CONCHYLIA— D/TifYE^. 56. 249 



Tab. nost. 11. fig. 14. 

 Tellina cornea. Linn. Syst. Nat. p. 1120. 



Gmelin, Syst. p. .3241. 



Turton, Linn. Syst. iv. p. 197. 



Chemnitz, vi. p. 136, tab. 13, fig. 133. 



Pennant, iv. p. 184, tab. 52, fig. 3. 



Linn. Trans, iii. p. 45, tab. 13, fig. 39, 40. 



Linn. Trans, viii. p. 59. 



Donovan, British Shells, iii. tab. 96. 



Wood, Conch, p. 196. tab. 46, fig. 3. 



Dilhvyn, Descript. Catal. p. 104. 



Turton, Conch. Diet. p. 179. 

 Cardium corneum. Montagu, Test. Brit. p. 86. 



Turton, British Fauna, p. 1 54. 



Dorset Catal, p. 32, tab. 7, fig. 2. 

 Cardium Nux. Da Costa, p. 173, tab. 13, fig. 2. 



Mus. nost. Muddy streams, pools, and ditches. 



Shell three eights of an inch long, and half an inch broad^ horn- 

 color or yellowish, often bright yellow round the margin, faintly and 

 irregularly striate transversely, of an oblong-globular shape, with a 

 slight apjjearance of angularity at the anterior side : the single 

 groove is mostly apparent, sometimes nearly central, often nearer 

 the beaks or margin : inside rather glossy, yellowish or blueish : 

 beaks central, prominent, obtuse. 



CvcLAS testa depressd pellucidd IcEviusculd eequilaterali antice suban- lacustris, 

 gulatd, umbonibus tuberculosis. ^' 



Shell flattish transparent nearly smooth equilateral and somewhat 

 angular at the anterior side, with the beaks tubercularly pro- 

 minent. 2 K 



