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), (c)
           and (d) and Amendments Thereto Filed Pursuant To Rule 13d-2

                    Under the Securities Exchange Act of 1934
                                (Amendment No. 3)


                       Mediacom Communications Corporation
                       -----------------------------------
                                (Name of issuer)

                 Class A Common Stock, $0.01 par value per share
                 -----------------------------------------------
                         (Title of class of securities)

                                   58446K 10 5
                                 --------------
                                 (CUSIP number)

                                December 31, 2006
                                -----------------
             (Date of Event which requires filing of this Statement)

     Check the  appropriate  box to  designate  the rule  pursuant to which this
schedule is filed:

                               [ ] Rule 13d-1 (b)
                               [ ] Rule 13d-1 (c)
                               [x] Rule 13d-1 (d)

*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).









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CUSIP No. 58446K 10 5                13G                   Page 2 of 9 Pages
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- --------------------------------------------------------------------------------
1        Name Of Reporting Persons/I.R.S. Identification Nos. of Above Persons

         Morris Communications Company, LLC
- --------------------------------------------------------------------------------
2        Check the Appropriate Box if a Member of a Group               (a) |_|
                                                                        (b) |_|
- --------------------------------------------------------------------------------
3        SEC Use Only

- --------------------------------------------------------------------------------
4        Citizenship or Place of Organization

         Georgia
- --------------------------------------------------------------------------------
Number of Shares   5      Sole Voting Power         28,309,674 Class A Common
                          ------------------------------------------------------
 Beneficially
                   6      Shared Voting Power                0
  Owned by                ------------------------------------------------------

Each Reporting     7      Sole Dispositive Power    28,309,674 Class A Common
                          ------------------------------------------------------
Person With
                   8      Shared Dispositive Power           0

- --------------------------------------------------------------------------------
9        Aggregate Amount Beneficially Owned by Each Reporting Person

         28,309,674 Class A Common
- --------------------------------------------------------------------------------
10       Check if the Aggregate Amount in Row (9) Excludes Certain Shares   |_|
         (See Instructions)

- --------------------------------------------------------------------------------
11       Percent of Class Represented by Amount in Row (9)

         34.2%
- --------------------------------------------------------------------------------
12       Type Of Reporting Person

         OO
- --------------------------------------------------------------------------------









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CUSIP No. 58446K 10 5                13G                   Page 3 of 9 Pages
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- --------------------------------------------------------------------------------
1        Name Of Reporting Persons/I.R.S. Identification Nos. of Above Persons

         Shivers Investments, LLC
- --------------------------------------------------------------------------------
2        Check the Appropriate Box if a Member of a Group               (a) |_|
                                                                        (b) |_|
- --------------------------------------------------------------------------------
3        SEC Use Only

- --------------------------------------------------------------------------------
4        Citizenship or Place of Organization

         Georgia
- --------------------------------------------------------------------------------
Number of Shares   5      Sole Voting Power         28,309,674 Class A Common
                          ------------------------------------------------------
 Beneficially
                   6      Shared Voting Power                0
  Owned by                ------------------------------------------------------

Each Reporting     7      Sole Dispositive Power    28,309,674 Class A Common
                          ------------------------------------------------------
Person With
                   8      Shared Dispositive Power           0

- --------------------------------------------------------------------------------
9        Aggregate Amount Beneficially Owned by Each Reporting Person

         28,309,674 Class A Common
- --------------------------------------------------------------------------------
10       Check if the Aggregate Amount in Row (9) Excludes Certain Shares   |_|
         (See Instructions)

- --------------------------------------------------------------------------------
11       Percent of Class Represented by Amount in Row (9)

         34.2%
- --------------------------------------------------------------------------------
12       Type Of Reporting Person

         OO
- --------------------------------------------------------------------------------











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CUSIP No. 58446K 10 5                13G                   Page 4 of 9 Pages
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- --------------------------------------------------------------------------------
1        Name Of Reporting Persons/I.R.S. Identification Nos. of Above Persons

