SECURITIES AND EXCHANGE COMMISSION
                                 Washington, D. C.  20549

                                      Form 10-K/A

X   ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE 
    ACT OF 1934 

FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997

___ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES 
    EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM _______ to  _______ 
Commission File Number   0-7275 

                                CULLEN/FROST BANKERS, INC.                    
                 (Exact name of registrant as specified in its charter)

           Texas                                               74-1751768     
- -------------------------------                         -----------------------
     
(State or other jurisdiction of                            (I.R.S. Employer  
incorporation or organization)                             Identification No.)

     100 W. Houston Street
      San Antonio, Texas                                           78205      
- -------------------------------                                   -------
(Address of principal executive offices)                         (Zip Code)

Registrant's telephone number, including area code:  (210) 220-4011
Securities registered pursuant to Section 12(b) of the Act:  None.
Securities registered pursuant to Section 12(g) of the Act:

                            Common Stock, $.01 Par Value
                               (with attached rights)
                             --------------------------
                                 (Title of Class)

     Indicate by check mark whether the registrant (1) has filed all reports 
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 
1934 during the preceding 12 months (or for such shorter period that the 
registrant was required to file such reports), and (2) has been subject to such 
filing requirements for the past 90 days.
YES X   NO 
   ---     ----
     Indicate by check mark if disclosure of delinquent filers pursuant to Item 
405 of Regulation S-K is not contained herein, and will not be contained, to 
the best of the registrant's knowledge, in definitive proxy or information 
statements incorporated by reference in Part III of this Form 10-K or any 
amendment to this Form 10-K.
                            ---
     The aggregate market value of the voting stock held by non-affiliates of 
the registrant was $1,251,133,604 based on the closing price of such stock as 
of March 26, 1998.

     Indicate the number of shares outstanding of each of the registrant's 
classes of common stock, as of the latest practicable date. 

                                                      Outstanding at
                        Class                         March 26, 1998
             ----------------------------             --------------     
             Common Stock, $.01 par value               22,259,489
  
                          DOCUMENTS INCORPORATED BY REFERENCE
(1) Proxy Statement for Annual Meeting of Shareholders to be held May 27, 1998 
    (Part III)



                      SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549


                                 FORM 10-K/A

                      AMENDMENT TO APPLICATION OR REPORT
                  FILED PURSUANT TO SECTION 12,13 OR 15(D) OF
                      THE SECURITIES EXCHANGE ACT OF 1934


                          CULLEN/FROST BANKERS, INC.
            (Exact name of registrant as specified in its charter)


                               AMENDMENT NO. 3


The undersigned registrant hereby amends the following items, financial 
statements, exhibits or other portions of its Annual Report on Form 10-K for 
the fiscal year ended December 31, 1997 as set forth in the pages attached 
hereto:


Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K


1.  Financial Statements--Reference is made to Part II, Item 8 of this Annual 
    Report on Form 10-K.  Exhibit 19.1 and Exhibit 19.2 are hereby amended and
    are filed herewith as Exhibit 19.1 and Exhibit 19.2, respectively.

2.  Exhibits--The following amended exhibits are filed herewith as a part of 
    this Amendment No. 3 to the registrant's Annual Report on Form 10-K.

    19.1 The financial statements and exhibits required by Form 11-K with 
         respect to the 1991 Thrift Incentive Stock Purchase Plan for Employees
         of Cullen/Frost Bankers, Inc. for the fiscal years ended
         December 31, 1997 and 1996.

    19.2 The financial statements and exhibits required by Form 11-K with
         respect to the 401(k) Stock Purchase Plan for Employees of 
         Cullen/Frost Bankers, Inc. for the fiscal years ended
         December 31, 1997 and 1996.


Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this amendment to be signed on its behalf by the 
undersigned, thereunto duly authorized.
                                                
                                               Cullen/Frost Bankers, Inc.
                                               --------------------------
                                                      (Registrant)


Date:   January 28, 1999                     By:/s/Phillip D. Green
                                                -----------------------
                                                Phillip D. Green
                                                Senior Executive Vice President
                                                and Chief Financial Officer
                                                (Duly Authorized Officer and
                                                Principal Accounting Officer)




PART IV


Item 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K
- --------------------------------------------------------------------------
(a)  The following documents are filed as part of this Annual Report on Form 
     10-K:

