TRENTON, N.J., Thursday, Sept. 18. The Grand Chapter of Royal-Arch Masons of New-Jersey held its annual convention in Trenton to-day. All of the chapters in the State were represented.

The Grand Royal Arch Chapter of Masons held their annual meeting to-day. The following officers were elected: Grand High Priest, Geo. H. Thacher, of Albany; Deputy, Arthur Boyce, ...