ot a y 
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; 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, Eng.; Lit. and Hist. Soc., Quebec; Mem. of various 
Lit. and Scien. Soc. in the United States. 4 
VOL. XXVIII.—#ULY, 1835. 
NEW HAVEN: 
Published and Sold by HEZEKIAH HOWE & Co. and A. H. MALTBY. 
Baltumore, E. J. COALE & Co.—Philadelphia, J. S. LITTELL and CAREY 
& HART.—.Vew York, G. & C. CARVILL & Co. and by G. S. SILLIMAN. 
—Boston, HILLIARD, GRAY & Co. 
PRINTED BY HEZEKIAH HOWE & CO. 
