BELLET DAVID F
SC 13G/A, 1998-03-04
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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

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

                                  SCHEDULE 13G/A

                                 (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.        2        )(1)
                                ----------------


                                  Medcath, Inc.
- --------------------------------------------------------------------------------
                                (Name of Issuer)


                          Common Stock, $.01 par value
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    584050108
- --------------------------------------------------------------------------------
                                 (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 informaiton which
    would alter disclosures provided in a prior cover page.

    The information required on 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).

                               Index is on Page 27


                              Page  1 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  2 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Crown Associates III, L.P.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       New York

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           95,000 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0                     
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           95,000 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       95,000 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|


- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.81 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 2 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  3 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Crown Partners III, L.P.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       New York

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           95,000 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0                     
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           95,000 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       95,000 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.81 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 3 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  4 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Crown-Glynn Associates, L.P.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       New York

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           43,000 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0                     
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           43,000 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       43,000 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.37 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 4 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  5 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Crown-Glynn Partners, L.P.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       New York

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           43,000 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0                     
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           43,000 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       43,000 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.37 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 5 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  6 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Crown-Glynn Advisors, Ltd.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       New York

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           138,000 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0                     
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           138,000 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       138,000 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       1.2 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IA CO

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 6 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  7 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       The Crown Trust

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       New York

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           264,400 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0                     
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           264,400 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       264,400 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       2.3 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       EP

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 7 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  8 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Crown Capital Management, Ltd.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       New York

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           264,400 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0                     
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           264,400 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       264,400 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       2.3 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IA CO

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 8 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page  9 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       David F. Bellet

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S.

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            40,000 shares of Common Stock

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           402,400 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              40,000 shares of Common Stock
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           402,400 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       442,400 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       3.8 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 9 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 10 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       John W. Glynn, Jr.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S.

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            5,356 shares of Common Stock

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           697,500 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              5,356 shares of Common Stock
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           697,500 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       702,856 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       6.0 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 10 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 11 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Jeffrey S. Hamren

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S.

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           402,400 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           402,400 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       402,400 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       3.4 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 11 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 12 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Daryl Messinger

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S.

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            1,378 shares of Common Stock

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           697,500 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              1,378 shares of Common Stock
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           697,500 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       698,878 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       6.0 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 12 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 13 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Margaret S. McNamara

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S.

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            550 shares of Common Stock

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           402,400 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              550 shares of Common Stock
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           402,400 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       402,950 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       3.4 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 13 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 14 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Steven Rosston

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S.

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            1,029 shares of Common Stock

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           697,500 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              1,029 shares of Common Stock
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           697,500 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       698,529 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       6.0 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 14 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 15 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Chester A. Siuda

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S.

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            2,816 shares of Common Stock

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           402,400 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              2,816 shares of Common Stock
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           402,400 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       405,216 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       3.5 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 15 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 16 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Glynn Capital Management

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       California

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           137,900 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           137,900 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       137,900 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       1.2 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       IA

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 16 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 17 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Glynn Emerging Opportunity Fund

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       California

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           59,200 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           59,200 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       59,200 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.5 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 17 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 18 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Glynn Buckley Investments, L.P.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       California

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           19,200 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           19,200 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       19,200 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.16 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 18 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 19 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Glynn Investment, L.P.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       California

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           24,700 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           24,700 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       24,700 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.21 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 19 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 20 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Glynn Peterson

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       California

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           7,300 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           7,300 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       7,300 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.06 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 20 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 21 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       McMorgan Fund II, L.P.

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       California

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           45,800 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           45,800 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       45,800 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.39 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 21 of 28 pages
<PAGE>

- ----------------------                                      --------------------
CUSIP No. 584050108                   13G                   Page 22 of 28 Pages
          ---------                                              --    --
- ----------------------                                      --------------------

- --------------------------------------------------------------------------------
 1.    NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Glynn Capital Management 401K

- --------------------------------------------------------------------------------
 2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) |_|
                                                                           
                                                                       (b) |_|

- --------------------------------------------------------------------------------
 3.    SEC USE ONLY

- --------------------------------------------------------------------------------
 4.    CITIZENSHIP OR PLACE OF ORGANIZATION

       California

- --------------------------------------------------------------------------------
                       5.  SOLE VOTING POWER

