GOJUGRYLIA—DITHYRA. 36. 161 



Donovan, British Shells, i. tab. 17- 



Montagu, Test. Brit. p. 115. 



Linn. Trans, vi. tab. 17, fig. 1, 2. 



Linn. Trans, viii. p. 84. 



Turton, British Fauna, p. 157. 



Dorset Catal. p. 35, tab. 6, fig. 7- 



Dillwyn, Descript. Catal. p. 178. 



Turton, Conch. Diet. p. 239. 



Chemnitz, vi. p. 344, tab. 32, fig. 343. 

 Pectunculus glaber. Da Costa, p. 184, tab. 14, fig. 7. 

 Mus. nost. On the Western coasts. 



Shell three inches long, and nearly four broad, oblique, strong, 

 covered with a smooth glossy chesnut skin, very slightly striate, 

 generally marked with darker rays and bands ; beaks nearer one end, 

 oblique and curved, with both the impressions smooth : inside glossy 

 white. 



Lister's figure 105, at plate 269, is fossil. 

 Cytherea testa oiliqu^ cordatd, lamellis transversis subimbricatis, Guineensis. 



areola cordatd. 

 Shell obliquely heart-shaped, with transverse somewhat imbricate 



plates, and the areola heart-shaped. 

 Venus Guineensis Gmelin, Syst. p. 3270. 



Turton, Linn. Syst. iv. p. 220. 



Montagu, Suppl. p. 48 and 168. 



Pennant, Brit. Zool. iv. p. 207. 



Dorset Catal. p. 35. 



Turton, Conch. Diet. p. 237. 

 Venus circinata. Chemnitz, vi. p. 312. tab. 30, fig. 311, 312. 



¥ 



