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AMERICAN JOURNAL 



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OF 



SCIENCE AND ARTS. 



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CONDUCTED BY" 



BENJAMIN SILLIMAN, M. D. LL. D. 



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Prof. Chem., Min., &c. in Yale Coll.; Cor. Mem. Soc. Arls, Man. and Com. ; and 



For. Mem. Geol. Soc, London; Mem.Geol.Soc, Paris; Mem. Roy. Min. Soc, 



Dresden; Nat. Hist Soc, Halle; Imp. A^dc. Soc, Mosco\v; Hon. Mera. 



Lin. Soc, Paris; Nat. Hist. Soc Belfast, Ire; Phil, and Lit. Soc 



Bristol, Eng.; Lit. and Hist, Soc, Quebec; Mem. of various 



Lit. and Scien- Soc in America. 



VOL. XXIX.— JANUARY, 1836 



NEW HAVEN: 



Sold by A. H. MALTBY and HERRICK & JiOYES.—BaJiimore, E. J. COALE 

 & Co.— Philadelphia, CAREY & HART and J. S. LITrELL.— JTeu; York, G. 

 & C. CARVILL & Co., No. 73 Cedar St., and G. S. SILLIMAN, No. 48 Broad- 

 yf^y .—Boston, BILLIARD, GRAY & Co. 



FKINTED BY HEZEKIAII HOWE & CO 



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