200 DONAX. WEDGE-SHELL. Class VI. 



6. irus. Lin. T' . viii. 77. Tellina cornubiensis. Br. 

 cornish. Mont. Test. Br. 108. 573. Zool. iv. 89. 



Borlase Cornwall, t. 28. f. 23. 



* D. with an oval shell encompassed with up- 

 right membranaceous ridges ; length half an 

 inch, breadth three quarters. 



7. rubra. Mont. Test. Br. Sup. 38. 



* D. with a smooth wedge-shaped shell, red- 

 dish, abrupt at one end, beak obtuse; very 

 minute. 



Amongst coralline in deep water, very rare. 



