opinion: SHELL OIL CO. v. DARTT
  No. 76-678.
  Argued November 7, 1977
  Decided November 29, 1977
  Mary T. Matthies argued the cause for petitioner. With her on the briefs was Brynn F. Aurelius.
  Jefferson G. Greer argued the cause and filed a brief for respondent.
  Jay S. Siegel, Frank C. Morris, Jr., Robert E. Williams, and Douglas S. McDowell filed a brief for the Equal Employment Advisory Council as amicus curiae urging reversal.
  Per Curiam.
  The judgment is affirmed by an equally divided Court.
  Mr. Justice Stewart took no part in the consideration or decision of this case.