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UNITED STATES 



Pit 



M* EXPLOKING EXPEDITION. 



T^\^f T , 2irtr\ DURING THE TEAKS 



1838, 1839, 1840, 1841, 1842. 



UNDER THE COMMAND OF 



CHARLES WILKES, U.S.N. 

 VOL. SS, 



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v 



M «"» « o™,, ao „ 



CKUSTACEA. 



BY 



JAMES D. DANA, A.M., 



MEMBER OF THE SOC. CiES. NAT. CUR. OF MOSCOW; THE SOC. PHILOMATHIQUE OF PARIS; THE 



GEOLOGICAL SOCIETY OF LONDON J THE AMERICAN ACADEMY OF ARTS AND SCIENCES 



AT BOSTON; THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA, ETC. 



WITH A FOLIO ATLAS OF NINETY-SIX PLATES. 



PAKT II. 



PHILADELPHIA: 

 PRINTED BY C. SHERMAN. 





■-:" LIBRARY 

 Mrlslon o$ Oruataeae 





