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                                 EXHIBIT INDEX



     Exhibit   Description

      2        Agreement, dated as of September 20, 1995, among Zapata
               Corporation, Energy Industries, Inc., Zapata Energy Industries,
               L.P., Enterra Corporation and Enterra Compression Company.

      10       Letter, dated September 20, 1995, from Malcolm I. Glazer Trust to
               Enterra Corporation.

      99       Press Release, dated September 21, 1995, issued jointly by Zapata
               Corporation and Enterra Corporation.
                                       4