o 



CO^CHYLlA—DITIiY/iA. 22. «o 



Mya oblonga. Chemnitz, vi. p 27, tab. 2, (ig. 12. 



Cl)ama magna. Da Costa, p. 230, tab. 17, fig. 4. 

 Mus. nost. On the western coasts. 



Shell two inches and three quarters long, and five inches and 

 a half broad, thick opake and strong, of a dull white or reddish 

 yellow color: beaks near one end, from which runs a curved 

 slope giving the shell an elegant scymetar-like form, and an 

 oblique depression : the shorter end is rounded, and the longer 

 side truncate and somewhat angular. 



LuTRARiA testa ellipticii subeequilaterali ItzfiiiuscuM, iateribns puipc-a. 



rntiindatis. 

 Shell elliptical nearly equilateral and almost smooth, rounded at 



bofh ends. 

 Mactra Lutraria. Linn. S^st. Nat. p. 1126. 



Gme/in, Syst. p. 3259. 



Ttirton, Syst. Nat. iv. p. 211. 



Pennant, iv. p. 195, tab. 55, fig. 3. 



Chemnitz, vi. p. 239, tab. 2i, fig. 210, 241. 



Montagu, Test. Brit. p. 100. 



Donovan, British Shells, ii. tab. 58. 



Linn. Trans, vi. tab. 16, fig. 3 and 4. 



Linn. Trans, viii. p. 73. 



Turton, British Fauna, p. 155. 



Dorset Catal. p. 32, tab. 5. fig. 11. 



Dillwyn, Descript. Catal. p. 146. 



Ttirton, Conch. Diet. p. 84. 

 Chama magna. Da Costa, Brit. Conch, p. 230, Descript. 



K 



