Charlestown, under Captain J. W. Rowen, I understood, were first on the grounds. The Hamtrack Guards, Captain V. M. Butler; the Shepherdstown troop, Captain Jacob Reinhart; and Captain Alburtis' company from Martinsburg arrived in the afternoon. These companies, under the direction of Colonels R. W. Baylor and John T. Gibson, forced the insurgents to abandon their positions at the bridge and in the village, and to withdraw within the armory inclosure, where they fortified themselves in the fire-engine house, and carried ten of their prisoners for the purpose of insuring their safety and facilitating their escape, whom they termed hostages, and whose names are Colonel L. W. Washington, of Jefferson County, Virginia; Mr. J. H. Allstadt, of Jefferson County, Virginia; Mr. Israel Russell, Justice of the Peace, Harper's Ferry; Mr. John Donahue, clerk of Baltimore and Ohio Railroad; Mr. Terence Byrne, of Maryland; Mr. George D. Shope, of Frederick, Maryland; Mr. Benjamin Mills, master armorer. Harper's Ferry arsenal; Mr. A. M. Ball, master machinist. Harper's Ferry arsenal; Mr. J. E. P. Dangerfield, paymaster's clerk, Harper's Ferry arsenal; Mr. J. Burd, armorer. Harper's Ferry arsenal. After sunset more troops arrived. Captain B. B. Washington's Company, from Winchester, and three companies from Fredericktown, Maryland, under Colonel Shriver. Later in the evening the companies from Baltimore, under General Charles C, Edgerton, second light brigade, and a detachment of marines, commanded by Lieutenant J. Green, accompanied by Major Russell, of that corps, reached Sandy Hook, about one and a half miles east of Harper's Ferry. At this point I came up with these last-named troops, and leaving General Edgerton and his command on the Maryland side of the river for the night, caused the marines to proceed to Harper's Ferry, and placed them within the armory grounds to prevent the possibility of the escape of the insurgents. Having taken measures to halt, in Baltimore, the artillery companies ordered from Fort Monroe, I made preparations to attack the insurgents at daylight. But for the fear of sacrific-