— FOS 
Pee DS) Tah 8 
EXPLORING EXPEDITION. 
DURING THE YEARS 
1838, 1839, 1840, 1841, 1842. 
UNDER THE COMMAND OF 
Division of Mollusks 
CHARLES WILKES, U.S.N. Sectional Library 
WOE. xX PA, 
MOLLUSCA & SHELLS. 
BY 
AUGUSTUS A. GOULD, M.D., 
VACA IST IRE JVI ASS p18) PNET 
C at E 
BOSTON: NS; 
Nw 
GOULD & WEN COL N. a 
1852). 
Sectional Library- 
Dept. of Moll. U.S. N. M. 
Lea Collection. 
