84 On a neiv Modiola and a new Telllna. 



W\. — Descriptions of a new Modiola froin Ceijlon and of a 

 new Tellina from 2\tw Caledonia. By H. B. Preston, 

 F.Z.S. 



Modiola taprohanensh, sp. ii. 



Shell iuflated, irregularly trapezoidal, somewhat curved, 

 polished, shinincr, covered with a dark olive-green periostracum, 

 which becomes paler posteriorly and is rather wrinkled towards 

 the anterior ventral region ; both valves marked with irre- 

 gular concentric growth-lines, angularly swollen anteriorly; 

 innbones much eroded; dorsal margin straight; ventral 

 margin curved, slightly gaping in the middle ; anterior side 

 sharply rounded ; posterior side sloping, obliquely rounded 

 below; interior ot" shell nacreous, ])olished, bluish grey ante- 

 riorly, brownish bronze posteriorly. 



Long. 8"5, lat. 18 nun. 



liah. Ceylon. 



Modiola taprobanensis. Tellina viator. 



Tellina viator, sp. n. 



Shell thin, elongately ovate, bright pink, concentrically 

 striate, the stride becoming much coarser anteriorly ; dorsal 

 margin almost straight ; ventral margin scarcely rounded ; 

 anterior side abruptly rounded ; posterior side sloping above, 

 somewhat rostrate below. 



Long. 8, lat. 15 mm. 



Hah. iS^oumea, New^ Caledonia. 



