Tellina. mollusc a. DONACIDiE. 435 



479. T. lincata. — Shell oval, with crowded transverse striae, 

 one valve double toothed, one of the teeth cloven, with a lateral 

 one on each side, the other valve with a single cloven tooth and 

 no lateral ones. 



Turt. Biv. Brit. 99. ti vii. f. 1 — Teignmouth Bay. 

 Length fths, breadth |ths of an inch; white, with a pale and longitudinal 

 stripe from the beaks to the oral extremity ; thin, semitransparent, with nu- 

 merous fine transverse strise, strongest at the extremities. 



480. T. pumcea. — Oval, oblong, with transverse strise, and 

 minute longitudinal ones ; one valve double toothed, with a 

 single lateral one, the other with a single primary and lateral 

 tooth. 



Turt. Lin. Trans. \v. 194.— T. Iseta, PuU. Dorset. 29. Mont. Test. Brit. 



57 — T. insequistriata, Don. Brit. Shells, t. cxxiii. — T. punicea, Turt. 



Biv. Brit. 100. — South coast of England and Dunbar, rare. 



Length three-quarters of an inch, breadth upwards of an inch; variously 



tinged with pink ; the concentric striae are regular and strong ; one of the 



primary teeth bifid, the lateral one contiguous, broad and oblique. 



481. T.Jxihida. — Shell oval, contracted retrally; the left 

 valve obliquely striated. 



Tuit. Linn. iv. 194 — Don. Brit. Shells, t. xcvii — Mmt. Test. Brit. 01. 

 — Turt. Biv. Brit. 101 — Sandy coasts, common. 

 Length half an inch, breadth three quarters ; thin, glossy, white and iri- 

 descent ; concentrically striated irregularly ; a single tooth in the right valve, 

 with a minute adjacent denticle ; two teeth in the left, and a rounded lateral 

 one. 



482. T. similis. — Shell oval, with both valves obliquely stria- 

 ted. 



Sffwer. Brit. Misc. t. Ixxv.— Turt. Bi\\ Brit. 102 — Southern shores of 

 England. 

 This shell is not so broad as the preceding, being broader and more abbre- 

 viated retrally ; the oblique striae are finer and more remote, and there is a 

 lateral tooth in each margin. 



483. T. donacma. — Shell oval, transversely striate, very ob- 

 tuse anteally ; in one valve two teeth, and a lateral one on each 

 side; in the other a single primary tooth. 



Linn. Syst. i. \\\8.—Mont. Test. Brit. 58. t. xxvii. £ 3 Turt. Biv. 



Brit. 103 — Vai-ious parts of the coast, rare. 

 Length three quarters, breadth one inch and a quarter ; yellowish, M'ith 

 red, often interrupted, longitudinal rays ; hinge with a single cloven tooth in 

 one valve, and no lateral ones ; in the other, two teeth, one of them cloven, 

 and a strong, rather remote, lateral tooth on each side. 



484. T. Inmaculata. — Oval-triangular, shghtly striate trans- 

 versely, a little angular retrally ; in one valve two teeth, and 

 lateral ones ; in the other a single tooth, and lateral ones. 



T. lata. List. Conch, t. ccclxxxv. — T. bim. Linn. ^Syst. 1120.— Z)o?i. Brit. 



Shells, t. xix. f 1 — Mont. Test. Brit. 09 Turt. Biv. Brit. 103, t. viii, 



f. 5. 



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