A 



CONCHOLOGICAL DICTIONARY 



OF 



THE BRITISH ISLANDS. 



ANOMIA. BOIFL-SHELL. 



SHELL with two unequal valves ; one of them 

 usually flat and perforated near the hinge, through 

 which it is fixed to other substances : hinge with- 

 out teeth ; a transverse oblong projection on the 

 fiat valve connecting the convex one by a strong 

 cartilage under the beak. 



1 . Anomia electrica. Ambev Boiul-shelL Fig. 67- 



Lister, pi. 205. f. 39. 



Anonria pellucida. Broum, JF'ern. Soc. p. 514. 



Shell thin, brittle, transparent, glassy round the edges, 

 somewhat orbicular, a little distorted but not undulated 

 round the circumference ; the upper-valve convex, and 

 something rugged or irregularly wrinkled on the outer sur- 

 face ; under-valve fiat and scaly, with a large perforation 

 near the hinge : color bright yellow, or amber, with more 

 or less of a greenish tinge, and becoming yellowish-white 

 after much exposure to the air : beaks pointed, hardly reach- 

 ing to the margin, which is rounded : inside bright glossy 

 yellow : diameter an inch and a quarter. 



It differs from A. Ephippium in color, in having the up- 

 per valve much more convex, and not so irregular round 

 the circumference. 



West of Ireland, and England, and Dublin bay. v. n. 



B 2. Anomia 



