XVI.

Around this ill-fated spot were stretched a cordon of connected earthworks, which completely enveloped the palisades, and commanded, with seventeen guns, every nook and corner of the enclosure. The forts were well constructed, and provided against the chances of sudden and desperate assaults. The cannon were well mounted, and placed in barbette and embrasure. Lunettes and redoubts covered all the approaches to the two great gates.

Several regiments of the rebel reserves constantly occupied the forts and trenches, and guarded closely every avenue. Escape was impossible.