The written instructions given to the officer commanding on Long Island, two days previous to the action, directed that the woods should be well guarded, and the approach of the enemy through them rendered as difficult as possible. But his numbers were not sufficient to furnish detachments for all the defiles through the mountains; and if a corps, capable of making an effectual resistance, had been posted on this road, and a feint had been made on it, while the principal attack was by the direct road from Flatbush, or by that along the coast, the events of the day would probably have been not less disastrous. The columns marching directly from Flatbush must, on every reasonable calculation, have been in possession of the plain in the rear of the detachment posted on the road from Jamaica, so as to intercept its retreat to the camp. So great is the advantage of those who attack, in being able to choose the point against which to direct their grand effort. The most adviseable plan, then, appears to have been, to watch the motions of the enemy so as to be master of his designs; to oppose with a competent force every attempt to seize the heights; and to guard all the passes in such a manner as to receive notice of his approach through any one of them, in sufficient time to recall the troops maintaining the others. This plan was adopted--and the heavy disasters of the day are attributable, principally, to the failure of those charged with the execution of that very important part of it which related to the Jamaica road. The letter of General Howe states that an American patrolling party was taken on this road; and General Washington, in a private and confidential communication to a friend, says, "This misfortune happened, in a great measure, by two detachments of our people who were posted in two roads leading through a wood, to intercept the enemy in their march, suffering a surprise, and making a precipitate retreat."