From there on the 7th lie dispatched his pack of artillery to Kingsbridge, and immediately upon its arrival at that place the work of erecting These were shore was begun. batteries along the Westchester planted in conformity with the secret information about the Fort Washington works which the traitor Demont had furnished; and it was always a matter of astonishment to American officers in studyevery particular the enemy's aring the plans of the siege that in most Four excellent judgment. rangements were made with the three chosen-- were on Washingt Mount on separate lines of attack of them proceeding from the Westchester shore. The first and main Harone was by way of Kingsbridge, the second by boats across the lem River against Laurel Hill, the third by boats from a point farther down against the lines of fortifications near the Roger Morris house, fourth from New York City against the southern exposure andthethe" works. of On the 13th Howe in person arrived at Kingsbridge, with all the forces that he had had at Dobbs Ferry. On the 15th, his plans bemg completed, he sent to Colonel Magaw, in command at Fort Washington, a summons to surrender, signifying that if obliged to carry the fort by assault he would put the garrison to the sword. To this san guinary threat Magaw replied that it was unworthy of General Howe and the British nation, at the same time declaring that he intended to hold out to the last extremity. During the night of the 15th numerous small boats for the transportation of the attacking troops from the Westchester side were passed up the Hudson and through asSpuyten Duyvil Creek into the Harlem River. On the 16th thecomsault was made at every selected point and was crowned with plete success, although the enemy's killed and wounded were 458 against but 147 on the American side.