PROFESSORS B. SILLIMAN AND JAMES D. DANA,
PROFESSORS ASA GRAY, AND WOLCOTT GIBBS,
OF CAMBRIDGE,
PROFESSORS H. A. NEWTON, S. W. JOHNSON,
GEO. J. BRUSH, AND A. E. VERRILL,
OF NEW HAVEN.
VOL. L.-[WHOLE NUMBER, C.]
JULY, SEPTEMBER, NOVEMBER.
NEW HAVEN: EDITORS.
AW1870.
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