AMERICAN JOURNAL 
OF 
SCIENCE AND ARTS. 
CONDUCTED BY 
PROFESSOR SILLIMAN 
AND 
BENJAMIN SILLIMAN, Jr. 
VOL. XLIIL—OCTOBER, 1842. 
(TO BE CONTINUED QUARTERLY.) 
He 
“ 2 
NEW HAVEN: 
Sold by B. & W. NOYES. ridge ag CAREY & HART, J.S. LITTELL 
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nd ia’ New York, WILEY & PUTNAM, No. 35 Paternoster Row, Lon- 
pm, and 161 Broadway, New York.—Paris, HECTOR BOSSANGE & Co., 
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PRINTED BY B. L. HAMLEN. 
es 
Mo. Bot.Garden, | : 
901. . 
