The warlike movement at New York.
New York,April 7.
--The steamer Atlantic had not sailed at 9 o'clock this morning.
The Illinois has steam on, and it is reported will leave with stores and troops to-night.
The Powhatan crossed the bar, bound out at 6 o'clock this afternoon.
The Nashville, advertised to sail this evening for Charleston, will be detained until the 9th inst.