188 TELLINA. 



perfect. It is very like the Venus undata, but has not, like 

 that shell, three teeth in one valve. It is the T. undata 

 of Dr. Pulteney. 



CROOKED TELLEN. 

 PI. 47. /. 7, 8. 



78. Tellina flexuosa. T. testa subgloboso-tenerrima, sinu ab umbone ad 



marginem decurrente. Act. Soc. Linn. 8. p. 56. 

 A very thin, somewhat globular shell, with a furrow running from the 



umbo to the margin. 

 Donov. Brit. Shells, pi. 42. f. 2. Mont. Test. Brit. p. 72. Penn. Brit. 



Zool. 1812. 4. p. 183. 



This is a very small, brittle, snow-white shell, with a 

 crooked margin, and a remarkable furrow running 

 from behind the apex to the posterior margin of the 

 shell, where it forms a flexure. The hinge has an 

 obsolete tooth. Length about three eighths of an 

 inch. 



Inhabits the south coast of Devonshire, and is found, 

 abundantly, in the sand of Falmouth harbour. It has 

 also been found at Tenby. This species is the Venus 

 sinuosa of Donovan. It was discovered by Mr. Mon- 

 tagu. 



