OYSTERS. 
Toothed. Zic-zac. Gaping. 
LETTER III. 
BIVALVES. 
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Tue shell in my little packet was gathered from a 
beautifully wooded cove in the Isle of Wight. It 
belongs to the genus Ostrea, a well known branch 
of the numerous family of Bivalve, whose habitats 
and instincts are designed to form the subject of this 
letter. They are, like the conies, ‘‘ but feeble folk,” 
D2 