         William S. Morris III
- --------------------------------------------------------------------------------
2        Check the Appropriate Box if a Member of a Group               (a) |_|
                                                                        (b) |_|
- --------------------------------------------------------------------------------
3        SEC Use Only

- --------------------------------------------------------------------------------
4        Citizenship or Place of Organization

         Georgia
- --------------------------------------------------------------------------------
Number of Shares   5      Sole Voting Power         28,355,174 Class A Common
                          ------------------------------------------------------
 Beneficially
                   6      Shared Voting Power                0
  Owned by                ------------------------------------------------------

Each Reporting     7      Sole Dispositive Power    28,355,174 Class A Common
                          ------------------------------------------------------
Person With
                   8      Shared Dispositive Power           0

- --------------------------------------------------------------------------------
9        Aggregate Amount Beneficially Owned by Each Reporting Person

         28,355,174 Class A Common
- --------------------------------------------------------------------------------
10       Check if the Aggregate Amount in Row (9) Excludes Certain Shares   |_|
         (See Instructions)

- --------------------------------------------------------------------------------
11       Percent of Class Represented by Amount in Row (9)

         34.3%
- --------------------------------------------------------------------------------
12       Type Of Reporting Person

         IN
- --------------------------------------------------------------------------------











- --------------------------------------------------------------------------------
CUSIP No. 58446K 10 5                 13G                 Page 5 of 9 Pages
- --------------------------------------------------------------------------------

Item 1(a).     Name of Issuer:

               Mediacom Communications Corporation (the "Issuer")

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

               The address of the Issuer's  principal  executive  offices is 100
               Crystal Run Road, Middletown, New York 10941.

Item 2(a).     Name of Person Filing:

                    This  statement is filed on behalf of Morris  Communications
               Company,  LLC  (formerly  Morris   Communications   Corporation),
               Shivers  Investments,  LLC and William S.  Morris III,  who along
               with his spouse, controls both Morris Communications Company, LLC
               and  Shivers  Investments,  LLC  (collectively,   the  "Reporting
               Persons").

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

                    The principal place of business of the Reporting  Persons is
               725 Broad Street, Augusta, Georgia 30901

Item 2(c).     Citizenship:

                    The  Reporting  Persons  are two Georgia  limited  liability
               companies and an individual  resident of the State of Georgia and
               United States citizen.

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

                    The title of the  securities  is Class A Common  Stock  (the
               "Class A Common Stock").

Item 2(e).     CUSIP Number:

                    The CUSIP number of the Class A Common Stock is 58446K 10 5.









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CUSIP No. 58446K 10 5                 13G                 Page 6 of 9 Pages
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Item           3. If this statement is filed pursuant to Rules 13d-1(b), or
               13d-2(b) or (c), 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 of 1940;

     (e)       |_|  An   investment    adviser   in    accordance    with   Rule
                    13d-1(b)(1)(ii)(E);

     (f)       |_|  An employee  benefit plan,  or endowment  fund in accordance
                    with Rule 13d-1 (b)(1)(ii)(F);

     (g)       |_|  A parent  holding  company or control  person in  accordance
                    with Rule 13d-1 (b)(1)(ii)(G);

     (h)       |_|  A savings  association  as defined  in  section  3(b) of the
                    Federal Deposit Insurance Act;

     (i)       |_|  A church plan that is  excluded  from the  definition  of an
                    investment  company under section 3(c)(14) of the Investment
                    Company Act of 1940;

     (j)       |_|  Group, in accordance with Rule 13d-1 (b)(1)(ii)(J).

     If this statement is filed pursuant to Rule 13d-1 (c), check this box. | |









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CUSIP No. 58446K 10 5                 13G                 Page 7 of 9 Pages
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Item 4.  Ownership.

