FIRST LADY ATTENDS SERVICES FOR DEAD KING. MRS. ROOSEVELT ATTENDED THE SERVICES HELD IN THE NATIONAL CATHEDRAL AT WASHINGTON IN HONOR OF KING ALEXANDER OF JUGO-SLAVIA, MURDERED MONARCH WHO WAS BURIED IN BELGRADE TODAY. MRS. ROOSEVELT WAS ACCOMPANIED BY WHITE HOUSE AIDES, COL. EDWIN M. WATSON, U.S.A., LEFT, AND CAPT. WILSON BROWN, U.S.N.