      NUMBER OF            0

 SHARES BENEFICIALLY   ---------------------------------------------------------
                       6.  SHARED VOTING POWER           
      OWNED BY                                           
                           1,000 shares of Common Stock
        EACH           
                       ---------------------------------------------------------
      REPORTING        7.  SOLE DISPOSITIVE POWER
                                                 
       PERSON              0
                       ---------------------------------------------------------
        WITH           8.  SHARED DISPOSITIVE POWER      
                                                         
                           1,000 shares of Common Stock
- --------------------------------------------------------------------------------
 9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       1,000 shares of Common Stock

- --------------------------------------------------------------------------------
10.    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
       SHARES*                                                              |_|



- --------------------------------------------------------------------------------
11.    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       0.008 %

- --------------------------------------------------------------------------------
12.    TYPE OF REPORTING PERSON*

       EP

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 22 of 28 pages
<PAGE>

Item 1(a)   Name of Issuer: Medcath, Inc.

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

            7621 Little Avenue, Suite 106, Charlotte, NC 28226

Item 2(a)   Names of Person Filing See cover pages.

      Relationship of filing persons:

            Glynn Capital Management, Crown-Glynn Advisors Ltd., and Crown
Capital Management Ltd. are Registered Investment Advisors.

            Glynn Capital Management is investment advisor to Glynn Emerging
Opportunity Fund, a California limited partnership, Glynn Buckley Investments, a
California limited partnership, McMorgan Fund II, a California limited
partnership, and Glynn Investments, a California limited partnership.

            Crown-Glynn Advisors Ltd. is investment advisor to Crown Associates
III, L.P., a Delaware limited partnership, and Crown-Glynn Associates, L.P., a
Delaware limited partnership. Crown Partners III, L.P. is general partner of
Crown Associates III, L.P. Crown-Glynn Partners, L.P. is general partner of
Crown-Glynn Associates, L.P.

            Crown Capital Management Ltd. is investment advisor to The Crown
Trust, a New York Trust.

            John W. Glynn, Jr., David F. Bellet and Chester A. Siuda are
Managing Directors of Crown Capital Management and Crown-Glynn Advisors. John W.
Glynn, Jr., is sole owner of Glynn Capital Management.

            John W. Glynn, Jr., David F. Bellet, Chester A. Siuda, Jeffrey S.
Hamren, Darryl Messinger, Steven Rosston, and Margaret S. McNamara are general
partners of Crown Partners III, L.P., a Delaware limited partnership and
Crown-Glynn Partners, L.P., a Delaware partnership.

      Crown Associates III, L.P. owns 95,000 shares of common stock, Crown-Glynn
      Associates, L.P. owns 43,000 shares of common stock, The Crown Trust owns
      264,400 shares of common stock, Glynn Capital Management owns 137,900
      shares of common stock, Glynn Emerging Opportunity Fund owns 59,200 shares
      of common stock, Glynn Investment owns 24,700 shares of common stock,
      Glynn Peterson owns 7,300 shares of common stock, Glynn Buckley owns
      19,200 shares of common stock, McMorgan Fund II owns 45,800 shares of
      common stock, GCM 401K owns 1,000 shares of common stock.


                               Page 23 of 28 pages
<PAGE>

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

            As to the following filing persons:

            Crown Associates III, L.P.
            Crown Partners III, L.P.
            Crown-Glynn Associates, L.P.
            Crown-Glynn Partners, L.P.
            Crown-Glynn Advisors Ltd.
            The Crown Trust
            Crown Capital Management Ltd.
            Chester A. Siuda
            Margaret S. McNamara
            Jeffrey S. Hamren

            67 East Park Place
            8th Floor
            Morristown, NJ  07960

            As to the following filing person:

            David F. Bellet
            60 East 42nd Street, Suite 3405
            New York, NY  10165

            As to the following filing persons:

            Glynn Buckley Investments, L.P.
            McMorgan Fund II, L.P.
            Glynn Capital Management
            Glynn Emerging Opportunity Fund
            Glynn Investment, L.P.
            Glynn Peterson
            Glynn Capital Management 401K
            John W. Glynn, Jr.
            Steven Rosston
            Daryl Messinger

            3000 Sand Hill Road
            Building 4, Suite 235
            Menlo Park, CA  94025

Item 2(c)   Citizenship: See cover pages

Item 2(d)   Title of Class of Securities: Common Stock, $.01 par value

Item 2(e)   CUSIP Number: 584050108


                               Page 24 of 28 pages
<PAGE>

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 Section
                  240.13d-1(b)(ii)(G),

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

            ----------
            * As to Crown-Glynn Advisors, Ltd., Crown Capital Management
              Ltd., and Glynn Capital Management

Item 4.     Ownership: See cover pages.

