THE 
AMERICAN 
JOURNAL OF SCHENCE, 
AND ARTS. 
CONDUCTED BY 
BENJAMIN SILLIMAN, 
PROFESSOR OF CHEMISTRY, MINERALOGY, ETC. IN YALE COLLEGE; CGRRES- 
PONDING MEMBER OF THE SOCIETY OF ARTS, MANUFACTURES AND COM~ 
MERCE OF LONDON, MEMBER OF THE ROYAL MINERALOGICAT. 
SOCIETY OF DRESDEN, AND OF VARIOUS LITERARY AND 
SCIENTIFIC SOCIETIES IN AMERICA. 
VOL. IV.....1822. 
NEW-HAVEN: 
PRINTED AND PUBLISHED BY S. CONVERSE, FOR THE EDITOR. 
Sold by the Publisher and Howe & Spalding, New-Haven; Huntington & 
Hopkins, Hartford; Cummings & Hilliard, Boston; Ezekiel Goodale, 
Hallowel, Maine; A.T. Goodrich & Co. New-York; E. Littell, Phil- 
adelphia; Caleb Atwater, Circleville, Ohio; Thomas I. Ray, Augus- 
ta, Geo. ; Henry Whipple, Salem, Mass.; Edward J. Coale, Baltimore ; 
Timothy D. Porter. Columbia, S.C.; John Mill, Charleston, S. C.; Mil- 
ler & Hutchins, Providence, R.I.; Thomas R. Williams, Newport, R. I. ; 
William T. Williams, Savannah, Geo. ; Luke Loomis, Pittsburgh, Pa. ; 
Poni plone, Brunswick, Me.; Professor D. Olmsted, Chapel Hill Col- 
ege, N.C. Pa I ee) 
Ev IASTITY RSs 
Sy i 
