Vol. IX. MARCH, 1850. No. 26.
Published the first day of every second month, price $5 per year.
THE
AMERICAN JOURNAL
OF
SCIENCE AND ARTS.
CONDUCTED BY
Professors B. SILLIMAN and B. SILLIMAN, Jr.,
AND
JAMES D. DANA.
SECOND SERIES.
No. 26.— MARCH, 1850.
NEW HAVEN
PRINTED FOR THE EDITORS BY B. L. HAMLEN,
Printer to Yale College.
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