On the twentieth of October, Lieutenant-colonel Harcourt, with the greater portion of the Sixteenth Regiment of Light Dragoons -- the ' other portion of the Regiment having embarked on a transport which had not come into port -- and the whole of the Seventeenth Regiment of Light Dragoons, joined General Howe ; and, on the next day, [October 21, 1776,] thus strengthened, the Right and Center of the Royal Army were moved to a position, about two miles to the northward of New Rochelle, on the road to the White Plains, Lieutenant-general Heister occupying the ground which had been thus abandoned, with one Brigade of British and two Brigades of Hessians, constituting the Left of the Army ; 7 and, early in the morning of that day, the Queen's Rangers, a Corps of Loyalists commanded by Lieutenant-colonel Rogers, were detached and pushed forward, to take possession of Mamaroneck, 8 the last-named of which places was

6 General Washington, through his Secretary, to the Congress, "King's " Bbidge, October 20, 1776, half-after one o'clock, P.M."

6 Sparks, {Writings of George Washington, iv., 162, note,) said, "Head- " quarters remained atHaerlem Heights, as appears by the Orderly Book, " till the twenty-first ; " and the Orderly Boole of both the twentieth and the twenty-first of October gives weight to his statement. But, because the entire military force, except the garrison of Fort Washington, had been moved into Westchester-county as early as noon, on the twentieth - because General Greene had found Head- quarters, "near King's Bridge " on the evening of the nineteenth, (Letter to the Continental Congress, "Camp at Tort Lee, (lately Fort Constitution,) October 20, 1776;") because Lieutenant-colonel Tench Tilghman, one of the General's Aids had addressed a letter to William Duer, dated " Head-quarters, King's " Bridge, October 20, 1776 ; " because Colonel Harrison, the General's Secretary, had addressed a letter to the President of the Continental Congress, dated " King's Bridge, October 20, 1776, half-after one o'clock, "P.M.;" and because General Washington, himself, had addressed a letter to Colonel Joseph Trumbull, Commissary-general of Provisions, dated, " Head-quarters, King's Bridge, October 20, 1776," we prefer to consider the Orderly Book -- which was in evident disorder, from the eighteenth until the twenty-third (only a single entry appearing in it, during that long interval)-- and, necessarily, Doctor Sparks, to have been in error ; and that Head quarters were really at or very near to Kingsbridge, as early as the afternoon of the nineteenth.