CONCHYLIA— D/THYi?^. 46. 207 



* auriculis suboequalibus. 1-7. 

 with the ears equal or nearly so. 



Pecten testa in^quivalvi, valvd superiori planatd infernd concavo-de- maximus; 



pressd, radiis rotundatis longitudinalitSr striatis. ^' 



Shell inequivalve, the upper valve flat with a depression near the 



hinge, the rays rounded and striate longitudinally. 

 Ostrea maxima. Linn. Syst. Nat. p. 1144. 



Gmelin, Syst. p. 3315. 



Turton, Linn. Syst. iv. p. 258. 



Donovan, British Shells, ii. tab. 49. 



lAnn. Trans, viii. p. 96. 



Dorset Catal. p. 37, tab. 9. fig. 3. 



Dillwyn, Descript. Catal. p. 247. 



Turton, Conch. Diet. p. 128. 

 Pecten maximus. Pennant, iv. p. 219, tab. 62. 



Chemnitz, vii. p. 268, tab. 60, fig. 585. 



Montagu, Test. Brit. p. 143. 



Turton, British Fauna, p. 161. 

 Pecten vulgaris. Da Costa, p. 140, tab. 9, fig. 3. 

 Pecten magnus. Lister, Conch, tab. 163, fig. 1. 

 Mus. nost. At the estuaries of large rivers. 



Shell four or five inches in diameter, white brown or marbled with 

 pink and dark chocolate brown, with 14 or 15 rounded ribs ; inside 

 white with a broad deep purple margin. 



Pecten testa ineequivalvi, valvd superiori planatd infernS concavo-de' Jacobaeus. 

 pressa, radiis angulatis valves inferioris longitudinaliter sulcatis. ^' 



