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 striae; 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 

 broadr 



Inhabits the European Ocean, and Caspian Sea. 



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

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



RUGGED TELLEN. 

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



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



nis dentibus lateralibus duobus, primario in sinistra valva unicojisso, in 



altero 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 strise, 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 



