2G;3 



Suborbifiular, solid, nearly equilateral, from convex to subventri- 

 cose, dull dirty white, sculptured with nmnerous somewhat obso- 

 lete radiating costellae, which are decussated by very fine raised 

 crowded concentric striffi ; ventral edge arcuated ; the dorsal sloping 

 from the rather prominent beaks on either side, and rather the more 

 convex in front ; anterior side rounded, posterior obtusely subangu- 

 lated ; ligament sunken, fold and umbonal ridge not conspicuous ; 

 inside white ; lateral teeth large, the front one the nearer. 



Var. Larger, wliite ; the hinder (and not as in the type,) the 

 front), dorsal edge the more elevated ; the striae more elevated and 

 rather more distant. 



Australia; the variety from Ceylon. 



75. Tellina CAENicoLOR, (pl.lvi. f.l5.); T.incarnata//ayi/e//, 

 Zool. Proc. 1844. 



T. testa obovata, subobliqua, ingequilaterali, ventricosa, solida, 

 incarnata aut albido-rosea, impolita; striis elevatis concentricis 

 tenuissimis strias radiantes elevatas confertissime decussantibus ; 

 margine ventrali arcuato, postice sursum accliviore ; dorsah antice 

 declivi et prope nates paululum incurvato, postice elevatiore subar- 

 cuato et subito dechvi ; latero autico longiore, rotundato ; extremi- 

 tate postica rotundato-angulata ; ligamento angusto, parvo, infosso ; 

 natibus acutis, prominentibus ; flexura costaque umbonaH subobso- 

 letis; lunula lanceolata; superficie interna flavescente, margiues 

 versus subrosea ; dentibus laterahbus maximis, subsequidistantibus. 



Obovate, rather obKque, dull, soKd, ventricose, pinkish white, 

 or flesh-coloured, closely decussated by elevated radiating, and by 

 fine concentric lamellar stria? ; ventral edge arcuated, and ascending 

 posteriorly ; anterior side the longer, its extremity rounded and 

 shghtly attenuated, its dorsal edge slopmg, and near the acute and 

 prominent beaks, somewhat incurved ; liinder extremity subangu- 

 lated, the more elevated ligamental edge sloping rather suddenly, 

 and in an arcuated Line ; ligament small, narrow, and sunken ; um- 

 bonal ridge and fold nearly obsolete ; a lanceolate lunide ; inside 

 yellowish, pink near the mai'gins ; lateral teeth very large and 

 nearly equidistant. 



San Nicolas, Zebu. 



In almost every adidt specunen the tips of the beaks are chalky 

 wdiite^ the umbones yellow^, and the ligamental edge rosy. 



I had inadvertently designated this shell with a pre-occupied 



name. 



76. Tellina gargadia (pi. Ixi. f. 156 and pi. Ixh. f. 181,) 



R 2 



