BY JOHN DUER, LL. D.`

ONE OF THE LATE REVISERS OF THE STATUTE LAWS OF NEW-YORK.

66

Legitimæ inquisitionis vera norma est, ut nihil veniat in practicam, cujus

non fit etiam doctrina aliqua et theoria."-BACON.

Entered according to the Act of Congress, in the year 1845,

BY JOHN DUER,

In the Clerk's office of the District Court of the Southern District of New-York.

PRINTED BY WILLIAM OSBORN,

88 WILLIAM-STREET.

WHO, BY THE EXAMPLE OF HIS LIFE, AS WELL AS BY HIS LABORS AND HIS WRITINGS,

HAS RAISED THE CHARACTER AND DIGNITY

OF THE

Legal Profession

IN THESE UNITED STATES,

THIS WORK ON MARINE INSURANCE,

THE FRUIT, IN A MEASURE, OF HIS PERSONAL APPROBATION AND ENCOURAGEMENT,

IS NOW INSCRIBED,

BY HIS FRIEND AND DISCIPLE,

THE AUTHOR.