SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                               AMENDMENT NO. 2 TO
                                  SCHEDULE 13D


                    Under the Securities Exchange Act of 1934


                            COMSTOCK RESOURCES, INC.
                 --------------------------------------------------------------
                                (Name of Issuer)

                          Common Stock, $0.50 Par Value
                 --------------------------------------------------------------

                         (Title of Class of Securities)


                                                      205768203
                                 (CUSIP NUMBER)

                           CAMBRIDGE INVESTMENTS, LTD.
                              600 Montgomery Street
                                   43rd Floor
                         San Francisco, California 94111
                            Tel. No.: (415) 781-0866
                 --------------------------------------------------------------

                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                               - with copies to -

                           Michael G. Tannenbaum, Esq.
              Newman Tannenbaum Helpern Syracuse & Hirschtritt LLP
                          900 Third Avenue - 13th Floor
                            New York, New York 10022
                                 (212) 508-6700


                 --------------------------------------------------------------
                                November 14, 1997
             (Date of event which requires filing of this statement)


If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d- 1(b)(3) or (4) check the following box [ ]

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, as amended ("Act") or otherwise subject to the liabilities of that section
of the Act but shall be subject to all other provisions of the Act.

                                               Page 1 of 8 Pages
                                                    





- ---------------------                      ------------------------------------
CUSIP No. 205768203              13D
- ---------------------                      ------------------------------------
      1         NAME OF REPORTING PERSONS
                S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

                Cambridge Investments, Ltd.
- -------------------------------------------------------------------------------
      2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a) |_|
                                                                     (b) |_|
- -------------------------------------------------------------------------------
      3         SEC USE ONLY
- -------------------------------------------------------------------------------
      4         SOURCE OF FUNDS*
                00
- -------------------------------------------------------------------------------
      5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
                PURSUANT TO ITEM 2(d) or 2(e)                            |_|
- -------------------------------------------------------------------------------
      6         CITIZENSHIP OR PLACE OF ORGANIZATION
                U.S.A.
- -------------------------------------------------------------------------------
   NUMBER OF               7       SOLE VOTING POWER
    SHARES
   BENEFICIALLY                    183,216 shares of Common Stock (See Item 5.)
    OWNED BY
     EACH
     REPORTING
   PERSON WITH
- -------------------------------------------------------------------------------
       8       SHARED VOTING POWER

               0
- -------------------------------------------------------------------------------
       9       SOLE DISPOSITIVE POWER

               183,216   shares   of  Common Stock (See Item 5.)
- -------------------------------------------------------------------------------
      10      SHARED DISPOSITIVE POWER

              0
- -------------------------------------------------------------------------------

     11         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                183,216 shares of Common Stock (See Item 5.)
- -------------------------------------------------------------------------------
     12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
                SHARES*                                                    |_|

- -------------------------------------------------------------------------------
     13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                .75% of Common Stock  (See Item 5)
- -------------------------------------------------------------------------------
     14         TYPE OF REPORTING PERSON*
                IA
- -------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT

                                               Page 2 of 8 Pages
                                                     





                                                AMENDMENT NO. 2 TO
                                                   SCHEDULE 13D

                  This  Amendment No. 2 to Schedule 13D is being filed on behalf
of Cambridge Investments, Ltd., a California corporation ("Cambridge" or "CIL"),
registered as an investment advisor in the State of California, regarding shares
of Comstock Resources, Inc. acquired on behalf of certain of its clients.

Item 1.           Security and Issuer

                  Securities acquired:  Common Stock, $0.50 par value

                  Issuer:       Comstock Resources, Inc. (the "Issuer")
                                5005 LBJ Freeway - Suite 1000
                                Dallas, TX  75244
                                (214) 701-2000

Item 2.           Identity and Background

                  There is no change in this section.

Item 3.           Source and Amount of Funds

                  Cambridge, through Cambridge Energy, L.P. ("CELP"), Cambridge
Energy Fund International Ltd. ("CEF") Cambridge Oil & Gas, L.P. ("COG"),
Cambridge Oil & Gas International, Ltd. ("COG Int'l") and Quantum Partners, LDC
"QUE") (collectively, the "Funds"), has invested approximately $1,571,599.82 in
Common Stock of the Issuer as described in Item 5 below.  CELP, CEF, COG, COG
Int'l., and QUE have invested approximately $491,239.96, $268.63, $596,514.20, 
$210,179.18, and $273,397.85 respectively.  The source of these funds was the
respective working capital of each of the Funds.

