237 



curving up posteriorly ; anterior side rather the longer, its extre- 

 mity obtusely rounded, scarcely any dorsal slope, but the edge 

 convex ; posterior side beaked, its dorsal edge moderately sloping 

 and convex at its termination, its extremity obtusely subangulated ; 

 umbones rather tumid; ligament sunken; liinge-margin narrow, 

 a callus near the teeth ; lateral teeth thin, equidistant, indistinct. 

 Singapore, Isle of Burias, &c. 



29. Tellina axbinella (pi. Ixi. f. 164, 166.) Lam., no. 17 ; 

 Hani. Des. Cat. p. 63. sup. 1. 14. f. 3. 



T. testa oblongo-ovali, subsequUateraLi, tenuiuscula, complanata, 

 nitidiuscula, extus intusque albida; altera valvula sublsevigata, 

 alterius area postica concentrice striata ; margine ventrali vix con- 

 vexiusculo; dorsali antice arcuato et declivi, postice decUvi et 

 subincurvato ; ligamento infosso; flexura subinconspicua ; costa 

 umbonali carinata; dentibus lateralibus perparvis, inconspicuis, 

 antico approximato. Var, Rosea. 



Oval-oblong, rather thin, flat, subequilateral, slightly glossy, 

 whitish, (usually with a fulvous stain towards the beaks,) nearly 

 smooth, except on the posterior haK of one of the valves which is 

 deeply and distinctly striated concentrically ; ventral edge nearly 

 straight in the middle and rising behind ; front dorsal edge arched 

 and deeply sloping; posterior side acuminated, angulated below, 

 and sHghtly beaked, the Hgamental edge moderately sloping, and 

 rather incurved ; ligament sunken ; inside wliitish, the lateral teeth 

 very small, indistinct, the anterior one closely approximate. 



"Var. Kose-coloured. 



Australia. 



30. Tellina eosea (pi. Ixi. f. 170) Sjjengler, Schriv. Natur. 

 Gelsta.Kioben. vol.4. 1798; T.paUide rosea, Chem. vol.6, f.96. 



T. testa oblonga, crassissima, subsequilaterali, convexiuscula, 

 iiitida, rosea, subl8e\agata, striis concentricis tenuissimis, lineisque 

 radiantibus obsoletis tantum signata; striis posticis prope nates 

 acutas remotis, subelevatis; margine ventrali convexo, postice 

 acclivi ; dorsah utrinque declivi, antice convexo, postice subrecto 

 plerumque subincurvato; latere postico subcuneiformi ; extremi- 

 tate postica subacuminata ; costa umbonali angusta ; flexura incon- 

 spicua ; ligamento infosso ; superficie interna rosea, polita, impres- 

 sionibus muscularibus fortiter impressis ; margine cardinah intus 

 lato, vaKdo ; dentibus lateraHbus parvis, subsequidistantibus, setate 

 obsoletis. 



Oblong, very sohd, subequilateral, rather convex, glossy, pink, 



o 



