The first official reference to the matter occurs in the letter which Washington directed Colonel Harrison, his secretary, to write to Congress on the evening of the battle. Nothing definite on this point being known at that hour, Harrison, after announcing the attack of the enemy, and the retreat of the troops into the Brooklyn lines, could only make the vague report that the American loss was "pretty considerable." On Thursday morning, the 29th, at "half after four A.M.," Washington himself wrote to Hancock that he was still uncertain how far the army had suffered. On Saturday, the 31st, he wrote again, and in this letter gave an estimate in figures. This was the only report he made to Congress in the matter, except indirectly. "Nor have I," he writes, "been yet able to obtain an exact account of our loss; we suppose it from seven hundred to a thousand killed and taken." In subsequent public and private letters to his brother, to Governor Trumbull, General Schuyler, and the Massachusetts Assembly, Washington did not vary these figures materially (except to make the estimate closer, about 800), and they stand, therefore, as his official return of the casualties of that day. Sir William Howe's report, on the other hand, presented altogether a different showing. It left no room for doubt as to the extent of the British victory. Dated September 3d, seven days after the affair, it contained all those particulars of events up to that time which a successful general is well aware will be received with special satisfaction by his government. The landing at Gravesend, the occupation of Flatbush, the skilful march of the flanking column, the bravery of the troops, and the complete success of the entire plan of action were mentioned in order; while a detailed statement and estimate of the losses on either side, including a tabulated return of prisoners taken, only fortified the impression that a most damaging defeat had been served upon the Americans. Against Washington's estimate of a total of one thousand or less for his own loss, Howe reported that the enlisted men he captured alone numbered one thousand and six, and that in addition he took ninety-one commissioned officers, of whom three were generals, three colonels, four lieutenant-colonels, three majors, eighteen captains, forty-three lieutenants, eleven ensigns, one adjutant, three surgeons, and two volunteers; and he "computed" that in killed, wounded, and drowned, the Americans lost two thousand two hundred more. On the part of the British, Howe reported five officers and fifty-six men killed, twelve officers and two hundred and fifty-five men wounded, and one officer and thirty men prisoners and missing. The Hessians