368 CRANIAD^. 



(Jeffreys). In Ireland it has been taken off Youghal by 

 R. Ball, and off Cork by Humphreys. 



It ranges throughout the Scandinavian seas. 



SPURIOUS. 

 Orbicula striata, Sowerby. 



Discina Ostreoidcs, Lam. Anim. s. Vert. (ed. Desh.) vol. vii. p. 297 (no descrip- 

 tion). — Brit. Marine Conch, p. 125. 



Orbicula Norvegica, Sowerby (not Lam.), Trans. Linn. Soc. vol. xiii. p. 468, pi. 

 26, f. 2. — Sowerby, Genera of Shells, Orbicula, f. 3, 4, 

 5. — Reeve, Conch. Systemat. pi. 129, f. 3, 4, 5. 



Discina „ Crouch, Introd. Lam. Conch, pi. 13, f. 2. 



Orbicula striata, Sowerby, Thesaur. Conch, vol. i. p. 366, pi. 73, f. 8. 



Locality unknown ; found in ballast xised to mend roads near 

 London. Described by Fleming in his "British Animals," but 

 avowedly as a very doubtful native. 



