THE 

 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, Moecow; Hon. Mem. 



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



Bristol, Eng. ; Hon. Mem. Roy. Sussex Inst. Brighton, Eng. ; 



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



Lit. and Scien. Soc in America. 



VOL. XXXIL— No. 1.— APRIL, 1837. 



FOR JANUARY, FEBRUARY, AND MARCH, 1837. 



NEW HAVEN: 



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

 HOMANS, (late E. J. Coale & Co.)— Philadelphia, CAREY & HART and 

 J. S. LITTELL.— JVe«; York, G. & C. CARVILL & Co., No. 78 Cedar St., and 

 G. S. SiLLIMAN, No. 45 William St— Boston, HILLIARD, GRAY & Co. 



PRINTED BY B. t. HAMLEN. 



