June 28.–The steamer Pawnee arrived at the Navy Yard at Washington this morning, bringing the dead body of Capt. James H. Ward, of the steamer Freeborn, who was killed in an engagement yesterday, while attempting to cover a landing at Matthias Point, on the Potomac River. The Freeborn was off the Point reconnoitring, when Capt. [...]

–John C. Fremont arrived at Boston, Mass., this morning, in the steamer Europa, from Liverpool, bringing with him a large assortment of valuable arms for the Government. –Boston Transcript, June 28. –At three o’clock this morning George P. Kane, marshal of police of Baltimore, Md., was arrested at his house by order of Gen. Banks, [...]

–Gen. McClellan, in a despatch to an officer of the Navy in Cincinnati, states that the interview which Gen. Buckner has reported was strictly private and personal; that it was repeatedly solicited, and that he gave no pledge whatever on the part of the authorities at Washington that United States troops should not enter Kentucky. [...]

–The Twenty-eighth Regiment N. Y. S. V., (Colonel Donnelly,) passed through New York on their way to the seat of war. This regiment was enlisted in the western part of the state, and made up of men of nearly all occupations, prominent among whom are school teachers. One company (that from Medina) contains 19 of [...]

–The Pawnee, commanded by Commander Rowan, accompanied by the tender James Guy, left Acquia, Creek, Va., this morning for Matthias Point, carrying Capt. Woodbury, U. S. Engineers, and Capt. Palmer, U. S. Topographical Engineers, to make a reconnoissance, to learn whether batteries were or were not being erected there. At 5 A.M. Capt. Rowan sent [...]

–To-day Professor Lowe went into the rebels’ country as far as Fall’s Church with his balloon, from which place he made several ascensions. He was so far towards Fairfax Court House that his appearance in the air created a report here that the rebels had an opposition balloon. He was escorted into the interior by [...]

–The Louisville, Ky., papers this morning contain letters from Gov. Magoffin and General Buckner, stating that an agreement has been made between General McClellan and the Kentucky authorities, that the territory of Kentucky will be respected by the Federal authorities, even though it should be occupied by the Confederates. But if Kentucky does not remove [...]

–A correspondent at Washington says: Surprise has been expressed in some quarters at the failure of Gen. Scott to prevent the erection of batteries at various points on the right bank of the Potomac. The impending advance of the Union army toward Richmond, however, will either compel the Rebels to remove their batteries or render [...]

To-day Telegraph Engineer Henry I. Rogers, of New York, put in operation, on the western side of the Potomac, his newly invented telegraphic cordage or insulated line, for field operations, and it proved eminently successful, giving entire satisfaction in the manner in which it operated. It is run off reels upon the ground with great [...]

–The probabilities are, that the nest few days will witness the most momentous developments in the history of the continent. The aspect of affairs in Virginia, Maryland, Kentucky, Tennessee, and Missouri betokens the proximity of a crisis–of collisions upon the result of which depends much of the future. The preparations on the border, on both [...]

–Gen. Lyon issued another proclamation to the people of Missouri from his camp at Booneville. He released the prisoners taken in the late engagement, in consideration of their youth and of the deceit that had been practised upon them, simply requiring their pledge not again to bear arms against the United States. His proclamation warned [...]

–A letter from Cronstadt, Russia, written by the mate of a ship, says: “There is a Charleston ship lying alongside of us that hoisted the flag of the Confederate States, and for so doing I understand that the captain was arrested and placed in the guard-house of the Russian officers. They would not acknowledge or [...]

–This afternoon J. G. Morrison, Jr., and several of his friends, unfurled the Star-Spangled Banner on the Maryland abutment of the bridge lately destroyed at Harper’s Ferry. The cherished symbol of the Union was hailed with delight by the people of Harper’s Ferry, and particularly by the women, who flocked to the opposite bank and [...]

–Privateer No. 1–of the Confederate States–(the Savannah) captured May 3d, by U. S. brig Perry, arrived in the port of New York.–(Doc. 251.) –The obstructions of the Baltimore and Ohio Railroad at Point of Rocks, Md., were removed, and the road was re-opened to Harper’s Ferry for the first time this morning since the occupation [...]

–A signal balloon was seen at a considerable elevation over beyond the chain bridge, on the Leesburgh Road, at night, supposed to have been sent up by the rebels, for the purpose of communicating intelligence to secesionists in or near Washington.– Washington Star, June 15. –A little fight occurred near Seneca’s Mill, on the Maryland [...]

–By proclamation of Jefferson Davis, this day was observed as a fast-day throughout the States in rebellion against the U. S. Government.–N. Y. Times, June 2. –The United Turner Rifles, Twentieth Regiment N. Y. S. V., Colonel Max Weber, left New York for Fortress Monroe and the army of Southeastern Virginia. In their march through [...]

–The Second Regiment Missouri Volunteers, Col. Siegel, went up the Pacific Railroad from St. Louis, and occupied the line as far as the Gasconade River in order to prevent further damage by the rebels. They met with no opposition from the traitors in that section.–N. Y. Herald, June 20. –The steamer City of Alton, with [...]

–Lieut. Slemmer, late in command of Fort Pickens, had a handsome reception at Independence Hall, Philadelphia. A military procession, consisting of Col. Small’s Regiment of ten companies, preceded by a drum corps and a brass band, playing Hail Columbia, escorted the Lieutenant and his aged father-in-law from the Continental Hotel to the Hall, where Mayor [...]

–At 1 A. M. the 3 companies of the New York Fifth, under Capt. Kilpatrick, reached New Market Bridge, and there waited for the main body of the Fifth, which came up at 8 A. M., when the whole regiment started forward for Little Bethel, where they arrived about daylight, and encountered a picket guard [...]

–A detachment of the Rhode Island Regiment finished building a floating bridge on the Potomac, near Georgetown, by which thousands of men could be transported across in a few hours. Capt. Medlar, Provost-marshal of Alexandria, seized army supplies consisting of uniforms and cavalry swords, to the value of fifteen hundred dollars.–N. Y. World, June 10. [...]

–The bridges at Point of Rocks and Berlin, on the Potomac, River, were burned by order of Johnston, the rebel general. Neither of them were railroad bridges.–N. Y. Herald, June 10. –The Sanitary Commission was authorized by the Secretary of War, and approved by the President. Its aim is to help, by cautious suggestion, in [...]

–The Engineer Corps of the Sixty-ninth Regiment of New York, with Company B, of the Second Cavalry, took five prisoners and a drove of cattle, fifty in number, which were on their way to the secession forces.–N. Y, World, June. 10. –An express messenger arrived at New Orleans from Mr. Adolphe Ducros’s plantation, at the [...]

–Gov. Pickens of South Carolina issued a proclamation saying:–“I have understood that many good people have been remitting funds to creditors in Northern States. In the existing relations of the country such conduct is in conflict with public law, and all citizens–are hereby warned against the consequences.”–N. Y. Tribune, June 14. –This evening the Town [...]

–A demand was served upon Messrs. Daniel J. Foley & Bros., Baltimore, by Mr. Bonifant, the United States Marshal, under instructions from Mr. Cameron, Secretary of War, calling for the immediate delivery into the possession of the Marshal of all the powder of the Hazard Powder Company, Connecticut, stored in the powder-house of the company [...]