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SCIENCE AND ARTS. 



CONDUCTED BY 



BENJAMIN SILLIMAN, M. D. LL. D. 



Prof. 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. XXTV.-JULY, 1833 



NEW HAVEJN 



Published and Sold by HEZEKIAII HOWE & Co. and A. H. MALTBY. 



Baliimore, E. J. COALE & Co.— Philadelphia, J. S. LITTELL and CAREY & 

 HART.— JVeto York, G. & C. & H. CARV1LL.— Boston, HILLIARD, GRAY, 

 LITTLE & WILKINS. 



PRINTED BY HEZEKIAH HOWE & CO. 





