214 



GO^CRYLIA—DITHYRA. 46. 



Dillwyn, Descript. Catal. p. 263. 



Turton, Conch. Diet. p. 133. 

 Ostrea loevis. Linn. Trans, viii. p. 100, tab. 3, fig. 5. 



Mus. nost. From Torbay and the English Channel. 



Shell about an inch in diameter, roundish-oval or oblong, purple, 

 reddish, or yellowish, rarely clear white, often variously marbled or 

 spotted: the surface generally marked with raised ribs towards the 

 broader end, more or less in number, and which are sometimes de- 

 fined by a deep transverse line separating them from the plain part, 

 but always marked with the fine and almost invisible longitudinal 

 irregular and somewhat undulate striae over the whole surface. 



varius. 

 10. 



Pecten testa ohlongd subcequivalvi, strus 26 ad 30 compressis echina- 



tis. 

 Shell oblong nearly equivalve, with from 26 to 30 compressed 



prickly striije. 

 Ostrea varia. Linn. Syst. Nat. p. 1146. 



Gmelin, Syst. p. 3324. 



Turton, Linn Syst. iv. p. 265. 



Donovan, British Shells, i. tab. 1. fig. I. 



Linn. Trans, viii. p. 97. 



Dorset Catal. p. 38, tab. 10. fig. 1, 2, 4, 5, 7, 9. 



Dillwyn, Descript. Catal. p 260. 



Turton, Conch. Diet. p. 130. 

 Pecten varius. Pennant, iv. p. 221, tab. 64, fig. 1. 



Montagu, Test. Brit. p. 146. 



Turton. British Fauna, p. 162, 



