Proclamation of the Governor of Tennessee--Thirty thousand militia called out.
Nashville, Nov. 20.
--General A. S. Johnston, in view of a threatened invasion of the State, has called on Governor Harris to send such a force to the field as can be armed by the State.
In obedience to this requisition and to repel the invaders, Governor Harris has, this morning, issued his proclamation calling out thirty thousand of the militia from Middle and West Tennessee.
The officers in command of the militia of the second, third, and fourth divisions, among whom the requisition is apportioned, are directed to hold then commands in readiness to receive marching orders by the 25th instant, unless in the meantime a sufficient number of volunteers should tender their services to fill the requisition. 