Lapas attēli
PDF
ePub
[blocks in formation]

XXXBER OF TAE AMERICAN PHILOSOPHICAL SOCIETY, OF THE ACADEMY OF NATURAL

SCIENCES, PHILADELPHIA, THE AMERICAN.ACADEMY OF ARTS AND SCIENCES,
MASSACHUSETTS, THE NATIONAL INSTITUTION FOR THE PROMOTION
OF SCIESCE, WASHINGTON, CORRESPONDING MEMBER OF THE
POLYTECHNIC SOCIETY OF PARIS, AND OF THE CHILIAN

AGRICULTURAL SOCIETY, SANTIAGO.

NEW SERIES,

VOL. XXV.

PHILADELPHIA:
PUBLISHED BY THE FRANKLIN INSTITUTE, AT THEIR HALL,

F. SAYLOR, WASHINGTON CITY; G.' CARVILL
& CO., NEW YORK; AND JOSEPH H.

FRANCIS, BOSTON.

« iepriekšējāTurpināt »