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THE 



AMEHICAN JOURNAL 



OP 



SCIENCE AND ARTS. 



CONDUCTED BY 



BENJAMIN SILLIMAN, M. D. LL. D. 



Prof. Chein., 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, 



Dvesden; 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 America. 



VOL. XXX.— No. 1.— APRIL, 1836. 



FOR JANUARY, FEBRUARY, AND MARCH, 1836. 



NEW HAVEN; 



Sold by A. H. MALTBY and HERRICK & NOYES.— Baltimore, E. J. COALE 

 & Co.—Philadelphia, CAREY & HART and J. S. LITTELL.— JVct» York, G. 

 & C. CARVILL & Co., No. 73 Cedar St., and G. S. SILLIMAN, No. 48 Wall 

 Street.— JSoston, HILLIARD, GRAY & Co. 



PRINTED BY B. L. HAMLEN. 



