148 TELLINA. 



BRITTLE TELLEN. 



7. Tellina fragilis. T. testa ovata, alba, gibba, striis transversis recur- 

 vatis ; natibus Jlavescentibus. Linn. Syst. Nat. ed. 12. p. 1117. 

 Linn. Gmel. p. 3230. 



Shell oval, white, gibbous, with transverse recurved stria? ; beaks yel- 

 lowish. 



Chem. Conch. 6. pi. 9. f. 84. 



This is a white shell, with decussated striae ; the 

 hinge has two teeth in one valve, and a single cleft tooth 

 in the other ; both valves are without lateral teeth. It 

 is about three quarters of an inch long, and an inch 

 broad. 



Inhabits the European Ocean, and Caspian Sea. 



This is a very different shell from the T. fragilis, of 

 Pennant, which shell is the Mya prcetenuis, of Montagu. 



RUGGED TELLEN. 

 PI. 41. f. 2, 3. Linnjean Society's Cabinet. 



8. Tellina rugosa. T. testa ovata, rugis transversis undulatis ; cardi- 



nis dentibus lateralibus duobus, primario in sinistra valva unico Jisso, in 



altera duobus. Linn. Gmel. p. 3230. 

 Shell oval, with transverse waved wrinkles; hinge with two lateral 



teeth ; left valve with a single cleft primary tooth, the other valve 



with two. 

 Born. Mus. Test. pi. 2. f. 3, 4. Chem. Conch. 6. pi. 8. f. 62. Encyclop. 



Method, pi. 270. f. 1. 



A whitish shell, with rugged, waved striae, and angu- 

 lated beak ; the inside is white, and there are two teeth 

 at the hinge in each valve ; there is a cleft tooth in one 



