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A
MEMOIR
OF THE LATE
LEWIS DAVID VON SCHWEINITZ, P. D.
WITH
A SKETCH OF HIS SCIENTIFIC LABOURS.
READ BEFORE
THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA,
May 12th, 1835.
BY WALTER R. JOHNSON.
PUBLISHED BY ORDER OF THE ACADEMY.
PHILADELPHIA:
PRINTED BY WILLIAM P. GIBBONS,
Sixth and Cherry sts.
1835.
