234 



There being a prenous Brasiliana, the subsequent name of Tur- 

 ton must be adopted. 



23. Tellina gelida, Kanley. 



T. testa elliptica^ sequilaterali, solidiuscula, subinsequivalvi, con- 

 vexiuscula, subnitida, intus extusque Candida^ lineis elevatis conceii- 

 tricis subconfertim striata, striis antice ct postice elevatioribus ; 

 margine ventrali convexo; dorsali utrinque subdeclivi, subrecto, 

 antice lamellis lanceolatis dentato ; natibus haud incumbentibus ; 

 extremitate antica rotundata ; postica subbiangulata, costa umbo- 

 nali distincta; ligamento infosso; dentibus lateralibus subsequi- 

 distantibus. 



Elliptic, equilateral, slightly inequivalve, tolerably strong, mo- 

 derately convex, scarcely glossy, wliite both witliin and without, 

 with elevated and rather close concentric lines, which are stronger 

 at the extremities, interstices quite smooth ; ventral edge convex ; 

 dorsal but moderately sloping on either side, nearly straight, den- 

 tated in front by lanceolate lamellae ; beaks not iuchniug ; front 

 extremity rounded, liinder one somewhat biangdated ; fold distinct ; 

 ligament sunken ; lateral teeth nearly equidistant. 



Mus. Belcher. 



Unfortunately a figure of tliis distinct species cannot be given^ 

 as the possessor of the unique specimen is not in England. 



24. Tellina seurata (pi. Ixv. f. 256.) Coda, p. xvi. no. 8; 

 Pliilip. En. Mol. Sic. p. 25 ; Ab. und Bes. Conch, part 5. t. 5 f. 5. 



T. testa ovah-trigona, sohdiuscula, satis convexa, insequilaterah, 

 nitidiuscula, intus extusque albida, (umbonibus plermnque flavis ;) 

 concentrice striata, striis exilibus, confertissimis, antice postice et 

 inferne subelevatis ; margine ventrali convexiusculo ; dorsali an- 

 tice convexiusculo vixque declivi, postico subrecto et valde declivi ; 

 latere antico longiore, ad extremitatem rotundato ; postice cunei- 

 formi ; costa umbonali satis conspicua ; natibus acutis ; ligamento 

 infosso ; dentibus lateralibus, magnis, haud remotis, subsequidis- 

 tantibus. 



Subtriangularly oval, tolerably solid and convex, inequilateral, 

 shghtly glossy, within and vrithout whitish, with the umbones usu- 

 ally bright yeUow, most closely and delicately striated ; the striae 

 raised at the extremities and towards the moderately convex ven- 

 tral margin ; front dorsal edge moderately convex and not much 

 sloping, hinder one straightish and considerably sloping ; front side 

 the longer, its extremity rounded ; liinder side wedge-shaped ; fold 



