306 



164. Tellina dispar '(pi. lix. f. 108, 113, 114.) Conrad, 

 Jour. Ac. N. S. Phikd. vol. vii. 



T. testa ovata, solidiuscula, satis convexa, nitida, Candida aut 

 rosea, subaequilaterali, postice breviore et obtuse angulata aut ob- 

 tusissime cuneiforrai, autice rotundata ; altera valvula leevi, altera 

 striis tenuissimis autice concentricis deinde obliquis confertim or- 

 nata; rnargine ventrali convexiusculo; dorsali utrinque baud 

 multum declivi aut convexo; ligamento' prominente ; flexura ob- 

 solete. 



Ovate, tolerably strong, moderately convex,, glossy, white or 

 rose-coloured, nearly equilateral, rounded in front, rather shorter 

 and very obtusely wedge-shaped or obtusely angulated behind; 

 one valve smooth, the other with fine strife, which are concentric 

 in front and then become oblique and crowded ; ventral margin 

 but slightly convex ; dorsal edges not greatly sloping or convex ; 

 ligament prominent ; flexure obsolete. 



Sandwich Isles; and Isle of Bohol, soft mud, eight fathoms, 

 (Cuming) . 



In some specimens there is a tinge of rose-colour near the dorsal 

 edges. 



165. Tellina littea (pi. lix. f. 103, and lxv. f. 249.) Gray 

 in Index Test. Sup. t. 1. f. 3 ; Hani. Des. Cat. p. 67. sup. 1. 1. f.3. 

 T. Guildfordife, Gray in Grif. Cuvier, Mol. t. 19. f. 2. 



Young ; T. alternidentata, Brod. and Sow., Zool. Jour. vol. iv. 

 p. 363 ; Zool. to Beechey Voy. t, 44. f. 5. 



T. testa ovali-subtrigona, subasquilaterali, subinrequivalvi, com- 

 pressiuscula, sublajvigata, albida, aut pallide rosea, epidermide 

 subviridi fugaci (in junioribus) induta, autice rotundata ; rnargine 

 ventrali subrecto aut convexiusculo ; dorsali antice sub declivi et 

 convexiusculo, postice declivi et prope ligamentum magnmn sub- 

 retuso deindeque convexo ; latere postico obtussissime cuneiformi ; 

 natibus erosis; fiexura obsoleta; superficie interna albido-rosea, 

 utrinque saturatius fucata, aut roseo subradiata ; dentibus prima- 

 riis in utraque valvula duobus, altero simphci, altero bicuspidato, 

 alternatim inter se insertis. 



Oval-subtriangular, subequilateral, rather compressed, slightly 

 ineqmvalve, nearly smooth, whitish or pale rose-colour under (in 

 young specimens only) a thin fugacious greenish epidermis ; ven- 

 tral edge but slightly (if at all) convex ; anterior side rounded, its 

 dorsal edge but slightly convex and not much sloping ; posterior 

 extremity very obtusely wedge-shaped, the dorsal edge near the 



