FLAG-SHIP MALVERN,

Hampton Roads, July 13, 1864-12 m.

(Received 11.15 p.m.)

Honorable GIDEON WELLES.

Secretary of the Navy:

I leave here now to look after Potomac division of my squadron.

Fleet captain remains here.

S. P. LEE.

Acting Rear-Admiral.

FORT MONROE, July 13, 1864.

Major-General. BUTLER:

Your dispatch dated July 11 just received. New York not here. Mail-boat gone. Shall I come by special boat? Shall I bring those persons awaiting transfer through the lines? Captain Cassels can give you a list of them.

JNumbers E. MULFORD,

Major and Assistant Agent for Exchange.