no CONCHYLI A— D/THYi?^. 27. 



Tellina fausta. Montagu, Test. Brit. p. 64. 



Donovan, British Shells, iii. tab. 98. 



Linn. Trans, vili. p. 53, tab. 1, fig. 8. 



Turton, British Fauna, p. 150. 



Dorset Catal. j). 30, tab. 5, fig. 5. 



Wood, Conch, p. 185. 



Turton, Conch. Diet. p. 175. 

 Tellina rigida. Donovan, British Shells, iii. tab. 103. 



Pectunculus depressior. Da Costa, Brit. Conch, p. 194, tab. 13, 



fig. 4, right hand. 

 Pectunculus planus. Lister, Conch, tab. 299, fig. 136. 

 AIus. nost. Western and Irish coasts. 



Shell an inch and a half or two inches long, and something more 

 in breadth, thick and strong, but seinitransparent, and when held 

 up to a strong light resembling a newly-laid egg held in the same 

 way, with numerous transverse rounded striae, which grow thicker 

 towards the produced end, and crossed with most minute longitudi- 

 nal ones, which however are not always visible: one of the valves a 

 little deeper than the other : color yellowish-white, often finely 

 marked with longitudinal scarlet rays : inside glossy, frequently 

 tinged with rosy red; and under the hinge on the rounded side is a 

 strong oblique rib reaching as far as the muscular impression: beaks 

 not quite central, with a short impression under them. ^ 



We are much inclined to think, that all the above mentioned 

 British species will concentrate into one, whatever denomination 

 n.8y at last be fixed to it. We possess them from an inch to two 

 inches and a half in diameter, varying much in their outline : 



