Retreat of Gen. Pope's army--Confederate cavalry surprised.
Mobile, June 17.
--The Evening News says that on the 13th Gen. Pope's division of the Yankee army was in full retreat.
The men were scattered in confusion.
Our cavalry was after them.
A letter says that Col. Hunter, of an Alabama cavalry regiment, with a detachment of his men, was surprised at Milton, near Pensacola, on Saturday, with the loss of fifteen men and several horses.
Cause — treachery.
The enemy occupied the town, and are also extending operations inland from Pensacola.