A Union service of all the churches of Bethlehem : will be held on Thursday evening, Aug. 21, at half-past seven o'clock, at the Moravian Church, for the formation of a Chaplain's Aid Society, the object of which shall be to furnish Bethlehem's quota of books, papers, tracts, etc. for the 46th and 129th Regiments Pa. Volunteers. Rev. Wm. Henry Rice, chaplain of the 129th Regiment, will present the matter in full, and the clergy of the town will be present to address the meeting on the important subject of the moral and religious interests of our absent soldier boys. All are urged to attend. / H.A. Shultz and D. Bigler, pastors of the Moravian Church. Bethlehem, Aug. 19, 1862.