600 Proceedings of the Rof/al Irish Academy. 



\JDentaUum striolatu/n, Stimpson. (D. ahyssorum, Je&eys, B. C.)] 



. . . iv., . . 



ir. "Porcupine" Exp., 1869, 370-722 fms. (Jeffreys, '82). 



Distribution. — Spitzbergen. Finmark to lEediterranean. Azores. 

 "NY. Africa, " Talisman " (Locard). Greenland. jS". E. America. 



Dentalium entalis, Linne. 



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



i. Antrim and Down coasts, living in some profusion, 5-90 fms. 



(Praeger, '89). 

 ii. Ireland's Eye andHowth (Hart, '92) : Dublin Bay (Walpole, '53a ; 



Xiualian, '61 ; Warren Coll. in Dublin lius.).^ 

 iii. "Porcupine" Exp., 1869, 74 fms. (Jeffreys, '82) : E. I. A. Exp., 

 1885, 1886, off S. coast of Cork, 40-55^ fms. (Swanston, '86, 

 Chaster, '98). 

 iv. Bantry Bay (Humphreys, '45): " Porcupine " Exp., 1869, 85-808 

 fms. (Jeffreys, '82): E. I. A. Exp., 1885, 1886, 5-110 fms. 

 (Swanston, '86, Chaster, '98, A. E. K.) : E. D. S. Fish. Survey, 

 1890, Dingle Bay (A. E. N.). 

 V. Aran I. (Barlee, f. Jeffreys, '65) : Galway Bay (il'Andrew Coll., 

 f. Cooke, '82): Eoundstone (Alcock, '65; Standen, '95): 

 "Porcupine" Exp., 1869, 165-208 fms. (Jeffreys, '82). 

 Distribution. — Iceland. Finmark to Spain. JS". E. America. N. W. 

 America. 



\_Dentalium subterfissum, Jeffreys.] 



.... v., . 



V. "Porcupine " Exp., 1869, 816 fms. (Jeffreys, '82). 



Distribution. — Both sides of !N"orth Atlantic. Deep water. 



J^ulsellum lofotense (IT. Sars). {Si2)honodentalium lofotense, Jeffreys, B.C.) 



i., . iii., iv., v., . 



i. Church Bay, Eathlin I., a small dead specimen (Chaster, '97b). 

 iii. E. I. A. Exp., 1885, 1886, off S. coast of Cork, 30-55 J fms. 



(Chaster, '98). 

 -iv. "Porcupine" Exp., 1869, 90-808 fms. (Jeffreys, '82): E. I. A. 



Exp., 1885, 1886, 1888, 10-345 fms. (Chaster, '98). 

 v. "Porcupine" Exp., 1869, 85-816 fms. (Jeffreys, '82). 



Distribution. — Loffoden I. to Mediterranean. jST. E. America, 



' Poitmarnock, rare (Brown, '18). 



