TELLINA. 187 



MILKY TELLEN. 



76. Tellina lactea. T. testa lentiformi, gibba, alba, pellucida, Itevi. 



Linn. Syst. Nat. ed. 12. p. 1119. Linn. Gmel. p. 3240. 

 Shell lens-shaped, gibbous, white, pellucid, smooth. 

 Gualt. Test. pi. 71. f. D. Chem. Conch. 6. pi. 13. f. 125. Pult. in 



Hutch. Dorset, pi. 5. f. 9. Mont. Test. Brit. p. 70. pi. 2. f. 4. Linn. 



Trans. 8. p. 56. Penn. Brit. Zool. 1812. 4. p. 182. 



A thin, convex, orbicular, white shell, marked with 

 obsolete, transverse stria?, and a few antiquated ridges. 

 Inside white; hinge furnished with two very small teeth 

 in one valve, and one in the other ; a deep furrow runs 

 from the apex, by the side of the teeth, in each valve. 

 Length about three quarters of an inch ; breadth the 

 same. 



Inhabits the Mediterranean, and is found, though 

 not commonly, on several parts of the shores of Great 

 Britain. Live shells are very rare in England. 



ROUND TELLEN. 



77. Tellina rotund ata. T. testa subconvexa, orbiculari, valvulis biden- 

 tatis, dente altero bifido, altero divergente. Act. Soc. Linn. 8. p. 56. 



Shell orbicular, and somewhat convex ; two teeth in each valve, one 

 bifid, the other rather diverging. 



Pult. in Hutch. Dorset, pi. 5. f. 8. Mont. Test. Brit. p. 71. pi. 2. f. 3. 

 Penn. Brit. Zool. 1812. 4. p. 182. 



A subdiaphanous, white shell, marked with nearly 

 obsolete, transverse striae ; the apex is small, and 

 turned a little on one side. Inside white and very smooth. 

 Length an inch. 



Inhabits the British shores, at Poole in Dorset- 

 shire, and on the Western coasts, but is rarely found 



