TRAVELERS GROUP INC
SC 13G/A, 1997-01-27
FIRE, MARINE & CASUALTY INSURANCE
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                   Under the Securities Exchange Act of 1934

                              (Amendment No. 3)

                          Energy Biosystems Corporation
                                (Name of Issuer)


                                  Common Stock
                         (Title of Class of Securities)


                                  29265L-10-2
                                 (CUSIP Number)

   *The remainder of this cover page shall be filled out for a reporting
   person's initial filing on this form with respect to the subject class of
   securities, and for any subsequent amendment containing information which
   would alter the disclosures provided in a prior cover page.

   The information required in the remainder of this cover page shall not be
   deemed to be "filed" for the purpose of Section 18 of the Securities
   Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
   that section of the Act but shall be subject to all other provisions of
   the Act (however, see the Notes).


                       (Continued on following pages(s))



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                                  SCHEDULE 13G

   CUSIP NO.   29265L-10-2

   ---------------------------------------------------------------------------

   1)   Name of Reporting Person           Travelers Group Inc. 
        S.S. or I.R.S Identification       
        No. of Above Person                52-1568099

   ---------------------------------------------------------------------------

   2)   Check the Appropriate Box                    (a)
        if a Member of a Group                       -------------------------
        (See Instructions)                           (b)
                                                     -------------------------

   ---------------------------------------------------------------------------

   3)   SEC Use Only

   ---------------------------------------------------------------------------

   4)   Citizenship or Place of Organization                         Delaware

   ---------------------------------------------------------------------------

   Number of Shares    (5)  Sole Voting Power                               0
   Beneficially Owned  (6)  Shared Voting Power                    552,932(*)
   by Each Reporting   (7)  Sole Dispositive Power                          0
   Person with         (8)  Shared Dispositive Power               552,932(*)

   ---------------------------------------------------------------------------

   9)   Aggregate Amount Beneficially
        Owned by Each Reporting Person                             552,932(*)

   ---------------------------------------------------------------------------

   10)  Check if the Aggregate Amount
        in Row 9 Excludes Certain
        Shares (See Instructions)

   ---------------------------------------------------------------------------

   11)  Percent of Class Represented
        by Amount in Row 9                                             4.7%(*)

   ---------------------------------------------------------------------------

   12)  Type of Reporting Person                                           HC
        (See Instructions)

   ---------------------------------------------------------------------------

                (*)Assumes exercise of certain warrants



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   Item 1(a) Name of Issuer:

        Energy Biosystems Corporation


   Item 1(b) Address of Issuer's Principal Executive Offices:

        4200 Research Forest Drive
        The Woodlands, Texas 77381-4235


   Item 2(a) Names of Persons Filing:

        Travelers Group Inc. ("TRV")        


   Item 2(b) Address of Principal Business Office or, if none, Residence:

        

        The address of the principal business office of TRV is:

        388 Greenwich St.
        New York, New York  10013



   Item 2(c) Citizenship:

        TRV is a Delaware corporation.


   Item 2(d) Title of Class of Securities:

        Common Stock



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   Item 2(e) CUSIP Number:

        29265L-10-2

   Item 3.        If this statement is filed pursuant to Rules 13d-1(b), or
                  13d-2(b), check whether the person filing is a:

          (a)    [   ]   Broker or Dealer registered under Sec. 15 of the Act

          (b)    [   ]   Bank as defined in Sec. 3(a)(6) of the Act

          (c)    [   ]   Insurance Company as defined in Sec. 3(a)(19) of the
                         Act

          (d)    [   ]   Investment Company registered under Sec. 8 of the
                         Investment Company Act

          (e)    [   ]   Investment Adviser registered under Sec. 203 of the
                         Investment Advisers Act of 1940

          (f)    [   ]   Employee Benefit Plan, Pension Fund which is subject
                         to the provisions of the Employee Retirement Income
                         Security Act of 1974 or Endowment Fund; see
                         Sec. 240.13d-1(b)(1)(ii)(F)

          (g)    [ x ]   Parent Holding Company, in accordance with Sec.
                         240.13d-1(b)(ii)(G)  (Note: See Item 7)

          (h)    [   ]   Group, in accordance with Sec. 240.13d-1(b)(1)(ii)(H)

   Item 4. Ownership (as of December 31, 1996)

          (a)  Amount Beneficially Owned:  See Item 9 of cover pages

          (b)  Percent of Class:  See Item 11 of cover pages

          (c)  Number of shares as to which such person has:

             (i)  sole power to vote or to direct the vote

             (ii)  shared power to vote or to direct the vote

             (iii)  sole power to dispose or to direct the disposition of

             (iv)  shared power to dispose or to direct the disposition of

          See Items 5-8 of cover pages



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   Item 5. Ownership of Five Percent or Less of a Class

        If this statement is being filed to report the fact that as of the
        date hereof the reporting person has ceased to be the beneficial
        owner of more than five percent of the class of securities, check the
        following [ X ].


   Item 6.  Ownership of More than Five Percent on Behalf of Another Person

        Not Applicable.


   Item 7.   Identification and Classification of the Subsidiary Which
             Acquired the Security Being Reported on By the Parent Holding
             Company

        Not Applicable.


   Item 8.  Identification and Classification of Members of the Group

        Not Applicable.


   Item 9.  Notice of Dissolution of Group

        Not Applicable.



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   Item 10.  Certification

        By signing below I certify that, to the best of my knowledge, the
        securities referred to above were acquired in the ordinary course of
        business and were not acquired for the purpose of and do not have the
        effect of changing or influencing the control of the issuer of such
        securities and were not acquired in connection with or as a
        participant in any transaction having such purpose or effect.

   Signature

        After reasonable inquiry and to the best of my knowledge and belief,
   I certify that the information set forth in this statement is true,
   complete and correct.

   Date: January 24, 1997


                         TRAVELERS GROUP INC.



                         By: /s/ Charles J. Gallo, Jr.
                            --------------------------------------------
                            Name:  Charles J. Gallo, Jr.
                            Title: Assistant Controller



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                         EXHIBIT INDEX TO SCHEDULE 13G
                         -----------------------------


   EXHIBIT 1
   ---------

   Disclaimer of Beneficial Ownership 





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                                   EXHIBIT 1
                                   ---------

                        DISCLAIMER OF BENEFICIAL OWNERSHIP
                       ------------------------------------


   The undersigned disclaims beneficial ownership of the securities referred
to in the Schedule 13G to which this exhibit is attached, and the filing of
this Schedule 13G shall not be construed as an admission that the undersigned
is, for the purpose of Section 13(d) or 13(g) of the Securities Exchange Act
of 1934, as amended, the beneficial owner of any securities covered by this
Schedule 13G.

   Date: January 24, 1997

                         TRAVELERS GROUP INC.



                         By: /s/ Charles J. Gallo, Jr.
                            --------------------------------------------
                            Name:  Charles J. Gallo, Jr.
                            Title: Assistant Controller




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