CHAPTER II. 



Localities of Shells ^ Vc. 



SHELL-FISH are generally esteemed for food, 

 and a great variety of shells are in the mar- 

 ket of almost every sea-port, both abroad and at 

 home: at Billingsgate, Portsmoutli, Plymouth, 

 &c. we have our periwinkles or whelks, muscles, 

 cockles, scallops, gapers, and oysters ; the same 

 species are also exposed for sale in the markets 

 of other countries, but they differ from those 

 which are found on the English coasts. The 

 pectens, scallops, cockles, &c. from France and 

 Spain differ from our's, which renders it desira- 

 ble to possess them. The common shells (except 



