On Thursday last, being the day appointed by the Committee of Arrangements for the ceremony of erecting a monument to the memory of the late Isaac Van Wart, one of the captors of the British spy, Andre, a large coucourse of our fellow, citizens assembled at the spot where repose the remains of the departed patriot, at the burial place of the Presbyterian church, on the east bank of the Saw- Mill River, in Greenburgh. The day was very fine and pleasant, and by 12 o'clock, there was supposed to be present upwards of two thousand spectators, who had convened to participate in the last respects to the memory of their esteemed fellow citizen ; among whom were to be seen a few of the aged and venerable men who had passed through the scenes and perils of the Revolution. About 12 o'clock, a procession was formed under the direction of Major John Sing, marshal of the day, the whole in the inverse order of their rank : --

1st. Captain Denslow's company Light Infantry, of the 12th regiment, with the band attached to that regiment, and the first regiment Light Infantry, formed the military escort on the kft. The left in front.

2d. The officers and non-commissioned officers of the 15th brigade.

3d. Captain Wrarner's company of cavalry on foot.

4th. Citizens of the county.

6th. Mr. F. Kain, the architect and his workmen, with their implements to complete the work. 6th. The invited guests. 7th. The clergy of the county.