“ Since it appears that neither the revised plan of desegregation filed on June 9, 1969, nor the revised school zones and updated enrollment figures which were ordered to be filed on or before January 1, 1970, were properly before the Court of Appeals for review, it was premature for the Court of Appeals to rule that the Board 'has, subject to complying with the present commands of the District Judge, converted its pre-Brown dual system into a unitary system 'within which no person is to be effectively excluded because of race or color. ”

“ Petitioners, on January 30, 1970, filed in this Court a petition for certiorari and a motion for injunction pending certiorari 'requiring the preparation, with the assistance of H.E.W. or the H.E.W. funded University of Tennessee Title IV Center, of a plan of complete pupil and faculty integration affecting all phases of the operations of the Memphis public school system, for implementation during the 1969-70 school year in conformity with * * * Alexander v. ”