Nichols — A List of the Marine MoUusca of Ireland. 491 



Weight, S. : 



'54. Itare Irish Mollusca. Ann. & Mag. Nat. Hist. (2), siv., 

 p. 397. 

 Weight, S. and Caekoll, J. : 



'52. Mollusca dredged in Cork Harbour. Ann. & Mag. Nat. 

 Hist. (2), ix., p. 157. 



Class.— CEPHALOPODA. 

 Order.— DIBEANCHIATA. 



Family. — Octopodid^. 



Octopus vulgaris, Lamarck. 



. ii., . . [v.], . 



Not uncommon (Templeton mss., fide Thompson, '56) ; probably 

 Eledone cirrosa. 

 ii. Occasionally, but very rarely, taken off the Dublin coasts in the 

 seine nets (Mackintosh, '84): a specimen labelled "Dublin 

 Bay" is in the Musenm of Trinity College, Dublin (Haddon, 

 '86) : Bray (A. Maealister, f. Adams, '78). 

 V. E. D. S. Pish. Survey, 1890, off Achill Head, 220 fms. (Holt, 

 '92). 

 It is probable that Eledone cirrosa has often been mistaken for this 

 species. 



Distrilution, — Almost cosmopolitan (Hoyle). 



\_OGto2ms arcticus, Prosch.] 



. . . iv., . . 



iv. Two fine females were trawled by H. M. S. " Besearch" off S.W. 

 Ireland in 1889 (Norman, '90a) ; depth not stated, but pro- 

 bably more than 100 fms. 

 Distribution. — Norway. Faroes. S. W. Ireland. ? Greenland. 

 N. E. America. 



Eledone cirrosa (Lamarck). 



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



i. Lough Eoyle and Carnlough (Ordnance Survey, f. Thompson, '56) : 

 entrance to Belfast Lough, in a dead univalve shell from 20 fms. 

 (Hyndman and Getty, f. Thompson, '56) : Belfast Lough, not 

 unfrequent (Thompson, '56) : off Copelands, 15 fms. (Hynd- 

 man, '59), 



