THE 



AMERICAN JOURNAL 



OF 



SCIENCE AND ARTS 



CONDVCTED BT 



BENJAMIN SILLIMAN, M. D. LL. D. 



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



For. Mem. Geol. See, London; Mem. Geol. See, Paris; 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, £n|;.; Mem. of various Lit and Scien. Soc. in America 



VOL. XXVII.— No. 1.— OCTOBER, 1834. 



FOR JULY, AUGUST, AND SEPTEMBER, 1834. 



NEW HAVEN: 



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

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

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