IS^ CONCHYLlA—niTHYRA. 36. 



Venus substriata. Montagu, Suppl. p. 48.tab. 29,fig. 6. 

 Pennant, Brit. Zool. iv. p- 211. 

 Turton, Conch, Diet. p. 245 

 Dredged up in the Firth of Forth. 



Shell half an inch long, and rather niore in breadth, trans- 

 versely oval, white, thin, with concentric wrinkles and obscure 

 waved longitudinal striae : beaks nearer to one end, small, turn- 

 ing a little to one side. 



apnea. Venus testd ovatd, antich elonjrato-attenuatA , striis trans- 



14, _ ... 



versis crehris longituditialibusque obsoletis, dentibus duobus 



Jlssis. 

 Shell oval, taper and elongated at the anterior side, with crowded 



transverse striae and obscure longitudinal ones, two of the 



teeth cloven. 



Tab. nost. 10, fig. 7. 

 Venus aenea Turton, Conch. Diet. p. 248, fig. 20. 



Mus. nost. From Clontarf, in Dublin bay. 



Shell an inch long, and an inch and a half broad, white 

 covered with a shining bronzed skin, oval, convex, rounded at 

 one end, regularly tapering and much produced at the other 

 without forming any angle ; with regular close-set transverse 

 striae, and minute longitudinal lines : beaks much pointed, 

 curved, near the larger end, with an elongated areola under 

 them : teeth strong, two of them cloven in one valve, and one 

 in the other. 



