264 



L'm. Sys. 1116; Lin. Mus. Uli-. 476. Chemn. vol. vi.-f. 63, 64; 

 Lain. no. 40 ; Hani. Des. Cat. p. 69. t. 3. f. 1. 



T. testa ovata, solida, compressiuscula, nitidiuscula, Candida; 

 margine ventrali arcuato ; dorsali antice subrecto et valde declivi, 

 postice elevatiore valde declivi paululmn convexiuscido dentato ; 

 latere antico longiore, angustato, rotundato ; extremitate postica, 

 obtuse biangulata ; lunula areaque ligamentali excavatis ; natibus 

 acutis, prominentibus, ligamento infosso ; dentibus lateralibus va- 

 bdis, sequidistantibus. 



Var. a. Sulcis irregularibus, rudioribus, subobKquis, concentri- 

 cis, postice exarata ; lineis suboblicpiis, exilibus, concentricis, antice 

 striata. Yar. h. Sculptura obsoletissima. 



Ovate, solid, ratlier compressed, and not very glossy, uniform 

 wliite ; ventral edge arcuated ; anterior side the longer, attenuated 

 but rounded at its extremity ; its dorsal slope sudden, and nearly 

 straight ; liinder side obtusely subangulated, its dorsal edge toothed, 

 rather short and scarcely convex, the slope sudden; hgament 

 sunken ; lunule and lozenge excavated ; beaks acute and prominent ; 

 fold and mnbonal ridge by no means conspicuous ; inside white, 

 or yellowish wliite ; the lateral teeth strong and subequidistant. 



Yar. a. Hinder side roughened by coarse irregidar rather ob- 

 lique concentric grooves ; anterior surface traversed by more or less 

 delicate rather obliquely concentric strise. Yar. b. Sculpture 

 almost entirely obsolete, but usually discernible on one of the 

 areas. 



Siquijor, Plnlippines, (Cuming), &c. 



77. Tellina spinosa (pi. Iviii. f. 40.) Hanleij, Zool. Proc. 

 1844. 



T. testa ovata, sohdiuscula, subimpohta, insequilaterali, convex- 

 iuscula, extus intusque albida, striis minutis elevatis confertissi- 

 mis concentrice asperata ; margine ventrali arcuato, postice sursum 

 acclinato, dorsali postice elevatiore convexo et dechvi, antice projie 

 nates acutas subincurvato, deinde subrecto subdechvi ; latere pos- 

 tico brevi ; extremitate antica rotundata ; extremitate postica spi- 

 narum duabus vel tribus seriebus radiantibus serrata ; Imiula parva 

 distincta ; ligamento infosso ; dente laterali antico subapproximato, 

 postico remoto. 



Ovate, moderately strong, inequilateral, not very convex, dull 

 wliitish, with minute elevated crowded concentric strise ; ventral 

 edge rather arcuated, and rising behind ; anterior side the longer, 

 its extremity rounded, its dorsal edge slightly incurved near the 



