...nt of the rough weather, was deferred until the following night, and was not unknown to Lieutenant Slemmer. That officer had been kept acquainted with affairs in the insurgent camp at Warrington by Richard Wilcox , a loyal watchman at the Navy Yard, who addressed him over the signature of A friend to the Union. During the siege, Slemmer had been allowed to send a flag of truce to the yard every day. The bea...