CO^GRYLIA—DITHYRA. 37. 163 



Turton, Conch. Diet. p. 241. 



Chemnitz, vii. p. 18, tab. 38, fig. 402, 404. 

 Pectunculus capillaceus. Da Costa, p. 187, tab. 12, fig. 5. 

 Pectunculus dense fasciatus. Lister, tab. 291, fig. 127. 

 Mus. nost. English, Irish, and Guernsea coasts. 



Shell growing to two inches and a half in diameter, whitish or dull 

 reddish, with broken red or purple longitudinal rays, broad stripes, 

 or fine lines, rather flat, nearly orbicular, with the beaks much curv- 

 ed and a deep excavation under them. 



Cytherea testa obovato-cordatd convexd, latere antico ad umbones sinuata. 



attenuato, striis transversis crebris capillaceis. 

 Shell oboval and heart-shaped convex, tapering to the beaks at the 

 anterior side, with crowded transverse capillary striae. 



Tab. nost. 10, fig. 10. and 11. 

 Venus sinuata. Gmelin. Syst. p. 3285. 



Turton, Linn. Syst. iv. p. 233. 



Turton, Conch. Diet. p. 242. 

 Venus lincta. Dorset Catal. p. 35, tab. 1, fig. 13. 



Venus lactca. Donovan, British Shells, v. tab. 149. 



Montagu, Test. Brit. Suppl. p. 46. 



Linn. Trans, viii. jj. 79- 



Turton, British Fauna, p. 157. 

 Venus exoleta. Pennant, iv. p. 209, tab. 59, fig. 1. 

 Venus exoleta, Var. Linn. Trans, viii. p. 87, tab. 3, fig. 2. 

 Venus excisa. Dillwyn, Descript. Catal. p. 195. 



Chemnitz, vii. p. 17, tab. 38, fig. 400, 401. 



Y ? 



