311 



T. testii ovata aiit ovato-oblonga, solicliuscula, subEGquilaterali, 

 convexa, nitida, Candida, conccntricc substriata ; marginc vcntrali 

 convexiusculo ; dorsali antice subrecto et paiilulum dcclin, postice 

 recto et valde declivi ; extremitate autica rotundato-obtusa ; latere 

 postico cuneiformi, subrostrato; ilexura vcntrali distincta; liga- 

 mento infosso ; superficie interna Candida, subniargaritacea. 



Ovate or ovate-oblong, tolerably lirm, nearly equilateral, convex, 

 glossy, wliite, concentrically substriated ; ventral margin slightly 

 convex J dorsal nearly straight and very slightly sloping in front; 

 quite straight and much sloping beliind ; anterior end obtusely 

 rounded ; posterior side wedge-shaped, and subrostrated ; llexure 

 distinct ; ligament sunken ; outside white and somewhat peai-ly. 



Bias, Isle of Negros, Pliilippines. 



176. Tellina ALA(pl.k. f. 137, 146.)//aw%,Zool.Proc. 1844. 



T. testa ovata, solidiuscula, subin?equivalvi, subfrc[uilaterali, 

 nitida, convexiuscula, extus intusque albida,^ radio brcvi pallide 

 aurantio in adultis utriuque ornata, concentrice substriata ; margnie 

 ventrali magis minusque convexo ; dorsaH antice convexo et'sub- 

 declivi, postice declivi et prope nates subretuso ; latere^ antico 

 rotundato, longiore ; postico angulato, subrostrato ; ilexura costa- 

 que [umbonah conspicuis ; hgamento inlbsso ; cardine dentibus 

 primariis parvis, et nonnunquam dente laterali antico rudimentali, 

 instructo. ^ 



Var. ovato-trigona, solida, Isevi aut sublaevigata, convexa, nequa- 

 quam rostrata ; flexm-a costaque umbonali subinconspicuis. 



Ovate, tolerably solid, very sHghtly inequivalve, nearly equila- 

 teral, rather convex, of a silky gloss, concentrically substriated, 

 whitish within and without, with (in adidt specimens) a short pale 

 orange streak radiating on either side from the beaks ; ventral edge 

 more or less convex ; anterior side rather the longer, rounded at its 

 extremity, its dorsal edge convex, and not greatly sloping ; poste- 

 rior side angulated and subrostrated, its dorsal edge refuse near 

 the beaks, and decidedly sloping; fold and Hexure conspicuous; 

 ligament rather sunken ; primary teeth small, sometimes a rudi- 

 mentary anterior lateral one 



Yar. Ovate-triangular, sohd, convex, nearly or quite smooth, 

 not at all beaked, the orange rays clearly visible ; fold and llexure 

 by no means conspicuous. 

 Ceylon. 



177. Tellina nymphalis (pi. Ixii. f. 196.) Lam. no. 50; 

 Haul. Des. Cat. p. 70. 



z s 



