CO'HCHY LI A— DITHYR A. 26. 93 



Dorset Catal. p. 29, tab. 5, fig. 1. 



Wood, Conch, p. 135, tab. 32, fig. 2,3. 



Turton, Conch. Diet. p. 163. 

 Tellina clopre.s.sa. Donovan, Briti.sh Shells, ii. tab. 41. 

 Tellina albida. Dillwyn, Descript. Catal. p. 78. 



Lux vespertina. Chemnitz, vi. p. 72, tab. 7, fig. 59. tiU. 

 Chama lute.scen.s. Lister, Conch, tab. 417, fig. 261. 

 Mus. nost. We.stern coast.s, Dublin bay, Guernsea. 



Shell growing to an inch and a half long, and nearly three inches 

 in breadth, opake, covered when fresh with a dark brown skin, pale 

 straw-color with purplish longitudinal rays which are usually visible 

 on the inside, with transverse striae which grow thicker towards 

 the anterior end, and sometimes crossed with a few very minute 

 and obscure longitudinal ones : in one valve are two teeth, and the 

 same in the other, but one of them is thin laminar and oblique, and 

 not always visible except in fresh specimens. 



PsAMMOBiA testa ovato-oblongd, latere antico subangulato, striis trans- Jeflorata. 



versis longitudinalibusqiie subundatis. **'• 



Shell oval-oblong, a little angular at the anterior side, with trans- 

 verse striae and undulate longitudinal ones. 

 Venus deflorata. Linn. Syst. Nat. p. 1133. 



Gmelin, Syst. p. 3274. 



Turton, Linn. Syst. iv. p. 224. 



Pennant, iv. p. 207, tab. 60, lower fig. 



Montafju, p. 123, tab. 3, fig. 4. 



Linn. Trans. vJii. p. 85. 



Turton, British Fauna, p. 158. 



