CONDUCTED BY 



BEjYJAMIJV si^\LIJ[MJY, 



PROFESSOR OF CHEMISTRY, MINERALOGY, ETO, Iff VALE COLLEGE} CORRES- 

 PONDING MEMBER OF THE SOCIETY OF ARTS, MANUFACTURES dND COM- 

 MERCE OF LONDON, ME5IBER OF THE ROYAL MINERALOGICAL 

 SOCIETY OF DRESDEN, AND OF VARIOUS LITERARY AND 

 SCIENTIFIC SOCIETIES IN AMERICA. 



VOL. Ill No. 2.....MAY, 1821, 



ENTIRE NUMBER, VIII. 



NEW-HAVEN: 



PRINTED AND PUBLISHED BY S. CONVERSE, FOR THE EDITOR. 



Soldbyllie Publisher and Howe k Spalding, New-Haven; Huntington &• 

 Hopkins, Hartford ; Cummings &i Hilliard, Boston ; Ezekiel Goodale, 

 Hallowei, Maine; A. T. Goodrich & Co. New-York; Littell and Henry, 

 Philadelphia; Caleb Atwater, Circleville, Ohio; Thomas 1. Ray, Augus- 

 ta, Geo. ; Henry Whipple, Salem, Mass. ; Edward ,T. Coale, Baltimore; 

 Timothy D. Porter, Columbia, S. C. ; John Mill, Charleston, S. C. ; Mil- 

 ler 81 Hutchins, Providence, R. I. ; Thomas R Williams, Newport, K. I. ; 

 William T. Williams, Savannah, Geo. ; Luke Loomis, Pittsburgh, Pa. ; 

 Daniel Stone, Brunswick, Me. ; Professor D. Olmsted, Chapel Hill Col- 

 lege. IS. G. 



