Class VI. CARDIUM. COCKLE. 189 



by a thin epidermis. Circumference six inches 

 and an half. Common. Tab. liv. Jig. 1. 



Lin. Syst. 1124. No. go. 

 Gm. Lin. 3252. 



Lin. Tr. viii. 65. 

 ilfo»f. Test. Br. 76. 



g. EDULE 



edible. 



Faun.Suec. No. 2141. List. 







Angl. tab. v. Jig. 34. 







C. with twenty-eight depressed ribs, trans- 

 versely striated 5 one side more salient than 

 the other. 



Common on all sandy coasts, lodged a little 

 beneath the sand ; their place marked by a de- 

 pressed spot. Delicious and wholesome food. 

 Tab. liii. jg. 3. 



Lin. Tr. viii. 66. Mont. Test. Br. 83. 10. RUBRUM. 



* C. with a shell somewhat circular, convex - } 

 the primary hinge teeth faint, the lateral more 

 discernible ; size one-eighth of an inch. 



Devonshire and Kentish coasts. 



Lin. Tr. viii. 66. Mont. Test. Br. 81. 11- nodo-' 



sum. 



* C. with a shell somewhat circular, compress- 

 ed, with twenty-four obtuse tuberculated ridges; 

 diameter three quarters of an inch. 



Discovered at Falmouth by Mr. Montagu. 



