f5 fA ¢ A. a ki ¢ 
THE 
AMERICAN JOURNAL 
OF 
SCIMNGE AND ARTS. 
CONDUCTED BY 
PROFESSOR SILLIMAN 
AND 
BENJAMIN SILLIMAN, Jr. 
VOL. XLV.—@@#OBER, 1843. 
NEW HAVEN: 
Sold by B. NOYES.—Boston, LITTLE & BROWN and W. H.S. JORDAN.— 
New York, WILEY & PUTNAM, C.S. FRANCIS & Co., and G. 8. SILLI- 
MAN.—Piuladelphia, CAREY & HART and J. S. LITTELL.— Baltimore, 
Md., N. HICKMAN.—London, WILEY & PUTNAM.—Paris, HECTOR 
BOSSANGE & Co.—Hamburgh, Messrs. NESTLER & MELLE. 
aN IN a 
EWAN TP NS 
YRS ON 
PRINTED BY B.L. HAMLEN,. 