Item 4.           Purpose of the Transaction

                  There is no change in this section.


Item 5.           Interest in Securities of the Issuer

                  As of December 12, 1997,  Cambridge is the beneficial owner of
183,216 shares of Common Stock, or .75% shares of the shares outstanding. Of the
183,216  shares  of  Common  Stock  described   above,  (i)  94,000  are  deemed
beneficially  owned by Cambridge in its capacity as  investment  advisor for the
institutional  account  of  CELP;  (ii)  66 are  deemed  beneficially  owned  by
Cambridge in its capacity as investment advisor for the institutional account of
CEF; (iii) 45,800 are deemed  beneficially owned by Cambridge in its capacity as
investment advisor for the institutional  account of COG; (iv) 18,450 are deemed
beneficially

                                               Page 3 of 8 Pages
                                                      





owned by Cambridge in its capacity as investment  advisor for the  institutional
account of COG Int'l.; (v) 24,900 are deemed  beneficially owned by Cambridge in
its capacity as investment advisor for the institutional account of QUE.

                  The number of shares beneficially owned by Cambridge,  and the
percentage of  outstanding  shares  represented  thereby,  have been computed in
accordance  with Rule  13d-3  under the Act.  The  percentage  of  ownership  of
Cambridge  on December  12, 1997 is based on  24,204,785  outstanding  shares of
Common Stock as reported in the Issuer's  Quarterly Report on Form 10-Q as filed
with the Securities and Exchange Commission on November 10, 1997.

                  (b)  Cambridge  has the sole power to vote and  dispose of the
shares of Common Stock held for the  institutional  accounts of CELP,  CEF, COG,
COG Int'l., and QUE, respectively.

                  (c) The  transactions in the Issuer's  securities by Cambridge
since the last  filing  are  listed as Annex A  attached  hereto  and made apart
hereof.

                  (d) The Funds have the right to  participate in the receipt of
dividends from, or proceeds from the sale of,  securities held on behalf of such
funds.

                  (e)    Not Applicable.


Item 6.           Contracts, Arrangement, Understandings or Relationships with 
                  Respect to
                  Securities of the Issuer

                  There is no change in this section.


Item 7.           Material to be Filed as Exhibits

                  There is no change in this section.

                                               Page 4 of 8 Pages
                                                      






- -----------------------------------------------------------------------------------------
                                          CRK
- -----------------------------------------------------------------------------------------
                                                                      
