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 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,* the last-named of which places was

6 General Washington, through his Secretary, to the Congress, " Kino's " Bridije, 0ctober20, 1770, half-after one o'clock, P.M."

6 Sparks, {Writings of George Washington, iv., 152, note,) said, " TleaJ- " quarters remained at Haerlem Heights, as appears by the Orderly Book, " till the twenty -first ; " and the Orderly Book 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 O^igress, "Camp at Fout Lk.e, (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 " HEAn-QUARTERS, Kin<!'8 "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, 177C, 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-QrARTEUs, King's Brhige, October 20, 1770," we prefer to consider the Ordirly linok -- 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 aa the afternoon of the nineteenth.