-,^^ cAZ^/ / ^ 



w Y 



6- ^- 



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. Geo!. Soc, London ; Mem. Geol. Soc, Paris; Mem. Roy. Min. Soc, 



Dresden; Nat. Hist. Soc, Halle; Imp. A^ric Soc, Moscow; Hon. Mem. 



Lin. Soc, Paris; Nat. Hist. Soc. Belfast, Ire.; Plnl. and Lit. Soc 



Bristol, Eng.; Lit. and Hist. Soc, Quebec; Mem. of various 



Lit. and Scien. Soc. in America. 



VOL. XXXI.— ^AW^J^AilY-; 1837. 



NEW HAVEN: 



Sold by A. H. MALTBY and HERRICK & NOYES.— ^aKwiore, I. SMITH 

 ROMANS, (late E. J. Co ale & Co.)— Philadelphia, CAREY & HART and 

 J. S. LITTELL.— JVew York, G. & C. CARVILL & Co., No. 73 Cedar St., and 

 G. S. SILLIMAN, No. 45 William ^t.— Boston, BILLIARD, GRAY & Co. 



PRINTED BY B. li. HAMLEN. 



I 



i 



^^^^fi^^ 



Kj-mm^^''% 



