There wlll be a Republlean Convention for the 4th Senatorial District, conslstlug of the countles of Monroe and Waihtenaw, held a the City of Ann Arbor, on TIIR8DAY, SEPTEMBER 21, 1880 at llo'clock a. m., to place In nomlnatlon a candldate for Senator In sald district. Each county wlll be entltled to the same repreRent atlon as at the State Uonventlon, vlz : Mon roe 14, Waslitenaw 'JU. H. A. Lockwood, Sec'y Monroe Rep. Co. Com. (lF.o. H. Pond, Sec'y Washtenaw Kep. Co. Com.