustacea are fully as well repre- 

 sented on the eastern as on the western shores. Want of sufficiently de- 

 tailed observations prevent any more particular conclusions being drawn; 

 but, though I have omitted one or two species, such as Ebalia Pennantii 

 and Cranchii f Crangon faaciatua, Palcemon Leachii, &c., of which Dublin 

 specimens are extant, the list is a fair average one of the district, and 

 exhibits the remarkable absence of the South British and Southern types, 

 and a great predominance of Celtic and European, just as might be ex- 



