...s, numbers, or intentions. We are besieged, but by no means blockaded yet. Our forage trains scour on the south of the river. The telegraph is still in operation, and communications are open with Willcox at Bull's Gap. Some dread an assault to-morrow. I do not. The rebels have secured no positions for batteries, and evidently are not in force sufficient to invest the town. Our loss in killed, w...