598 Proceedings of the Royal Irish Academy. 



Gotiiodoris castanea, Alder & Hancock. 



. . . iv., . . 



iv. E.I. A. Exp., 1885,Dursey Sound, 20-25 fms. (Haddon, 

 Distribution. — British Isles. AV. France. Mediterranean. 



Idalina elegans (Leuckart). {Idalia elegans, Jeffreys, B. C.) 



V. Birterbuy Bay (Barlee, f. Jeffreys, '69 ; Dublin Mus.). 

 Distrihution. — Denmark to Mediterranean. 



Idalina Leacliii (Alder & Hancock). [Idalia LeacMi., Jeffreys, B. C.) 



V. Birterbuy Bay (Barlee, f. Jeffreys, '69). 

 Distribution. — British Isles. 



Idalina aspersa (Alder & Hancock). [Idalia as^^ersa, Jeffreys, B. C.) 



• ii-) iii-, • ^; ' 

 ii. Off Bray Head, 7 fms. (Ball, f. Thompson, '56). 

 iii. E. I. A. Exp., 1888, off S. coast o£ Cork, 50 fms. (A. E. N.). 

 V. Birterbuy Bay, not uncommon (Barlee, f. Jeffreys, '69). 

 Distribution. — Sweden to S. "W. Erance. 



Ancula cristata (Alder). 



. ii., iii., . . . 



ii. Malahide (Alder & Hancock, '45) : Dublin Bay, common (Alder,. 



f. Thompson, '44a). 

 iii. E. I. A. Exp., 1888, off co. Cork, 24 fms. (A.E.K). 

 Distribution. — Iceland. ISTorway to English Channel. 



Class.— SCAPHOPODA. 



Eamily. — Dewtaliid^. 

 Dentalium panormitanwn^ Chenu. 



iv. "Porcupine" Exp., 1869, 85-180 fms. (Jeffreys, '82). 



Distribution. — S. W. Ireland to Mediterranean. Off Senegal,. 

 " Talisman." 



