AMERICAN JOURNAL 
OF 
_ SCIENCE AND ARTS. 
CONDUCTED BY - 
“PROFESSOR SILLIMAN 
AND 
BENJAMIN SILLIMAN, Jr. 
VOL. XLV.—No. 2.—OCTOBER, 1843, 
FOR JULY, AUGUST, AND SEPTEMBER, 1843. 
“ 
NEW HAVEN: 
Sold by B. NOYES.—Boston, LITTLE & BROWN and W. H. 8, JORDAN.— 
New York, WILEY & PUTNAM, C.S. FRANCIS & Co., and G. S. SILLI- 
MAN.—Philadelphia, CAREY & HART and J. S. LITTELL.—Baltimore, 
Md., N. HICKMAN.—London, WILEY & PUTNAM.—Paris, HECTOR 
BOSSANGE & Co.—Hamburgh, Messrs. NESTLER & MELLE, 
+ 
PRINTED BY B. L. HAMLEN. 
Published at New Haven, October a, L843. 
