cers of the Powhatan: Captain — Samuel Mercer, Maryland.
Lieutenants — Egbert Thompson, New York; M. C. Perry, New York; W. B. Whiting, New York; W. H. Gamble, Pennsylvania.
Marine Lieutenant — J. L. Broome, New York.
Surgeon — Joseph Wilson Jr.--Passed Assistant Surgeon--Jas. Laws.
Paymaster — J. J. Gulick, N. J. Chief Engineer--Harman Newell.
Midshipmen — Geo. Dewey, Joshua Bishop, M. S. Stuyvesant, and Chas. W. Read.
Boatswain — F. McLoud.
Gunner — Barnard Duycker.
Sailmaker — Jacob Stephens.
Sailing of the Atlantic.
A number of mysterious boats were put on board the Atlantic yesterday afternoon.
The Atlantic, as we stated in our third edition yesterday, has been purchased or chartered by the Government, and cleared for Brazos.--The boats alluded to are lighter and smaller than the ship's boats, longer, much narrower, and clinker built, after the manner of the Whitehall boats, with four pairs of oars.--These boats were evidently built for speed.--There i