248 



interruptis; margine ventrali couvexo, iitrinque (maxime auten: 

 postice) sursuin acclinato ; dorsali postice valde declivi prope um- 

 bones subincurvato moxque subrecto, antice convexiusciilo et paulo 

 declivi; latere postico brevi, acuminato; antico prodiicto, ad 

 cxtremitatem rotundato-obtuso ; natibus acutis, rubro-roseis ; liga- 

 mento infosso; superiicie interna alba aut flavescente; dentibus 

 latcralibus modicis^ baud remotis. 



LargCj suboval, subequivalve, inequilateral, strong, rather com- 

 pressed, nearly smooth or marked with concentric striulse ; of a 

 glossy wliite with brilliant rays of a rosy red ; ventral edge convex, 

 rising at each extremity, but more particularly so at the posterior 

 end wliich is short and acuminated ; anterior side produced, its 

 extremity obtusely rounded, its dorsal edge but sHghtly convex 

 and little sloping ; posterior dorsal edge greatly sloping, somewhat 

 incurved near the rather acute beaks wliich are always rosy-red, 

 and then nearly straight or but shghtly convex ; Hgament sunken ; 

 inside usually tinged with yeUow, lateral teeth moderately large 

 and distant. 



South Seas. 



49. Tellina chloroleuca (pi. Ixiii. f. 208, 210.) Lam. 

 no. 15 ; Rumphius t. 45. f. 1. 



T. testa ovata, subtenui, convexa, nitida, albida aut albido-fla- 

 vescente, radiis multis angustis palhde roseis ornata, sublsevigata, 

 (lineis obsoletis radiantibus ssepe versus marginem ventralem 

 strias concentricas confertissimas decussantibus) ; margine ventrali 

 arcuato, postice sursum acclivi; dorsali antice convexo aut con- 

 vexiusculo satisque dechvi, postice satis brevi convexiusculo et 

 valde declivi ; latere antico longiore, ad cxtremitatem rotundato ; 

 postico brevi, acuminato ; natibus roseis, prominuhs ; costa um- 

 bonali et flexura ventrah conspicuis ; ligamento angusto infosso ; 

 superficie interna albido-flavescente ; dentibus lateralibus, distinctis, 

 subsequidistantibus. 



"Var. Radiis albidis et rubro-aurantiis picta ; natibus vix roseis. 



Ovate, convex, rather thin, of a glossy yellowish wliite, with 

 numerous interrupted narrow rays of a pale rose colour, nearly 

 smooth, (often decussated towards the arcuated and posteriorly 

 rising ventral margin with concentric striulge and obsolete radiating 

 Hues) ; anterior side the longer, its extremity rounded, its dorsal 

 edge convex and moderately sloping ; posterior side acuminated, 

 very sHghtly beaked and rather short, the dorsal edge but slightly 

 convex and much sloping ; beaks of a deep rose-colour and rather 

 prominent; ligament narrow and sunken; umbonal ridge and 



