Life and Times of Washington, Volume 2 / Revised, Enlarged, and Enriched

by John Frederick Schroeder; Benson John Lossing

The preparations of Sir William Howe being completed, a large battery on Province Island of twenty-four and thirty-two pounders and two howitzers of eight inches each opened, early in the morning of the 10th of November, upon Fort Mifflin, at the distance of 500 yards, and kept up an incessant fire for several successive days. The blockhouses were reduced to a heap of ruins; the palisades were beaten down, and most of the guns dismounted and otherwise disabled. The barracks were battered in every part, so that the troops could not remain in them. They were under the necessity of working and watching the whole night to repair the damages of the day, and to guard against a storm, of which they were in perpetual apprehension. If, in the days, a few moments were allowed for repose, it was taken on the wet earth, which, in consequence of heavy rains, had become a soft mud. The garrison was relieved by General Varnum every forty-eight hours, but his brigade was so weak that half the men were constantly on duty.

Colonel Smith was decidedly of opinion, and General Varnum concurred with him, that the garrison could not repel an assault, and ought to be withdrawn; but Washington still cherished the hope that the place might be maintained until he should be reinforced from the northern army. Believing that an assault would not be attempted until the works were battered down, he recommended that the whole night should be employed in making repairs. His orders were that the place should be defended to the last extremity; and never were orders more faithfully executed.

Several of the garrison were killed and among them Captain Treat, a gallant officer, who commanded the artillery. Colonel Smith received a contusion on his hip and arm which compelled him to give up the command and retire to Red Bank. Major Fleury, a French officer of distinguished merit, who served as engineer, reported to Washington that, although the blockhouses were beaten down, all the guns in them, except two, disabled, and several breaches made in the walls, the place was still defensible; but the garrison was so unequal to the numbers required by the extent of the lines, and was so dispirited by watching, fatigue, and constant exposure to the cold rains, which were almost incessant, that he dreaded the event of an attempt to carry the place by storm. Fresh troops were ordered to their relief from Varnum's brigade, and the command was taken, first by Colonel Russell, and afterward by Major Thayer. The artillery, commanded by Captain Lee, continued to be well served. The besiegers were several times thrown into confusion, and a floating battery, which opened on the morning of the 14th, was silenced in the course of the day.

The defense being unexpectedly obstinate, the assailants brought up their ships (November 15, 1777) as far as the obstructions in the river permitted and added their fire to that of the batteries, which was the more fatal as the cover for the troops had been greatly impaired. The brave garrison, however, still maintained their ground with unshaken firmness. In the midst of this stubborn conflict, the Vigilant and a sloop-of-war were brought up the inner channel, between Mud and Province Islands, which had, unobserved by the besieged, been deepened by the current in consequence of the obstructions in the main channel, and, taking a station within 100 yards of the works, not only kept up a destructive cannonade, but threw hand-grenades into them, while the musketeers from the round-top of the Vigilant killed every man that appeared on the platform.

Major Thayer applied to the Commodore to remove these vessels, and he ordered six galleys on the service, but, after reconnoitering their situation, the galleys returned without attempting anything. Their report was that these ships were so covered by the batteries on Province Island as to be unassailable.

It was now apparent to all that the fort could be no longer defended. The works were in ruins. The position of the Vigilant rendered any further continuance on the island a prodigal and useless waste of human life; and on the 16th, about 11 at night, the garrison was withdrawn.

A second attempt was made to drive the vessels from their stations, with a determination, should it succeed, to repossess the island, but the galleys effected nothing, and a detachment from Province Island soon occupied the ground which had been abandoned.

The day after, receiving intelligence of the evacuation of Fort Mifflin, Washington deputed Generals De Kalb and Knox to confer with General Varnum and the officers at Fort Mercer on the practicability of continuing to defend the obstructions in the channel, to report thereon, and to state the force which would be necessary for that purpose. Their report was in favor of continuing the defense. A council of the navy officers had already been called by the Commodore in pursuance of a request of the Commander-in-Chief, made before the evacuation had taken place, who were unanimously of opinion that it would be impracticable for the fleet, after the loss of the island, to maintain its station or to assist in preventing the chevaux-de-frise from being weighed by the ships of the enemy.

General Howe had now completed a line of defense from the Schuylkill to the Delaware, and a reinforcement from New York had arrived at Chester. These two circumstances enabled him to form an army in the Jerseys, sufficient for the reduction of Fort Mercer, without weakening himself so much in Philadelphia as to put his lines in hazard. Still, deeming it of the utmost importance to open the navigation of the Delaware completely, he detached Lord Cornwallis, about 1 in the morning of the 17th (1777), with a strong body of troops to Chester. From that place his lordship crossed over to Billingsport, where he was joined by the reinforcement from New York.

Washington received immediate intelligence of the march of this detachment, which he communicated to General Varnum, with orders that Fort Mercer should be defended to the last extremity. With a view to military operations in that quarter he ordered one division of the army to cross the river at Burlington, and dispatched expresses to the northern troops who were marching on by brigades, directing them to move down the Delaware on its northern side until they should receive further orders.