, . we 
SGX 
MOLL. SHELLS OF NEW ENGLAND. 
A REVISION OF THE SYNONYMY 
OF THE 
TESTACEOUS MOLLUSKS 
OF 
NEW ENGLAND, 
WITH NOTES ON THEIR STRUCTURE, AND THEIR GEOGRAPHICAL 
AND BATHYMETRICAL DISTRIBUTION. 
WITH FIGURES OF NEW SPECIES, 
By WILLIAM STIMPSON. 
Leda thracieformis. 
BOSTON: 
PHILLIPS, SAMPSON, AND COMPANY. 
1851. 
J4G 2 2+ 
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