Nichols — A List of the Marine Ilollusca of Ireland. 605 



Nuculana tenuis (Philippi). [Leda pygmc&a^ Jeffreys, B.C.) 



i., . iii., iv., [v.], . 



i. Off Ballycastle, dead (Chaster, '97a) : on the Antrim coast 

 (Jeffreys, '63) : Tiirbot Bank (Waller Coll. in Dublin Mus.) : 

 Belfast Lough (Belfast Mus., f. Praeger, '89). 

 iii. R. I. A. Exp., 1885, off Baltimore, 30 fms. (Chaster, '98). 

 iv. " Porcupine " Exp., 1869, 85-110 fms. (Jeffreys, '79) : R. I. A. 



Exp., 1885, 1886, 1888, 7-345 fms. (Chaster, '98, A. E. K). 

 V. West of Ireland, 100 fms. (King, '62) : " Porcupine" Exp., 1869, 

 106-422 fms. (Jeffreys, '79). 

 Distrihution. — Loffoden I. to Mediterranean. 



\_]Sfuculana lenticula (MoUer).] 

 .... v., . 

 V. "Porcupine" Exp., 1869, 165 fms., valves only (Jeffreys, '79). 



Distribution. — Arctic seas to S. W. Spain, lloroceo, " Travailleur " 

 (Locard). Greenland. jSTew England (Yerrill & Bush). 



\_Nuculana lucicla (Loven). [Leda lucida^ Jeffreys, B.C.)] 

 .... v., . 



V. "Porcupine" Exp., 1869, 165-816 fms. (Jeffreys, '79). 



Distrihution. — Arctic seas to Mediterranean and New England. 



\_Wuculana pusio (Philippi).] 

 . . . ?iv., v., . 

 iv. ?" Plying Eox" Exp., 1889, 1000 fms. (Smith, '89). 

 T. "Porcupine" Exp., 1869, 816 fms. (Jeffreys, '79). 



Distribution. — Both sides of I^orth Atlantic. Mediterranean. ^Deep 

 water. 



[Nuculana Jeffrey si (Hidalgo).] 

 .... v., . 

 V. "Porcupine" Exp., 1869, 165 fms. (Jeffreys, '79). 



Distribution. — Both sides of JSTorth Atlantic. Off Ascension I., 

 "Challenger." Deep water. 



\Nuculana expansa (Jeffreys).] 



.... v., . 



V. "Porcupine" Exp., 1869, 816 fms. (Jeffreys, '79). 



Distrihution. — Both sides of ISTorth Atlantic.^ Deep water. 



E.I.A. PEOC, SEE. III., VOL. V. 2 



