ENTERED, according to Act of Congress, in the year 1851, by

HARPER & BROTHERS,

In the Clerk's Office for the Southern District of New York.

TO

HON. THEODORE FRELINGHUYSEN,

LATE

Chaurellor of the Aniversity

OF THE CITY OF NEW YORK,

NOW

PRESIDENT OF RUTGER'S COLLEGE,

NEW JERSEY,

THESE VOLUMES

ARE, AS A MARK OF GREAT RESPECT,

INSCRIBED,

BY THE AUTHOR.