1

Entered according to the Act of Congress, in the year 1850, by

JAMES WYNNE,

In the Clerk's Office of the District Court of Maryland.

то

JOSEPH HENRY, L. L. D.,

SECRETARY OF THE SMITHSONIAN INSTITUTION,

THIS WORK IS RESPECTFULLY INSCRIBED,

AS A TESTIMONY OF HIS EMINENT SCIENTIFIC ATTAINMENTS, AND A TOKEN OF THE PERSONAL

REGARD OF

THE AUTHOR.