t ft 



THE 



AMERICAN 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; Mera. Roy. Min. Soc, Diesden; Nat, Hist 



Soc, Halle; Imp. Agiic. Soc, Moscow; Hon. Mem. Lin. Soc, Paris; 



Nat. Hist. Soc. Belfast, Ire.; Phil, and Lit. Soc. iiiislol, Eng.; 



Mem. of various Lit. and Scien. Soc. in America. 



VOL. XXV.— Js » tNUARY > 1834. 



NEW HAVEN: 



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

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

 HART.— J\rew York, G. &C.& H. CARVILL.— ^osfora, HILLIARD, GRAY, 

 LITTLE & WILKIN S. 



PRINTED BY HEZEKIAII HOWE & CO. 







