223 



2. Tellina Deshayesii (pi. lvii. f. 66.) Runlet/, Zool. Pruc. 

 1844. 



T. testa T. llostratse siinillima, sod albido-rosea, et lamellis sub- 

 remotis concentrice ornata ; margine etiaui ventrali convexiore. 



Extremely like T. rostrata, but of an uniform pale pinkish hue, 

 and the surface ornamented with concentric and rather distant la- 

 mellae ; the ventral margin more convex likewise, than in the pre- 

 ceding species. 



Eed Sea? 



3. Tellina Cumingii (pi. lviii. f. 72.) Hartley, Zool. Proc. 

 1844. 



T. testa elongato-oblonga, subsequilaterali, solida, compressius- 

 cula, vix nitida, albida aut flavescente, maculis strigis hneisve brun- 

 neis aut fusco-purpurascentibus radiata; concentrice sulcata, sulcis 

 antice confertis et subimbricatis, postice sublamellosis, remotius- 

 cuhs ; margine ventrali convexo, utrinque sursum acclinato ; dor- 

 sali utrinque subdeclivi, antice convexiusculo, postice subrecto, 

 subincurvato, subdentato ; latere postico attenuate, rostrate, paul- 

 lulum breviore, ad extremitatem biangulato ; costa umbonali valde 

 prominente ; ligamento inconspicuo ; superficic interna albida aut 

 fiavida; dentibus lateralibus validis, subgequidistantibus. 



Elongated-oblong, narrow, subequilateral, solid, rather com- 

 pressed, scarcely glossy, whitish, radiated with narrow brown or 

 chocolate-brown streaks or spots ; concentrically sulcated, sulci 

 fine, becoming elevated posteriorly, strong and coarse on the very 

 prominent umbonal ridge, attenuated in the hollow beyond, and 

 projecting again so as almost to dentate the straight or slightly 

 concave ligamental margin ; slopes very gentle ; front dorsal area 

 barred with coloured streaks ; anterior extremity rounded, but 

 somewhat attenuated ; hinder side narrowed, subrostrated, and 

 somewhat biangulated at the extremity ; inside white or pale yel- 

 lowish ; lateral teeth strong, and nearly equidistant. 



Guacomayo and America. 



4. Tellina crucigera (pi. lviii. f. 78, 79 ; and pl.lxii. f. 178.) 

 Lam., no. 7 ; Hani. Des. Cat. p. 61. 



T. testa oblonga, convexa, msequilaterali, nitidiuscula, albida. 

 lineis maculisque fulvo-aurantiis aut roseo-purpureis plerumque 

 radiata; (rarius immaculata, et radio brevi roseo ad mnbones 

 utrinque ornata), sulcis exilibus, distinctis, paululmn obliquis, con- 

 centrice exarata ; margine ventrali convexo, postice sursum accli- 

 nato; dorsali antice convexiusculo et vix paulidum declivi, postice 



m 2 



