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        <ExcessFromYear1Amt>14524137</ExcessFromYear1Amt>
        <ExcessFromCurrentYearAmt>14454706</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <SupplementaryInformationGrp>
        <ContributingManagerNm>Edward P Bass</ContributingManagerNm>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Botanical Research Institute of Texas</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1700 UNIVERSITY DRIVE</AddressLine1Txt>
            <CityNm>FORT WORTH</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>76107</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>Tax Exempt</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Conservation Organization</GrantOrContributionPurposeTxt>
          <Amt>4500</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Ft Worth Zoological Association</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1989 COLONIAL PARKWAY</AddressLine1Txt>
            <CityNm>FORT WORTH</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>76110</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>Tax Exempt</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Conservation Organization</GrantOrContributionPurposeTxt>
          <Amt>1150000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>The Bhutan Foundation</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>3121 SOUTH STREET NW</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20007</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>Tax Exempt</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Conservation Organization</GrantOrContributionPurposeTxt>
          <Amt>200000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Texas &amp; Southwestern Cattle Raisers Foundation</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1600 GENDY STREET</AddressLine1Txt>
            <CityNm>FORT WORTH</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>76107</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>Tax Exempt</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Conservation Organization</GrantOrContributionPurposeTxt>
          <Amt>50000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>1404500</TotalGrantOrContriPdDurYrAmt>
        <TotalGrantOrContriApprvFutAmt>0</TotalGrantOrContriApprvFutAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>14413</ExclusionAmt>
        </IntOnSavAndTempCashInvstGrp>
        <DivAndIntFromSecPartVIIGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>53737</ExclusionAmt>
        </DivAndIntFromSecPartVIIGrp>
        <OtherInvestmentIncmPartVIIGrp>
          <ExclusionCd>15</ExclusionCd>
          <ExclusionAmt>555746</ExclusionAmt>
        </OtherInvestmentIncmPartVIIGrp>
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>808880</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <SubtotalsIncmProducingActyGrp>
          <UnrelatedBusinessTaxblIncmAmt>0</UnrelatedBusinessTaxblIncmAmt>
          <ExclusionAmt>1432776</ExclusionAmt>
          <RelatedOrExemptFunctionIncmAmt>0</RelatedOrExemptFunctionIncmAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>1432776</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>0</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>0</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>0</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>0</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>0</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>0</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>0</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>0</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>0</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>0</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <GeneralExplanationAttachment documentId="RetDoc2258700001">
      <GeneralExplanationGrp>
        <FormAndLineReferenceDesc>990-PF Part V and Part XIII</FormAndLineReferenceDesc>
        <MediumExplanationTxt>The Philecology Foundation received a disposition of assets from a terminated foundation, The Bass Charitable Corporation EIN 75-2308846. As a result of a transfer of assets as described in section 507(b)2), the successor foundation is treated as possessing those attributes and characteristics of the transferor which are described in Treasury Regulation 1.507-3(a)(2), (3) and (4). The amounts reported in Part V Adjusted Qualifying Distributions and Net value of non-charitable use assets and the amounts reported as Excess distribution carryover in Part XIII include amounts received from The Bass Charitable Corporation at June 30, 2018.</MediumExplanationTxt>
      </GeneralExplanationGrp>
    </GeneralExplanationAttachment>
    <InvestmentsCorpStockSchedule documentId="RetDoc2018900001">
      <InvestmentsCorporateStockGrp>
        <StockNm>Investments in Stock</StockNm>
        <EOYBookValueAmt>1338497</EOYBookValueAmt>
        <EOYFMVAmt>2213692</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <OtherAssetsSchedule documentId="RetDoc2046600001">
      <OtherAssetsScheduleGrp>
        <Desc>Federal Income Tax Payable</Desc>
        <BOYBookValueAmt>53700</BOYBookValueAmt>
        <EOYBookValueAmt>59000</EOYBookValueAmt>
        <EOYFMVAmt>59000</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>Leasehold Cost- Depletable Assets</Desc>
        <BOYBookValueAmt>1081253</BOYBookValueAmt>
        <EOYBookValueAmt>1106970</EOYBookValueAmt>
        <EOYFMVAmt>1106970</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>Leasehold - A/D</Desc>
        <BOYBookValueAmt>-857469</BOYBookValueAmt>
        <EOYBookValueAmt>-859841</EOYBookValueAmt>
        <EOYFMVAmt>-859841</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>Non-producing Lease Cost</Desc>
        <BOYBookValueAmt>25742</BOYBookValueAmt>
        <EOYBookValueAmt>25</EOYBookValueAmt>
        <EOYFMVAmt>25</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherDecreasesSchedule documentId="RetDoc2049800001">
      <OtherDecreasesDetail>
        <Desc>Non-Deductible Expenses</Desc>
        <Amt>2511</Amt>
      </OtherDecreasesDetail>
      <OtherDecreasesDetail>
        <Desc>Prior Year Excise Tax Adjustments</Desc>
        <Amt>21335</Amt>
      </OtherDecreasesDetail>
    </OtherDecreasesSchedule>
    <OtherIncomeSchedule2 documentId="RetDoc2001500001">
      <OtherIncomeDetail>
        <Desc>Royalty income</Desc>
        <RevenueAndExpensesPerBooksAmt>555746</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>555746</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherIncreasesSchedule documentId="RetDoc2049700001">
      <OtherIncreasesDetail>
        <Desc>Net Distributions From Terminated Nonprofit Corporation</Desc>
        <Amt>488507</Amt>
      </OtherIncreasesDetail>
    </OtherIncreasesSchedule>
  </ReturnData>
</Return>