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                                                                    EXHIBIT 23.1



                       CONSENT OF INDEPENDENT ACCOUNTANTS



     We hereby consent to the incorporation by reference in the Registration
Statement on Form S-8, relating to the Pioneer Stock Option Plan, of our report
dated February 19, 1999, appearing on page 40 of E. I. du Pont de Nemours and
Company and its subsidiaries' 1998 Annual Report to Stockholders which is
incorporated in its Annual Report on Form 10-K/A Amendment No. 1. We also
consent to the incorporation by reference of our report on the Financial
Statement Schedule, which appears on page 19 of E. I. du Pont de Nemours and
Company and its subsidiaries' Annual Report on Form 10-K/A Amendment No. 1.



/s/ PricewaterhouseCoopers LLP

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PricewaterhouseCoopers LLP


Philadelphia, Pennsylvania


October 12, 1999