| AMERICAN JOURNAL | 
et ol 
OF 
' rv 
CIENCE AND ARTS. 
‘ : CONDUCTED BY 
BENJAMIN SILLIMAN, M. D. LL. D. 
j|- 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. Soe., 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. 
VOL. XXVIII.—No. 2.—JULY, 1835. 
FOR APRIL, MAY, AND JUNE, 1835. 
NEW HAVEN: 
#} Published and Scld by HEZEKIAH HOWG & Co, and A. H. MALTBY. 
it Balimmore, E. J. COALE & Co.—Philadeiphia, J. 8. LITTELL and CAREY 
& HART.—Wew York, G. & C. CARVILL & Co, and by G. S. SILLIMAN. 
—Boston, HILLIARD, GRAY & Co. ; 
PRINTED BY HEZEKIAH HOWE & CO. 