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:
                  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 purposes or
            effect.


                               Page 25 of 28 pages
<PAGE>

                               13-G SIGNATURE PAGE

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 19, 1998


CROWN-GLYNN ASSOCIATES, LIMITED             /s/ John W. Glynn, Jr.
PARTNERSHIP                                 ----------------------------------
By Crown-Glynn Partners, L.P. as                    John W. Glynn, Jr.*
         General Partner        

                                            /s/ Steven Rosston
                                            ----------------------------------
                                                    Steven Rosston


CROWN ASSOCIATES III, LIMITED               /s/ Daryl Messinger
PARTNERSHIP                                 ----------------------------------
By Crown Partners III, L.P. as                      Daryl Messinger
         General Partner      

                                            /s/ David F. Bellet
                                            ----------------------------------
                                                    David F. Bellet


CROWN PARTNERS III, L.P.                    /s/ Chester A. Siuda
                                            ----------------------------------
                                                    Chester A. Siuda

CROWN-GLYNN PARTNERS, L.P.
                                            /s/ Jeffrey S. Hamren
                                            ----------------------------------
                                                    Jeffrey S. Hamren


By /s/ David F. Bellet
   --------------------------
         General Partner                    /s/ Margaret S. McNamara
                                            ----------------------------------
                                                    Margaret S. McNamara

THE CROWN TRUST

CROWN CAPITAL MANAGEMENT LTD

CROWN-GLYNN ADVISORS, LTD.


By /s/ David F. Bellet
   --------------------------

- ----------
      * Individually and on behalf of Glynn Capital Management, Glynn
        Emerging Opportunity Fund, Glynn Investment L.P., GCM 401K, Glynn
        Buckley Investments, L.P., Glynn Peterson, McMorgan Fund II, L.P.


                               Page 26 of 28 pages
<PAGE>

                                Index to Exhibits

Joint Filing Agreement.................................................. Page 28


                               Page 27 of 28 pages



                             JOINT FILING AGREEMENT

      Each of the undersigned hereby agrees that the Schedule 13G filed on the
date hereof has been filed on behalf of each of the undersigned.

Dated:      February 19, 1998


CROWN-GLYNN ASSOCIATES, LIMITED             /s/ John W. Glynn, Jr.
PARTNERSHIP                                 ----------------------------------
By Crown-Glynn Partners, L.P. as                    John W. Glynn, Jr.*
         General Partner        

                                            /s/ Steven Rosston
                                            ----------------------------------
                                                    Steven Rosston


CROWN ASSOCIATES III, LIMITED               /s/ Daryl Messinger
PARTNERSHIP                                 ----------------------------------
By Crown Partners III, L.P. as                      Daryl Messinger
         General Partner      

                                            /s/ David F. Bellet
                                            ----------------------------------
                                                    David F. Bellet


CROWN PARTNERS III, L.P.                    /s/ Chester A. Siuda
                                            ----------------------------------
                                                    Chester A. Siuda

CROWN-GLYNN PARTNERS, L.P.
                                            /s/ Jeffrey S. Hamren
                                            ----------------------------------
                                                    Jeffrey S. Hamren

By /s/ David F. Bellet
   -----------------------
         General Partner                    /s/ Margaret S. McNamara
                                            ----------------------------------
                                                    Margaret S. McNamara

THE CROWN TRUST

CROWN CAPITAL MANAGEMENT LTD

CROWN-GLYNN ADVISORS, LTD.


By /s/ David F. Bellet
   -----------------------

- ----------
      * Individually and on behalf of Glynn Capital Management, Glynn
        Emerging Opportunity Fund, Glynn Investment L.P., GCM 401K, Glynn
        Buckley Investments, L.P., Glynn Peterson, McMorgan Fund II, L.P.


                               Page 28 of 28 pages



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