Mr. Porter, for Secretary of the Navy, to Mr. Fish, Secretary of State.

Sir: I have the honor to acknowledge the receipt of your three letters, two of the 4th, and the other of the 5th instant, inclosing copies of communications from General F. C. Barlow, United States marshal at New York, relative to the movements of hostile expeditions.

Very respectfully,

DAVID D. PORTER,
For Secretary of the Navy.

Hon. Hamilton Fish,
Secretary of State.