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AMERICAN J OURNAL 
SCIENCE AND ARTS. 
CONDUCTED BY 
Prorrssors B. SILLIMAN anp JAMES D. DANA, 
IN CONNECTION WITH 
Prorsssors ASA GRAY,~ ann WOLCOTT GIBBS, 
or CAMBRIDGE, 
AND 
Proressors S. W. JOHNSON, GEO. J. BRUSH, anv 
H. A. NEWTON, or NEW HAVEN. 
SECOND SERIES. 
VOL. XLIV.-[WHOLE NUMBER, XCIV.] 
Nos. 130, 131, 132. 
JULY, SEPTEMBER, NOVEMBER. 
NEW HAVEN: EDITORS. 
1867. 
PRINTED BY TUTTLE, MOREHOUSE & TAYLOR, 221 STATE ST. 
MissouR: GoraNnicaL 
GARDEN LIBRARY 
