231 



T. rostrata, Born. t. 2. f. 10 ; Poli. Tes. Sic. vol. xv. f. 8 ; T. virgata, 

 var. Chem, vol. vi. p. 72. 



T. testa oblonga, angusta, tcniii, comprossa, iiitida, radiis roseis 

 vel roseo-aurantiis et albidis vel ilavidis elegantcr ornata, striis con- 

 i'crtis cxilibus concentricc sulcata ; margine veiitrali subrecto ; latere 

 antico producto, rotundato ; postico breviorc, valde atteiiuato, sub- 

 rostrato ; margine dorsali antice pauliiluin declivi, postice valde de- 

 cbvi, convexo, intiisque roseo; uatibus albidis; superficie iutcrua 

 albido-rosea ; dentibus lateralibus vaHdis^ antico subapproxiinato. 



Yar. testa omniuo rosea. 



Elongated-oblong, very thin, compressed, glossy, rayed witli rose- 

 colour and white, the former often passing into orange, the latter 

 tinged usually ^nth yellow; more rarely of an uniform rose-colour, 

 except the tips of the beaks which are always pale or whitish ; most 

 delicately but regularly and closely striated concentrically ; ventral 

 edge neai'ly straight ; anterior side produced, its slope very gentle, 

 its extremity rounded ; posterior side shorter, much attenuated, sub- 

 rostrated, the dorsal slope great but convex ; inside pink, hgamcn- 

 tal edge rosy ; lateral teeth strong, anterior one subapproximate. 



Mediterranean. 



18. Tellina virgulata (pi. Ivi. f. 5.) Ilanleij, Zool. Proc. 

 1844. 



T. testa Bonachia. similhma, sed paululum angustiore, striiscpie 

 exilioribus ornata ; extus intusque albida, rosco-radiata ; radiis latis, 

 hand interruptis ; margine dorsah antice albido. 



Extremely like Donaclna, but the shape is slightly narrower, the 

 striae more dehcate, and the colouring consists of a few interrupted 

 rose-coloured rays upon a white ground ; the interior dorsal edge 

 is wliite. 



Mus. Cuming. 



19. Tellina distouta (pi. Ivi. f. 6.) PoUy Test. Sic. vol. i. 

 1. 15. f. 11 ; Pliilip. Mol. Sic. vol. i. p. 25. 



T. testa ovato-oblonga, compressiuscula, tenui, nitida, subpellu- 

 cida, pallidc roscu aut aurantio-rosea, radiis saturatioribus plerum- 

 que picta ; concentricc striata, striis minimis et postice clevatis ; mar- 

 gine ventrali convexiusculo; dorsali utrinque subrecto, antice minime 

 dechvi ; latere antico longiore, ad extremitatem obtuse rotundato ; 

 extremitate postica cuneiiormi, paululmn subrostrata ; tlexura cos- 

 taque umbonali subinconspicuis ; ligamento parvo, satis promi- 

 iiente ; dentibus lateralibus distinctis, postico subremoto. 



N 2 



