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; hinge-margin narrow, 

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

 Singapore, Isle of Burias, &c. 



29. Tellina albinella (pi. lxi. f. 164, 16G.) Lam., no. 17 ; 

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



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

 nitidiuscula, extus intusque albida ; altera valvula, sublsevigata, 

 alterius area, postica concentrice striata ; margine ventrab vix con- 

 vexiusculo; dorsah antice arcuato et decbvi, postice decbvi et 

 subincurvato ; ligamento infosso ; flexura subinconspicua ; costa. 

 umbonaU carinata; dentibus lateralibus perparvis, inconspicuis, 

 antico approximate Var. Eosea. 



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

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

 smooth, except on the posterior half of one of the valves winch 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 slightly beaked, the ligamental edge moderately sloping, and 

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

 very small, indistinct, the anterior one closely approximate. 



Yar. Eose-coloured. 



Australia. 



30. Tellina rosea (pi. lxi. f. 170) Spengler, Schriv. Natur. 

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



T. testa oblonga, crassissima, subsequilaterab, convexiuscula, 

 iutida, rosea, sublsevigata, striis concentricis tenuissimis, lineisque 

 radiantibus obsoletis tantum signata; striis posticis prope nates 

 acutas remotis, subelevatis; margine ventrali convexo, postice 

 acebvi; dorsali utrinque decbvi, antice convexo, postice subrecto 

 plerumque subincurvato ; latere postico subcuneiformi ; extremi- 

 tate postica subacuminata ; costa, umbonali angusta ; flexura incon- 

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

 sionibus muscularibus fortiter impressis ; margine cardinab intus 

 lato, vabdo ; dentibus lateralibus parvis, subsequidistantibus, setate 

 obsoletis. 



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



o 