         DATE      ACCOUNT          TRANS                       SHARES            PRICE
                                    (A/D)                                         ($)
- -----------------------------------------------------------------------------------------
         11/05/97  CEF               D                            5550            15.87
- -----------------------------------------------------------------------------------------
         11/05/97  CEF               D                           20350            16.02
- -----------------------------------------------------------------------------------------
         11/05/97  CELP              D                           19800            16.02
- -----------------------------------------------------------------------------------------
         11/05/97  CELP              D                            5400            15.87
- -----------------------------------------------------------------------------------------
         11/05/97  COG               D                            6050            16.07
- -----------------------------------------------------------------------------------------
         11/05/97  COG               D                            1650            15.94
- -----------------------------------------------------------------------------------------
         11/05/97  COGI              D                            2750            16.01
- -----------------------------------------------------------------------------------------
         11/05/97  COGI              D                             750            15.86
- -----------------------------------------------------------------------------------------
         11/05/97  PAL*              D                            1500            15.87
- -----------------------------------------------------------------------------------------
         11/05/97  PAL*              D                             550            15.99
- -----------------------------------------------------------------------------------------
         11/05/97  PAL*              D                             150            15.78
- -----------------------------------------------------------------------------------------
         11/05/97  QUE               D                            5500            16.01
- -----------------------------------------------------------------------------------------
         11/14/97  PAL*              D                           14500            14.17
- -----------------------------------------------------------------------------------------
         11/14/97  PAL*              D                            4700            14.17
- -----------------------------------------------------------------------------------------
         11/14/97  PAL*              D                            5384            14.17
- -----------------------------------------------------------------------------------------
         11/14/97  QUE               D                           60000             14.2
- -----------------------------------------------------------------------------------------
         11/14/97  QUE               D                           10000             14.2
- -----------------------------------------------------------------------------------------
         11/14/97  QUE               D                            6200             14.2
- -----------------------------------------------------------------------------------------
         11/14/97  QUE               D                           18800            14.17
- -----------------------------------------------------------------------------------------
         11/14/97  QUE               D                           23800             14.2
- -----------------------------------------------------------------------------------------
         11/17/97  CEF               D                           10000            14.62
- -----------------------------------------------------------------------------------------
         11/17/97  CELP              D                           10000            14.62
- -----------------------------------------------------------------------------------------
         11/17/97  QUE               D                            5000            14.62
- -----------------------------------------------------------------------------------------
         11/18/97  CEF               D                           42000            14.54
- -----------------------------------------------------------------------------------------
         11/18/97  CELP              D                           41000            14.54
- -----------------------------------------------------------------------------------------
         11/18/97  COGI              D                            6000            14.59
- -----------------------------------------------------------------------------------------
         11/18/97  QUE               D                           11000            14.54
- -----------------------------------------------------------------------------------------
         11/19/97  CEF               D                           21800            14.14
- -----------------------------------------------------------------------------------------
         11/19/97  CEF               D                            8400            14.19
- -----------------------------------------------------------------------------------------
         11/19/97  CEF               D                            9700            14.14
- -----------------------------------------------------------------------------------------
         11/19/97  CELP              D                           11600            14.14
- -----------------------------------------------------------------------------------------
         11/19/97  CELP              D                            8200            14.19
- -----------------------------------------------------------------------------------------
         11/19/97  CELP              D                           10900            14.14
- -----------------------------------------------------------------------------------------
         11/19/97  CELP              D                            7100            14.14
- -----------------------------------------------------------------------------------------
         11/19/97  CELP              D                            1100            14.14
- -----------------------------------------------------------------------------------------
         11/19/97  COGI              D                            1200            14.25
- -----------------------------------------------------------------------------------------
         11/19/97  COGI              D                            4500            14.19
- -----------------------------------------------------------------------------------------
         11/19/97  QUE               D                            2200            14.18
- -----------------------------------------------------------------------------------------
         11/19/97  QUE               D                            8300            14.13
- -----------------------------------------------------------------------------------------
         11/20/97  CEF               D                            9000             14.8
- -----------------------------------------------------------------------------------------
         11/20/97  CEF               D                            4216             14.8
- -----------------------------------------------------------------------------------------
         11/20/97  CEF               D                           12000             14.8

