5Z>S,7^ 





THE 



AMERICAN JOURNAL 



OF 



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. Geol. Soc, Paris; Mein. Roy. JSEn. Soc, 



Dresden; Nat. Hist. Soc, Halle; Imp. A^ic 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. XXVU.— JANUARY, 1835. 



NEW HAVEN: 



PubUshed and Sold by HEZEKL\I1 HOWE & Co. and A. H. MALTBY. 



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

 & HART.— JVeio York, G. & C. & H. C ^RVILL.— Boston, BILLIARD, 

 GRAY & Co. 



PRINTED BY IIEZEKIAII HOWE & CO. 







