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» 
AMERICAN JOURNAL 
OF 
* 
SCIENCE AND ARTS. 
CONDUCTED BY 
BENJAMIN SILLIMAN, M. D. LL. D. 
| Psof. Chem,, Min., &c. in Yale Coll.; Cor. Mem. Soc. Arts, Man. and Com.; and 
_ - For. Mem. Geol. Soc., London; Mem. Roy. Min. Soc., Dresden; Nat. Hist. 
Soc., Halle; Imp. Agric. Soc., Moscow; Hon. Mem. Lin. Soc., Paris; 
Nat. Hist. Soc. Belfast, Ire.; Phil. and Lit. Soc. Bristol, Eng.; 
» Mem. of various Lit. and Scien. Soc. in America. 
VOL. XXIIL—No. N—JULY, 1832. — 
FOR APRIL, MAY, AND JUNE, 1832. 
“NEW HAVEN: 
Published and Suld by HEZEKIAH HOWE & Co. and A. H. MALTBY. 
Baltimore, E. J. COALE & J. S. LITTELL.—Philadelphia, E. LITTELL and 
CAREY & HART.—WNew York, G: & C. & H. CARVILL.—Boston, HIL- 
LIARD, GRAY, LITTLE & WILKINS. 
PRINTED BY HEZEKIAH HOWE & CO. 
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