Page 5 of 8 Pages - ----------------------------------------------------------------------------------------- 11/20/97 CEF D 13450 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CEF D 500 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CEF D 3000 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CEF D 22900 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CEF D 8000 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CEF D 10934 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CELP D 17900 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CELP D 6500 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 CELP D 57600 14.8 - ----------------------------------------------------------------------------------------- 11/20/97 COGI D 12000 14.85 - ----------------------------------------------------------------------------------------- 11/20/97 QUE D 22000 14.8 - ----------------------------------------------------------------------------------------- 11/21/97 CEF D 1066 14.59 - ----------------------------------------------------------------------------------------- 11/21/97 CEF D 11534 14.59 - ----------------------------------------------------------------------------------------- 11/21/97 CELP D 12300 14.59 - ----------------------------------------------------------------------------------------- 11/21/97 COGI D 1800 14.65 - ----------------------------------------------------------------------------------------- 11/21/97 QUE D 3300 14.59 - ----------------------------------------------------------------------------------------- 11/24/97 CEF D 10500 14.14 - ----------------------------------------------------------------------------------------- 11/24/97 CELP D 10200 14.14 - ----------------------------------------------------------------------------------------- 11/24/97 COGI D 1500 14.19 - ----------------------------------------------------------------------------------------- 11/24/97 QUE D 2800 14.13 - ----------------------------------------------------------------------------------------- 11/25/97 CEF D 4066 13.69 - ----------------------------------------------------------------------------------------- 11/25/97 CEF D 31500 13.47 - ----------------------------------------------------------------------------------------- 11/25/97 CEF D 28600 13.47 - ----------------------------------------------------------------------------------------- 11/25/97 CEF D 6534 13.69 - ----------------------------------------------------------------------------------------- 11/25/97 CELP D 10200 13.69 - ----------------------------------------------------------------------------------------- 11/25/97 CELP D 2100 13.47 - ----------------------------------------------------------------------------------------- 11/25/97 COGI D 1500 13.75 - ----------------------------------------------------------------------------------------- 11/25/97 COGI D 4500 13.52 - ----------------------------------------------------------------------------------------- 11/25/97 QUE D 2100 13.68 - ----------------------------------------------------------------------------------------- 11/25/97 QUE D 600 13.68 - ----------------------------------------------------------------------------------------- 11/25/97 QUE D 8300 13.47 - ----------------------------------------------------------------------------------------- 12/01/97 CEF D 23900 12.78 - ----------------------------------------------------------------------------------------- 12/01/97 CELP D 23400 12.78 - ----------------------------------------------------------------------------------------- 12/01/97 COGI D 3400 12.84 - ----------------------------------------------------------------------------------------- 12/01/97 QUE D 6300 12.78 - ----------------------------------------------------------------------------------------- 12/02/97 CELP D 40600 12.87 - ----------------------------------------------------------------------------------------- 12/02/97 COG D 20200 12.92 - ----------------------------------------------------------------------------------------- 12/02/97 QUE D 3500 12.86 - ----------------------------------------------------------------------------------------- 12/02/97 QUE D 5800 12.86 - ----------------------------------------------------------------------------------------- 12/02/97 QUE D 4900 12.86 - ----------------------------------------------------------------------------------------- 12/03/97 CEF D 22000 13.38 - ----------------------------------------------------------------------------------------- 12/03/97 CEF D 7966 13.38
Page 6 of 8 Pages - ----------------------------------------------------------------------------------------- 12/03/97 CEF D 2234 13.38 - ----------------------------------------------------------------------------------------- 12/03/97 CELP D 10400 13.38 - ----------------------------------------------------------------------------------------- 12/03/97 CELP D 19000 13.38 - ----------------------------------------------------------------------------------------- 12/03/97 COG D 9500 13.43 - ----------------------------------------------------------------------------------------- 12/03/97 COGI D 2300 13.43 - ----------------------------------------------------------------------------------------- 12/03/97 QUE D 8600 13.38 - ----------------------------------------------------------------------------------------- 12/05/97 CEF D 18700 12.63 - ----------------------------------------------------------------------------------------- 12/05/97 CELP D 2200 14.07 - ----------------------------------------------------------------------------------------- 12/05/97 CELP D 23000 14.07 - ----------------------------------------------------------------------------------------- 12/05/97 QUE D 4400 14.07 - ----------------------------------------------------------------------------------------- 12/05/97 QUE D 1700 14.07 - ----------------------------------------------------------------------------------------- 12/08/97 CEF D 3600 13.8 - ----------------------------------------------------------------------------------------- 12/08/97 CELP D 2000 13.8 - ----------------------------------------------------------------------------------------- 12/08/97 QUE D 600 13.78 - ----------------------------------------------------------------------------------------- 12/09/97 CEF D 8700 13.36 - ----------------------------------------------------------------------------------------- 12/09/97 CELP D 3000 13.36 - ----------------------------------------------------------------------------------------- 12/09/97 QUE D 1300 13.35 - ----------------------------------------------------------------------------------------- 12/10/97 CEF D 7000 13.54 - ----------------------------------------------------------------------------------------- 12/10/97 CELP D 10000 13.54 - ----------------------------------------------------------------------------------------- 12/10/97 QUE D 1600 13.53 - ----------------------------------------------------------------------------------------- 12/11/97 CEF D 9034 12.62 - ----------------------------------------------------------------------------------------- 12/11/97 CEF D 12966 12.62 - ----------------------------------------------------------------------------------------- 12/12/97 CEF D 5966 12.19 - ----------------------------------------------------------------------------------------- 12/12/97 CEF D 10000 12.29 - ----------------------------------------------------------------------------------------- 12/12/97 CEF D 28834 12.29 - ----------------------------------------------------------------------------------------- 12/12/97 CEF D 1166 12.29 - ----------------------------------------------------------------------------------------- 12/12/97 CEF D 4234 12.19 - ----------------------------------------------------------------------------------------- 12/12/97 CELP D 10800 12.19 - ----------------------------------------------------------------------------------------- 12/12/97 QUE D 4000 12.19 - -----------------------------------------------------------------------------------------
=============================================================================== * "PAL" as used herein means Palamundo, LDC Page 7 of 8 Pages Signatures After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. Dated: January 16, 1998 CAMBRIDGE INVESTMENTS, LTD. By:/s/Jocelyn E. Weingart, Vice President Page 8 of 8 Pages