CONCHYLIA— D/THYBJ. 46. 209 



Pecten testa subobliqud longitudinalit^r striata, valvd superiori con- opercularis. 



vexiori, radiis 18 ad 20 subcarinatis scabris. 

 Shell rather oblique and striate longitudinally, the upper valve more 

 convex, with 18 to 20 rays which are somewhat carinate and 

 rough. 

 Ostrea opercularis. Ldnn Syst. Nat. p. 1 146. 

 Gmelin, Syst p. 3325. 



Turton, Linn. Syst. iv. p. 266. 



Linn. Trans, viii. p. 98. 



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



Dillwyn, Descript. Catal. p. 266. 



Turton, Conch. Diet. p. 129. 

 Pecten opercularis. Pennant, iv. p. 221, tab. 63, fig. 2. 



Chemnitz, vii. p. 341, tab. 67, fig. 646. 



Montagu, Test. Brit. p. 145. 



Turton, British Fauna, p. 161. 

 Pecten pictus. Da Costa, p. 144, tab. 9, fig. 1, 2, 4. 5. 



Pecten mediocris. Lister, Conch, tab. 190, 191, 192. 

 Var. radiis lined sanguined longitudinali pictis. 



the rays marked each with a longitudinal red line. 

 Ostrea lineata. Donovan Bvitish Shells, iv. tab. 116. 



Linn. Trans, viii. p. 99. 



Dorset Catal. p. 38, tab. 10, fig. 8. 



Dillwyn, Descript. Catal. p. 266. 

 Pecten lineatus. Da Costa, p. 147, tab. 10, fig. 8, 



Montagu, Test. Brit. p. 147. 



Pennant, Brit. Zool. iv. p. 222. 



Turton, British Fauna, p. 161. 



Lister, Conch, tab. 170, fig. 7. 

 Mus. nost. Common to most sandy coasts, 



2e 



