AMERICAN JOURNAL 
OF 
SCIENCE AND ARTS. 
CONDUCTED BY 
PROFESSOR SILLIMAN 
AND 
BENJAMIN SILLIMAN, Jn. 
VOL. XLL—No. 2.—OCTOBER, 1841. 
FOR JULY, AUGUST, AND SEPTEMBER, 1811. 
(TO BE CONTINUED QUARTERLY.) 
NEW HAVEN: 
Sold by B. & W. NOVES —Philadelphia, CAREY & HART, J. S. LITTELL 
—New York, CARVILL & Co., No. 108 Broadway, THEODO 
S Broadway, and G. S. SELL ‘ 
corner part St. and Broadway, on and New York, WILEY & PUTN. AM, 
New York.—Paris 
No. 35 Paternoster Row. Taal and 161 Broadway, - ‘ 
HECTOR BOSSANGE & Co., No. 11, Quay Voltsire—Hamburgh, Messrs. 
NESTLER & MELLE. ; 
ee 
‘PRINTED BY #&. L. HAMLEN. 
Published at ‘New ‘Haven, October 4, as4l. 
