CONCH YLI A— D/THYE^. 29. 119 



distinction which as an artificial as well as a natural arrangement is 

 worthy of consideration. 



Strigilla testa subglobosd subwquilaterali, striis longitudinalibus obli- pisiformis. 



2. 



quis hinc acutangulosis. 

 Shell somewhat globular and nearly equilateral, with oblique longi- 

 tudinal stria? which on one side form acute angles. 

 Tellina pisiformis. Linn. Syst. Nat. p. 1120. 



Gmelin. Syst. p. 3241. 



Turton, Linn. Syst. iv. p. 196. 



Wood, Conch, p. 194. 



Dillwyn, Descript. Catal. p. 102 



Turton, Conch. Diet. p. 178. 

 Cardium discors. Montagu, Test Brit. p. 84. 



Linn. Trans, viii. p. 67. 



Turton, British Fauna, p. 153. 



Pennant, Brit. Zool. iv. p. 190. 



Wood, Conch, p. 214. 

 A single specimen of this rare shell was found by Montagu, in 

 Falmouth harbour. 



Shell nearly globular, glossy white, with numerous striae which on 

 the anterior side bend in acute angles towards the hinge: beaks 

 small, nearly central, inclining a little to one side : hinge with a 

 single plain tooth in one valve closing between two in the other, one 

 of which is small ; the lateral teeth remote and prominent 



Strigilla testa orbiculari subasquilaterali, striis arcuatis utrinqui rec- divaricata. 

 tangulosis. 



