Interesting from the North.
Fredericksburg, Aug. 9.
--A gentleman from Washington, Wednesday, says that 50,000 ranaway negroes are around the city.
Lincoln is enrolling the negroes, free and slave, in Maryland.
Since the battle of Gettysburg twenty one new batteries have been dressed.
At Baltimore 3,000 negroes are at work on the fortifications around the city.
The people of Maryland are in despair, and subject to the most unrelenting tyranny and suspicion.
New York, New Jersey, and the New England States, are buying conscripts out of the army.
The Governor of New Jersey refuses to let a single man go without his authority.
The Governor of New York is preparing to test the constitutionality of the Conscript act.
A large number of troops have been sent to New York and New England to preserve order.
A terrific storm occurred recently around Reading, Pa. A vast amount of crops was destroyed.
Emmettsburg has been nearly consumed by fire.
Gordonsville, Aug. 9.--An intelligent gentleman arrived here to-day from Middleburg.
He fled thence last Wednesday.
The Yankee raiders were burning the wheat and destroying everything.
They had carried off all the citizens they could capture, including two little boys caught plowing; also, all the horses, cattle and sheep.
He reports that Meade's headquarters are at Catlett's Station, Sedgwick's at Warrenton. --Pleasanton's cavalry are at Warrenton Junction.
The Yankees have sent back a certain number of each company to gather conscripts.
They will, they say, remain where they are until the conscripts increase their force, when they will advance "on to Richmond." 