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AMERICAN JOURNAL 
ll : 
OF 
SCIENCE AND ARTS. 
CONDUCTED BY 
_. Prorrssors B. SILLIMAN axp JAMES D. DANA, 
IN CONNECTION WITH 
Prorrssors ASA GRAY, LOUIS AGASSIZ, ann 
WOLCOTT GIBBS, or CAMBRIDGE, 
ee Seca : 
_ Prorzssors S. W. JOHNSON, GEO. J. BRUSH, anv 
H. A. NEWTON, or NEW HAVEN. 
SECOND SERIES. 
VOL. XLI.—[WHOLE NUMBER, XCL] 
Nos. 121,122, 123. . 
JANUARY, MARCH, MAY, 1866. 
NEW HAVEN: EDITORS. 
