================================================================================

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

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

                                  SCHEDULE 13G
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
             TO RULES 13d-1(b) AND (c) AND AMENDMENTS THERETO FILED
                              PURSUANT to 13d-2(b)

                              (Amendment No. 3) 1/


                               St. Joe Corporation
             ------------------------------------------------------
                                (Name of Issuer)


                                  Common Stock
             ------------------------------------------------------
                         (Title of Class of Securities)


                                   790148100
             ------------------------------------------------------
                                 (CUSIP Number)

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










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

     1/ 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 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).

================================================================================
                                                              Page 1 of 22 Pages




CUSIP No. 790148100                   13G                    Page 2 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       Alfred I. duPont Testamentary Trust

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       59-0226560
- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       Florida (United States)
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 20,547,764
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  20,547,764
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       00
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 790148100                   13G                    Page 3 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       The Nemours Foundation

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       Florida (United States)
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 744,136
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  744,136
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       00
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 790148100                   13G                    Page 4 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       Winfred L. Thornton

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 2,021
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  2,021
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 790148100                   13G                    Page 5 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       Jacob C. Belin

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 9,255
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  9,255
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 790148100                   13G                    Page 6 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       Hugh M. Durden

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 0
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  0
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 790148100                   13G                    Page 7 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       John F. Porter III

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       Florida (United States)
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 0
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  0
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 790148100                   13G                    Page 8 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       William T. Thompson III

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 21,150
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  21,150
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 790148100                   13G                    Page 9 of 22 Pages

- --------------------------------------------------------------------------------
(1)    NAMES OF REPORTING PERSONS

       Herbert H. Peyton

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


- --------------------------------------------------------------------------------
(2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  |X|
                                                             (b)  | |
- --------------------------------------------------------------------------------
(3)    SEC USE ONLY


- --------------------------------------------------------------------------------
(4)    CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- --------------------------------------------------------------------------------
                          (5)    SOLE VOTING POWER
                                 0
                          ------------------------------------------------------
    NUMBER OF SHARES      (6)    SHARED VOTING POWER
   BENEFICIALLY OWNED            21,324,326
         BY EACH          ------------------------------------------------------
    REPORTING PERSON      (7)    SOLE DISPOSITIVE POWER
           WITH                  0
                          ------------------------------------------------------
                          (8)    SHARED DISPOSITIVE POWER
                                 21,324,326
- --------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,324,326
- --------------------------------------------------------------------------------
(10)   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                             | |

- --------------------------------------------------------------------------------
(11)   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       69.77%
- --------------------------------------------------------------------------------
(12)   TYPE OF REPORTING PERSON*

       IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 790148100                   13G                    Page 10 of 22 Pages

Item 1(a).        Name of Issuer:

                  St. Joe Corporation

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

                  1650 Prudential Drive, Suite 400, Jacksonville, Fl 32207

Item 2(a).        Name of Person Filing:

                  See Item 1 on pages 2 through 9

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

                  1650 Prudential Drive, Suite 300, Jacksonville, Fl 32207

Item 2(c).        Citizenship:

                  See Item 4 on pages 2 through 9

Item 2(d).        Title of Class of Securities:

                  Common Stock

Item 2(e).        CUSIP Number:

                  790148100

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 Section 15 of the Act,

            (b) | | Bank as defined in Section 3(a)(6) of the Act,

            (c) | | Insurance Company as defined in Section 3(a)(19) of the
                    Act,

            (d) | | Investment Company registered under Section 8 of the
                    Investment Company Act,

            (e) | | Investment Adviser registered under Section 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 13d-1(b)(1)(ii)(F),

            (g) | | Parent Holding Company, in accordance with Rule 
                    13d-1(b)(ii)(G); see Item 7,

            (h) | | Group, in accordance with Rule 13d-1(b)(1)(ii)(H).





CUSIP No. 790148100                   13G                    Page 11 of 22 Pages


Item 4.     Ownership.

         If the percent of the class owned, as of December 31 of the year
covered by the statement, or as of the last day of any month described in Rule
13d-1 (b)(2), if applicable, exceeds five percent, provide the following
information as of that date and identify those shares which there is a right to
acquire.

            (a)  Amount beneficially owned:  
                 See Item 9 on pages 2 through 9

            (b)  Percent of Class:  
                 See Item 11 on pages 2 through 9

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

                 (i)   Sole power to vote or to direct the vote  
                       See Item 5 on pages 2 through 9

                 (ii)  Shared power to vote or to direct the vote  
                       See Item 6 on pages 2 through 9

                 (iii) Sole power to dispose or to direct the disposition of
                       See Item 7 on pages 2 through 9

                 (iv)  Shared power to dispose or to direct the disposition of 
                       See Item 8 on pages 2 through 9

                     Instruction. For computations regarding securities which
represent a right to acquire and underlying security, see Rule 13d-3(d)(1).

