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AMERICAN JOURNAL 
SCIENCE AND ARTS. 
CONDUCTED BY 
Proressors B. SILLIMAN anp B. SILLIMAN, Jr., 
AND 
JAMES D.. DANA. 
SECOND SERIES. 
VOL. III.—MAY, 1847. 
Mo. Bot.Garden 
1908 
NEW HAVEN: 
PRINTED YOR THE EDITORS BY B. L. HAMLER, © 
Printer to Yale College. 
Sold by H. Day, New Haven.—Littie & Brown, and W. H.S. Jorpan, Boston.—C 
Francis & Co. and Witry & Putnam, New York —Carey & Hart, Philadelphia 
. Hickman , Baltimore, Md.—W 11 wd eS m, London.—HE ECTOR BossaNcE & & Co, 
aris.—NESTLER & MELLE, Fianiio 
