igoS.j Records of the I ndian Museum. 209 



Novaculina andamanensis , sp. nov. 



Shell oblong, elongate, inequilateral, constricted towards the 

 middle, pure white, bearing traces of having been covered with a 

 yellowish brown periostracnm, concentrically striate; dorsal margin 

 slightly sloped anteriorly ; ventral margin excavated in the middle, 

 anterior side rounded; posterior side produced, somewhat angled 

 below ; umboes small. 



Long. . . . . i6*5 mm. 



Lat. .. .. 37-5 ,, 



Habitat — Andaman Islands. 



Tellina cancellata, sp. nov. 



Shell white, roundly ovate, sculptured with fine, radiate ribs 

 and concentric ridges presenting a delicately cancellate appearance ; 

 posterior side slightly acuminate ; anterior side rounded. 



Long. . . . . 9'5 mm. 



Lat. . . . . 12 ,, ... 



Habitat — Andaman Islands. 



This species may be separated from S. pretiosa, Desh. {=costata, 

 Sow.), its nearest relation, by its more oval form, less pointed 

 posteiior side and much finer and more delicate sculpture. 



Tellina incisa, sp. nov. 



Shell elongately oval, white, discoloured towards the umbona 

 region with reddish yellow, shining, slightly iridescent, sculptured 

 with concentric lines of growth and indistinct, irregular transverse 

 striae; anterior side somewhat acuminate; posterior side bluntly 

 beaked below, concavely truncate above, a notch appearing just 

 above the termination of the beak which is stained a ferruginous 

 brown; umboes small, inconspicuous. 



Long. . . , . 12 mm. 



Lat. .. .. 2075 „ 



Habitat — Andaman Islands. 



Tellina joiisseaumei , sp. nov. 



Shell roundly ovate, sub-equilateral, nearly equivalve, the left 

 valve somewhat compressed, chalky white, bearing traces of a 

 pale, greenish brown periostracum, marked with rather coarse con- 

 centric lines of growth and very fine, transverse striae ; anterior 

 side rounded ; posterior side more sharply rounded, flexuous, 

 obtusely angled above ; umboes small ^ central. 



Long. . . . . 32"5 mm. 



Lat. .. 39 ,, . 



Habitat — Andaman Islands. 