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 / /.

                     Instruction. Dissolution of a group require a response to
this item.

                                       N/A

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

         If any other person is known to have the right to receive or the power
to direct the receipt of dividends from, or the proceeds from the sale of, such
securities, a statement to that effect should be included in response to this
item and, if such interest relates to more than five percent of the class, such
person should be identified. A listing of the shareholders of an investment
company registered under the Investment Company Act of 1940 or the beneficiaries
of an employee benefit plan, pension fund or endowment fund is not required.

                                       N/A

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

         If a parent holding company has filed this schedule, pursuant to Rule
13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the
identity and the Item 3 classification of the relevant subsidiary. If a parent
holding company has filed this schedule pursuant to Rule 13d-1(c), attach an
exhibit stating the identification of the relevant subsidiary.

                                      N/A

Item 8.     Identification and Classification of Members of the Group.

         If a group has filed this schedule pursuant to Rule 13d-1(b)(ii)(H), so
indicate under Item 3(h) and attach an exhibit stating the identity and Item 3
classification of each member of the group. If a group has filed this schedule
pursuant to Rule 13d-1(c), attach an exhibit stating the identity of each member
of the group.

                            See attached Exhibit A.

Item 9.     Notice of Dissolution of Group.

         Notice of dissolution of a group may be furnished as an exhibit stating
the date of the dissolution and that all further filings with respect to
transactions in the security reported on will be filed, if required, by members
of the group, in their individual capacity. See Item 5. 

                                      N/A

Item 10.    Certification.

         The following certification shall be included if the statement is filed
pursuant to Rule 13d-1(b):



            "By signing below I certify that, to the best of my knowledge and
belief, 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."



CUSIP No. 790148100                   13G                    Page 12 of 22 Pages


                                    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.


                                                           February 13, 1998
                                                     ---------------------------
                                                                (Date)

                                                       /s/ Winfred L. Thornton
                                                     ---------------------------
                                                              (Signature)

                                                          Winfred L. Thornton
                                                     ---------------------------
                                                                (Name)



CUSIP No. 790148100                   13G                    Page 13 of 22 Pages

                                    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.


                                                           February 13, 1998
                                                     ---------------------------
                                                                (Date)

                                                         /s/ Jacob C. Belin
                                                     ---------------------------
                                                              (Signature)

                                                            Jacob C. Belin
                                                     ---------------------------
                                                                (Name)





CUSIP No. 790148100                   13G                    Page 14 of 22 Pages



                                    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.


                                                           February 13, 1998
                                                     ---------------------------
                                                                (Date)

                                                     /s/ William T. Thompson III
                                                     ---------------------------
                                                              (Signature)

                                                       William T. Thompson III
                                                     ---------------------------
                                                                (Name)




CUSIP No. 790148100                   13G                    Page 15 of 22 Pages

                                    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.


                                                           February 13, 1998
                                                     ---------------------------
                                                                (Date)

                                                          /s/ Hugh M. Durden
                                                     ---------------------------
                                                              (Signature)

                                                             Hugh M. Durden
                                                     ---------------------------
                                                                (Name)





CUSIP No. 790148100                   13G                    Page 16 of 22 Pages


                                    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.


                                                           February 13, 1998
                                                     ---------------------------
                                                                (Date)

                                                       /s/ John F. Porter III
                                                     ---------------------------
                                                              (Signature)

                                                          John F. Porter III
                                                     ---------------------------
                                                                (Name)



CUSIP No. 790148100                   13G                    Page 17 of 22 Pages

                                    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.


                                                       February 13, 1998
                                           -------------------------------------
                                                            (Date)

                                            Alfred I. duPont Testamentary Trust
                                           ------------------------------------
                                                       (Name of Trust)

                                                  /s/ Winfred L. Thornton
                                           ------------------------------------
                                                        (Signature)

                                                    Winfred L. Thornton
                                           ------------------------------------
                                                          (Name)


                                                        Chairman
                                           ------------------------------------
                                                         (Title)




CUSIP No. 790148100                   13G                    Page 18 of 22 Pages

                                    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.


                                                       February 13, 1998
                                           -------------------------------------
                                                            (Date)

                                                   The Nemours Foundation
                                           ------------------------------------
                                                    (Name of Foundation)

                                                   /s/ Jacob C. Belin
                                           ------------------------------------
                                                        (Signature)

                                                     Jacob C. Belin
                                           ------------------------------------
                                                          (Name)


                                                        President
                                           ------------------------------------
                                                         (Title)



CUSIP No. 790148100                   13G                    Page 19 of 22 Pages

                                    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.


