Unveiling of the Monocacy : InUntry. let B»igade, Third I)iBattle MonumentOn Tuesday, the 24th insr., themonument erected upon tiu* his-torical batile field of the Monoc-acy, in honor of the Pennsylvania troops that fell in thatstruggle, was dedicated with appropriate ceremonies.The party from Pennsylvania, iucludiug Lieutenant • GovernorMurphy and the staff of the Gov-ernor, arrived iu Frederick ou a special train at 11 a. m., over the Northern Ceutral Railroad, ou Tuesday, November 24th. The special was met by Reyuolds Post, G. A. R., escorted by the Braddock Heights Baud and theschool children from the public schools. The train made a brief stop in the city and theu proceeded to Mouocacy Junction, where carriages conveyed the visitors to the 8ireof the monument, one aud a half miles east of the Junction. The shaft is located on a ibeautiful elevation near the pikepoint of the battle field. It was erected by an Act of the General Assembly of the {State of Peun-iyFvania, to the heroism of the soldiers of that State who took part iu the battle of the Mouocacy. Representatives ot the 67ih, 87th, aud 138lb Regiments, Unit ed States Volunteers, accouipa nied the excursiou. These regiments played a conspicuous part in the hard fought engagement, ou July the 9th, 1804. The officers present who had charge of the troops in tke battle, wereLieuteuant - Colonel James A.Stable, Major Fiualy L. Thomas, Chaplaiu; D. C. Eberhart, Chief Surgeon; l)r. D. F. McKinney, of Fredeiick, Md.; Captain W. 11. Lauius, of Penn.; Captain Louis Maist, of Miuuesota; Captain Gentzler, of Ore.; CaptainJames Adair, of N. Y.; Lieuteu-auts Charles Stoliman, Alexander Strickler, B. F. Frick, Isaac Wagner, Johu Fobs and James 11. Blosser.The ceremouies were opened with an address of welcome by lion. Geo. Ed. Smith, Ma.or of Frederick, an invocation by the Rev. Dr. Osborne Ingle, music by the Braddock Heights Orchestra, and an address of acceptance by Lieutenant Governor Murphy. The ‘'Star-Spangled Banner,” sung by Prolessor Smith, the audience asM.sling. The dedicatory address was de lived by Captain Robert F. Corn wall, of Chester, Pa., who saidiu part:“The battle of Monocacy wasone of the most exciting events of the Civil War. While Grant was laying sisge to Petersburg aud Riebmoud with an army of 140,000 men, General Lee detach ed from his army of 100,000 men defending Richmond, a divigiouof 25,000 Confederates under General Jubal A. Early, who the year beloie had eutered Pennsylvania with the same troops. General Grant hastily sent Kick-ett’s Divisiou ot the Sixth Army Corps, up the Chesapeake Bay to Baltimore. They arrived in time to meet Early aloug the Monocacy about tbri e aud a halt miles southeast of Frederick. Had it not been for the stubborn resistance of these brave troops, Early and his eutire divisiou would have entered Washington aud captured the National Capital on July the 10th. The stand unade by General Wallace with the veterans of Kickett’s Division, with about 3,000 militia, held Early hack until the Sixtn Army Corps could come to the defence of Washington.”Addresses were also mads by Adjutant - General Stuart, of Psuusylvauia; lion. E Y. Golds borough, of Frederick, and ol hers.Governor Stuart was detained at his ollice in Harrisburg ou pressing business, and was uq able to accompany the delegation. Many of Frederick’s most prom iueut citizeus were present at tke dedication. Captain W. 11. Lauius, Chairman of the Commission, was master of eereinouies.The monument is limit of Blue Westerly Granite aud was fur uished by the Smith Granite Company, of Westerly, Rhode Island, whose representative, Mr. H. E. Shenten, had charge of the erection. It is a shaft 35 feet in height, slauding on a baseteu feet square. The base is a single stone, H feet iu thickuess, and weighs twelve tons. Sur-mouutiug it is a polished die, with four Doric columns at the corners, aud ou the die stauds a cylindrical shaft, with a carved cap, bearing ou its top a ground polished ball of red Westerlygranite, 3 feet 0 inches iu diameter, on the front of which is cut a Maltese Cross, the emblem of the Sixth Army Cwrpa.On the four sides of the die upon which rests the cylindrical shaft are the following inscrip tious:Frout.—Erected by the Commonwealth of Pennsylvania iu commemoration of the bravery, sacrifices aud patriotism of the 67th, 86th and 138th Regiments that lought ou this battlefield July 9th, 1804. Commissioners: Win. 11. Lauiue, Captain Com pauy 1., 87th; Robert T. Corn-well, Captain Company 1, 07th; Williaip Coppleberger, Private Company A, 138th.Right Uaud Side.—87th Reg-: imeut, Pennsylvania Volunteer\Diou, Sixth Corps. Organized at York, Pa., September 14, 1801. Mustered oat, June 29th, 18G5.Left Hand Side.—138th Regiment, Pennsylvania Volunteer Infantry. 2nd Brig., 3rd Div,. Sixth Corps, Army of the Potomac. Orgauized at Harrisburg, Pa , August 28th, 1802, mustered out, Juue 23, 1805, near Washington.Rear Side — 07th Regiment. Pennsylvania Volunteer Infantry, 2nd Brigade, 3rd l)iv., Sixth Corps, Army of the Potomac. Orgauized at Philadelphia, Pa., in the summer and fall of 1801. Mustered out, July 14th, 18G5.On the first of the twelve-ton base of the monumeut is the coat of arms of Pennsylvania.Surrounding the monument is a fence, with granite posts and two rails of galvanized iron pip ing, making an enclosure 30 feet square. The plot belonging to the three regiments is marked ou each of the four corners by granite posts, weighing a ton each.