THE 



AMEllICAN JOURNAL 



OF 



SCIENCE ANB 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.Geol. Soc, Paris; Mem. Roy. Min. Soc, 



Dresden; Nat. Hist. Soc, Halle; Imp. Agiic Soc, Moscow; Hon. Mem. 



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. 



/t^l 



\ 



VOL. XXIX. — J -A N UARY," 1836. 



NEW HAVEN: 



Sold by A. H. MALTBY and HERRICK & ^OYES,.— Baltimore, E. J. COALE 

 & Co.— Philadelphia, CAREY & HART and J. S. LIT TELL.— JVew York, G. 

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

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PRINTED BY HEZEKIAII HOWE & CO. 





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