  1. Financial Statements -- Reference is made to Part II, Item 8, of this 
     Annual Report on Form 10-K.

  2. The Financial Statement Schedules are omitted, as the required information 
     is not applicable.

  3. Exhibits -- The following exhibits are filed as a part of this Annual 
     Report on Form 10-K:

     Exhibit
     Number
     -------
       3.1    Articles of Incorporation of Cullen/Frost Bankers, Inc. as amended
              through 1997 (12)
       3.2    Amended By-Laws of Cullen/Frost Bankers, Inc. (1995 Form 10-K/A, 
              Exhibit 3.2)(9)
       4.1    Shareholder Protection Rights Agreement dated as of August 1, 1996
              between Cullen/Frost Bankers, Inc. and The Frost National Bank,
              as Rights Agent (1996) Form 8-A12G/A, Exhibit 1)(10)
      10.1    1983 Non-qualified Stock Option Plan, as amended (1989 Form S-8, 
              Exhibit 4(g))(2)
      10.2    Restoration of Retirement Income Plan for Participants in the 
              Retirement Plan for Employees of Cullen/Frost Bankers, Inc. and
              its Affiliates (as amended and restated) (1988 Form 10-K,
              Exhibit 10.4)(1)*
      10.3    Form of Revised Change-In-Control Agreements with four Executive 
              Officers (1989 Form 10-K, Exhibit 10.13(a))(4)*
      10.4    1988 Non-qualified Stock Option Plan (1989 Form S-8, Exhibit 
              4(g))(3)
      10.5    The 401(k) Stock Purchase Plan for employees of Cullen/Frost 
              Bankers, Inc. and its Affiliates (1990 Form S-8, Exhibit 4(g))(5)*
      10.6    1991 Thrift Incentive Stock Purchase Plan for Employees of 
              Cullen/Frost Bankers, Inc. and its Affiliates (1991 Form S-8,
              Exhibit 4(g))(6)*
      10.7    Cullen/Frost Bankers, Inc. Restricted Stock Plan (1992 Form S-8, 
              Exhibit 4(d))(7)*
      10.8    Cullen/Frost Bankers, Inc. Supplemental Executive Retirement Plan 
              (1994 Form 10-K, Exhibit 10.13)(8)
      10.9    Form of Revised Change-In-Control Agreements with one Executive 
              Officer (1994 Form 10-K, Exhibit 10.14)(8)
      10.10   Retirement agreement with one Executive Officer (1996 Form 10-K, 
              Exhibit 10.13)(11)
      10.11   Cullen/Frost Bankers, Inc. 1997 Directors Stock Plan (12)
      10.12   Cullen/Frost Bankers, Inc. 1992 Stock Plan, as amended (12)
      11      Statement re: computation of earnings per share (12)
      11.1    Statement re: SFAS 128 restated quarterly computation of earning 
              per share for years 1997 and 1996 (12)
      19.1    Annual Report on Form 11-K for the Year Ended December 31, 1997, 
              for the 1991 Thrift Incentive Stock Purchase Plan (filed pursuant
              to Rule 15d-21 of the Securities and Exchange Act of 1934)(13)
      19.2    Annual Report on Form 11-K for the Year Ended December 31, 1997, 
              for the 401(k) Stock Purchase Plan (filed pursuant to Rule 15d-21
              of the Securities and Exchange Act of 1934)(13)
      21      Subsidiaries of Cullen/Frost 
      23      Consent of Independent Auditors
      23.1    Consent of Independent Auditors with respect to Form 10-K/A for 
              the 1991 Thrift Incentive Stock Plan (13)
      24      Power of Attorney
      27      Financial Data Schedule



*  Management contract or compensatory plan or arrangement required to be filed 
   as an exhibit pursuant to Item 601 of Regulation S-K.

(b) Reports on Form 8-K -- No such reports were filed during the quarter ended 
      December 31, 1997.
______________________

   (1)  Incorporated herein by reference to the designated Exhibits to the 
        Cullen/Frost Annual Report on Form 10-K for the Year Ended
        December 31, 1988 (File No. 0-7275)

   (2)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Report on Form S-8 filed September 5, 1989
        (File No. 33-30776)

   (3)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Report on Form S-8 filed September 5, 1989
        (File No. 33-30777)

   (4)  Incorporated herein by reference to the designated Exhibits to the 
        Cullen/Frost Annual Report on Form 10-K for the Year Ended
        December 31, 1989 (File No. 0-7275)

   (5)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Report on Form S-8 filed October 31, 1990
        (File No. 33-37500) 

   (6)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Report on Form S-8 filed March 18, 1991
        (File No. 33-39478)

   (7)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Report on Form S-8 filed October 20, 1992
        (File No. 33-53492)

   (8)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Annual Report on Form 10-K for the Year Ended
        December 31, 1994 (File No. 0-7275)

   (9)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Annual Report on Form 10-K/A for the Year Ended
        December 31, 1995 (File No. 0-7275)

  (10)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Current Report on Form 8-A12G/A dated August 1, 1996
        (File No. 0-7275)

  (11)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Annual Report on Form 10-K for the Year Ended
        December 31, 1996 (File No. 0-7275)

  (12)  Incorporated herein by reference to the designated Exhibits to 
        Cullen/Frost's Annual Report on Form 10-K for the Year Ended
        December 31, 1997 (File No. 0-7275)

  (13)  Amended and filed herewith.





EXHIBIT INDEX TO FORM 10-K/A

Exhibit
Number             Description of Exhibits
- ------------------------------------------
 19.1    The financial statements and exhibits required by Form 10-K/A with
         respect to the 1991 Thrift Incentive Stock Purchase Plan for Employees
         of Cullen/Frost Bankers, Inc. for the fiscal years ended December 31,
         1997 and 1996 (filed pursuant to Rule 15d-21 of the Securities and
         Exchange Act of 1934)

 19.2    The financial statement and exhibits required by Form 10-K/A with
         respect to the 401 (k) Stock Purchase Plan for Employees of 
         Cullen/Frost Bankers, Inc. for the fiscal years ended December 31, 1997
         and 1996 (filed pursuant to Rule 15d-21 of the Securities and Exchange
         Act of 1934)