As there were sevesal Congregatianal churches and mission stations in the territory, arrange ments were made whereby Congregational churches might become connect ed with the Presbytery, and at the meeting at Troy, in Walworth county, Oct. 9, 1840, a plan of union was adopted whereby the two denominations could work in the missionary service of the territory, and the name was changed from the Presbytery of Wisconsin to the Presbyterian and Congre gational Convention of Wisconsin. For various reasons the union was not satisfactory to the majority of the Presbyterian churches, and it saemed best to the General Assembly of the Presbyterian Church, then in session at Phil adelphia, May, 1846, to erect a regular Presbytery, called the Presbytery of Wisconsin. The first meeting was appointed to be held at Prairieville (now Waukesha), July 18th, 1846. This Presbytery consisted of the following ministers and churches, viz: Revs.