                                                       February 13, 1998
                                           -------------------------------------
                                                            (Date)

                                                   /s/ Herbert H. Peyton
                                           ------------------------------------
                                                        (Signature)

                                                     Herbert H. Peyton
                                           ------------------------------------
                                                          (Name)



CUSIP No. 790148100                   13G                    Page 20 of 22 Pages

                                    EXHIBIT A

                       Members of the Reporting Group(*)


Name/Address                                             Classification


Alfred I. duPont Testamentary Trust                      Other-Trust
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207


The Nemours Foundation                                   Other-Foundation
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207


Winfred L. Thornton                                      Individual
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207


William T. Thompson III                                  Individual
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207


Jacob C. Belin                                           Individual
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207


Hugh M. Durden                                           Individual
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207


John F. Porter III                                       Individual
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207

Herbert H. Peyton                                        Individual
1650 Prudential Drive, Suite 300
Jacksonville, FL 32207

- ----------

*  The Alfred I. duPont Testamentary Trust and each of the persons listed above
   are the Reporting Persons. The Alfred I. duPont Testamentary Trust and each
   of the persons list above are filing this Schedule 13G as joint filers and
   each are considered for purpose of this Schedule 13G to be members of a
   single group ("Group") within the meaning of Section 13(d)(3) of the
   Securities Exchange Act of 1934, as amended (the "1934 Act"). The Schedule
   13G is being filed to report that the Alfred I. duPont Testamentary Trust and
   each of the persons listed above beneficially own shares of the St. Joe
   Corporation as members of the Group, instead of individually, for purpose of
   complying with the reporting requirements of Section 13(d) of the 1934 Act.




CUSIP No. 790148100                   13G                    Page 21 of 22 Pages

                                   EXHIBIT B

                               Power of Attorney

                      ALFRED I. DUPONT TESTAMENTARY TRUST

                               POWER OF ATTORNEY
                            FOR SCHEDULE 13G FILINGS
                             REPORTING OWNERSHIP OF
                       SHARES OF THE ST. JOE CORPORATION


         KNOW ALL MEN BY THESE PRESENTS, that each person whose signature
appears below constitutes and appoints Winfred L. Thornton, his true and lawful
attorney-in-fact and agent, with full power of substitution, for him and his
name, place and stead, in any and all capacities, to sign any and all Schedule
13Gs with respect to the ownership of common stock, no par value, of St. Joe
Corporation, and all amendments thereto, and to file the same with all exhibits
thereto, and other documents in connection therewith, with the Securities and
Exchange Commission, granting unto said attorney-in-fact and agent full power
and authority to do and perform each and every act and thing requisite and
ratifying and confirming all that said attorney-in-fact and agent or his
substitute or substitutes may lawfully do or cause to be done by virtue hereof.


Date: February 12, 1998

                                                        /s/ Jacob C. Belin
                                               --------------------------------
                                                          Jacob C. Belin


                                                     /s/ Hugh M. Durden III
                                               --------------------------------
                                                       Hugh M. Durden III


                                                     /s/ John F. Porter III
                                               --------------------------------
                                                        John F. Porter III


                                                 /s/ William T. Thompson III
                                               --------------------------------
                                                    William T. Thompson III


                                                   /s/ Herbert H. Peyton
                                               --------------------------------
                                                      Herbert H. Peyton




                                                             Page 22 of 22 Pages
                             THE NEMOURS FOUNDATION

                               POWER OF ATTORNEY
                            FOR SCHEDULE 13G FILINGS
                             REPORTING OWNERSHIP OF
                       SHARES OF THE ST. JOE CORPORATION


         KNOW ALL MEN BY THESE PRESENTS, that each person whose signature
appears below constitutes and appoints Jacob C. Belin, his true and lawful
attorney-in-fact and agent, with full power of substitution, for him and his
name, place and stead, in any and all capacities, to sign any and all Schedule
13Gs with respect to the ownership of common stock, no par value, of St. Joe
Corporation, and all amendments thereto, and to file the same with all exhibits
thereto, and other documents in connection therewith, with the Securities and
Exchange Commission, granting unto said attorney-in-fact and agent full power
and authority to do and perform each and every act and thing requisite and
ratifying and confirming all that said attorney-in-fact and agent or his
substitute or substitutes may lawfully do or cause to be done by virtue hereof.


Date: February 12, 1998

                                                    /s/ Hugh M. Durden III
                                               --------------------------------
                                                       Hugh M. Durden III


                                                    /s/ John F. Porter III
                                               --------------------------------
                                                        John F. Porter III


                                                 /s/ William T. Thompson III
                                               --------------------------------
                                                    William T. Thompson III


                                                   /s/ Winfred L. Thornton
                                               --------------------------------
                                                       Winfred L. Thornton


                                                   /s/ Herbert H. Peyton
                                               --------------------------------
                                                      Herbert H. Peyton