PLATE XLIV. 



Clonlsse de la Mediterran^e (VAvila. Cab. p. 333. No. 762. 

 Venus Erycina, Sicilian. PcJin. Brit, Zool. No. 48. tab. 5^. jig. 48, 

 Cornwall heart cockle, with rugged girdles. Petiv. Gazoph. tab. 93. 



fg. n. 



Pcctunculus crassissimus strigatus, strlgis ex latere bullatis, strigatus, 

 ridged. Da Costa Br. Conch, p. 185. sp. 3, 

 Tab. \2.fg.\.\. 



Da Costa says, " this species is rare in our seas. Tlie shores of 

 Cornwall afford them, and they have been got in Devonshire and 

 Dortsetshire." They have also been found on the eastern coast of 

 Sussex, but not frequently. 