          (a)  Amount beneficially owned:

          Morris  Communications  Company,  LLC (formerly Morris  Communications
     Corporation) owns no shares directly, but indirectly owns 28,309,674 shares
     of Class A Common Stock through  ownership of its wholly owned  subsidiary,
     Shivers Investments,  LLC. Shivers Investments,  LLC owns 28,309,674 shares
     of Class A Common  Stock which it received  as capital  contributions  from
     Morris  Communications  Company.  Further,  William  S.  Morris III owns an
     additional  2,500  shares of Class A Common  Stock  received as  restricted
     grants,  which have now fully  vested.  William S.  Morris III also has the
     option to acquire within 60 days of December 31, 2006 an additional  43,000
     shares of Class A Common Stock.  William S. Morris III controls both Morris
     Communications Company, LLC and Shivers Investments,  LLC. Thus, Mr. Morris
     beneficially owns a total of 28,355,174 shares of Class A Common Stock*.

          (b)  Percent of class:

          Morris  Communications  Company, LLC and Shivers Investments,  LLC own
     34.2% of the outstanding shares of Class A Common Stock.  William S. Morris
     III owns 34.3% of the outstanding shares of Class A Common Stock.

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


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

          Shivers  Investments,  LLC has the sole power to vote or to direct the
     vote of 28,309,674  shares of Class A Common Stock.  Morris  Communications
     Company,  LLC, through its ownership of Shivers  Investments,  LLC, has the
     sole power to vote or to direct the vote of the 28,309,674  shares of Class
     A Common Stock owned by Shivers Investments, LLC. William S. Morris III has
     the sole power to vote or to direct the vote of 28,355,174  shares of Class
     A Common Stock*, which by reason of his control of said entities,  includes
     the  28,309,674  shares of Class A Common  Stock owned  directly by Shivers
     Investments,  LLC and owned  indirectly by Morris  Communications  Company,
     LLC.

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

                Not applicable.

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

          Shivers  Investments,  LLC has the sole power to dispose or direct the
     disposition  of  28,309,674   shares  of  Class  A  Common  Stock.   Morris
     Communications  Company, LLC, through its ownership of Shivers Investments,
     LLC,  has the sole  power to  dispose  or  direct  the  disposition  of the
     28,309,674  shares of Class A Common  Stock  owned by Shivers  Investments,
     LLC.  William  S.  Morris  III has the sole  power to dispose or direct the
     disposition of 28,355,174 shares of Class A Common Stock*,  which by reason
     of his control of said entities,  includes the 28,309,674 shares of Class A
     Common  Stock  owned  directly  by  Shivers  Investments,   LLC  and  owned
     indirectly by Morris Communications Company, LLC.

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

               Not applicable.





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CUSIP No. 58446K 10 5                 13G                 Page 8 of 9 Pages
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     * Said amounts  beneficially  owned by Mr.  Morris in 4(a) and which he has
     the power to vote or  dispose in 4(c) above do not  include  the  following
     restricted stock units and shares subject of options granted to Mr. Morris:
     (i) 2,500  shares of Class A Common Stock that are  restricted  stock units
     that vest on April 25, 2007; (ii) 5,000 shares of Class A Common Stock that
     are  restricted  stock  units  that vest in two equal  annual  installments
     commencing March 14, 2007; (iii) an option to acquire 5,000 shares of Class
     A Common Stock that vests on April 25, 2007;  and (iv) an option to acquire
     10,000  shares  of Class A Common  Stock  that  vests in two  equal  annual
     installments commencing March 14, 2007.


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

         Not applicable.

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.

Item 10. Certification.

         Not applicable.









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CUSIP No. 58446K 10 5                 13G                 Page 9 of 9 Pages
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                                    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.

Dated:  February 13, 2007


                              MORRIS COMMUNICATIONS COMPANY, LLC


                              By: /s/ William S. Morris III
                              -----------------------------
                              Name: William S. Morris III
                                 Title: Chairman



                              SHIVERS INVESTMENTS, LLC



                              By: /s/ William S. Morris III
                              -----------------------------
                              Name: William S. Morris III
                                 Title: Chairman



                               /s/ William S. Morris III
                              ----------------------------
                              William S. Morris III