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ABSTRACTS
OF
THE PAPERS
PRINTED IN THE
PHILOSOPHICAL TRANSACTIONS
OF THE
ROYAL SOCIETY OF LONDON,
From 1837 to 1843 inclusive.
VOL. IV.
1837 to 1843.
PRINTED, BY ORDER OF THE PRESIDENT AND COUNCIL,
From the Journal Book of the Society.
LONDON:
PRINTED BY RICHARD TAYLOR, RED LION COURT, FLEET STREET.
MDCCCXLIII.