Martial Law at Columbia - A Skimfish at McConnellsburg -- The Confederates at Carlisle -- Further Particulars of the Fight at Wrtghtsville.
Our exchanges from the North are filled with accounts of rumors and speculations concerning the invasion of Pennsylvania, but as a general thing they are of such a sensational and contradictory character as to confuse and confound those who are disposed to ascertain the true facts We subjoin such additional particulars as seem to bear the impress of truth.
Martial Law in Columbia, Pa. -- Citizens Working on the Entrenchments.
COLUMBIA, June 29 -- 9 P.M. The town is placed under martial law, and Capt. Samuel J. Randall, of the City Troop, has been appointed provost marshal. All the citizens have been seized and sent to work on the entrenchments. Free communication is established with Wrightsville. This morning scouting parties of rebels went up the left bank of the river to Bainbridge and hauled down the American flag at Marietta. A man who crossed at that point reports having seen five cavalry pickets concealed near the river bank at noon today, from which it is inferred that their supposed retreat is a feint.
-- Phila. Inquirer.
The Rebels at McConnellsburg -- 12th Penna. Cavalry Defeated.
BLOODY RUN, June 29. -- Lieut. Stewart, of the Twelfth Pennsylvania Cavalry, stationed at McConnellsburg yesterday, thinking thirty-six men enough to give battle to fifty rebel cavalry who were reported to be coming from Loudon, advanced and found four hundred of them. He lost twenty-two. Himself and twelve men escaped. A brigade, of infantry, four hundred cavalry and one battery of artillery are at McConnellsburg.
-- Phil. Inq.
The Confederates at Carlisle.
HARRISBURG, June 30 -- The Telegraph, of this city, says: The rebel forces which entered Carlisle took one hour and a quarter to pass any given point. The cavalry were in advance, and were followed by a company of sappers and miners, some eighty strong, carrying axes, picks and shovels to clear the roads of obstructions.
Next followed two Generals, with some eighty of their staff officers. One of the Generals had but one leg, and the other was so lame that he was obliged to use a crutch. Part of them halted in the square, in front of the Presbyterian church; a member of the church informed the commander that he would be thankful to them if they would spare the shade trees, that it was church property. Upon this information the commander ordered the party off at once, and they selected a place out of the town for their encampment. The rebels molested no private citizens to any extent. The garden of Dr. Ahi was destroyed by their riding horses through it.
Gen. Jenkins was particularly anxious to impress upon the ladies that they would not be disturbed, and requested them not to leave the place. A force of near 600 cavalry were encamped on Sunday night at Boiling Springs, some four miles east of Carlisle. This place is well known as Ege's Furnace. A gentleman direct from there says that they behaved as well as could be expected from rebels. The farmers had taken away all their horses and cattle, which is all they wanted. Mount Holly was also occupied on Sunday night and the night before by some stray cavalrymen.
Affairs at Lancaster.
LANCASTER, June 29. -- Hon. Thad. Stevens has just learned that the rebels have destroyed his extensive iron mills near Gettysburg, and stolen all his teams. His loss is over $100,000, including most of his fortune.
The Lancaster Express and Examiner have both suspended publication to allow the men to enlist. Business is suspended. Many merchants are removing their goods.
The mayor of Lancaster has issued a proclamation closing the liquor shops at 4 o'clock. One of our men captured at the fight at Wrightsville yesterday just in reports that the rebels intend crossing the river at Peach Bottom Ford.
Rebels were in large force last night at Wrightsville, under Gens. Early and Gardner. They retired this morning in the direction of York -- a feint to cover the movement down the river.
Col. Frick, in command at Columbia, impressed all citizens and strangers today, and set them at work digging rifle pits on the river bank.
A messenger arrived at 10 tonight reports the rebels now attempting to cross ten miles below Columbia at McCall's Ferry.
THE FIGHT AT WRIGHTSVILLE
An Interesting and Graphic Description -- The Retreat to the Bridge, and its Destruction by Fire.
COLUMBIA, June 29. -- The bridge over the Susquehanna, which was destroyed last night, was constructed in 1834, at a cost of $175,000, and was the property of the Columbia Bank. It was 5,020 feet long, fourteen feet above high water, built of wood, and about forty feet wide; had two tracks; also used for vehicles and foot passengers and tow paths, the latter for the Susquehanna and Tidewater Canal.