U S VENTURE PARTNERS III
SC 13G/A, 1998-02-11
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  Schedule 13G
                                 (Rule 13d-102)

             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (Amendment No. 1)*



                           Strategic Diagnostics Inc.
- --------------------------------------------------------------------------------
                                (Name of Issuer)


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


                                     2935981
- --------------------------------------------------------------------------------
                                 (CUSIP Number)




*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
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).

                         (Continued on following pages)








                               Page 1 of 16 Pages
                       Exhibit Index Contained on Page 15


<PAGE>



<TABLE>
<CAPTION>
<S>                                                             <C>          <C>

- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 2 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     U.S. Venture Partners III, A California Limited Partnership ("USVP III")
                     Tax ID Number:    94-3038926
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     California
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             See response to row 5.
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED    DISPOSITIVE   POWER
                                             See response to row 7.
- ----------- --------------------------------------------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<CAPTION>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 3 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     Second Ventures Limited Partnership ("SVLP")
                     Tax ID Number:    94-3060758
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     Cayman Islands
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             See response to row 5.
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED    DISPOSITIVE   POWER   
                                             See response to row 7.
- ----------- --------------------------------------------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                     [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!

</FN>
</TABLE>

<PAGE>


<TABLE>
<CAPTION>
<S>                                                             <C>          <C>

- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 4 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     USV Entrepreneur Partners, A California Limited Partnership ("USVEP")
                     Tax ID Number:    94-3050240
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     California
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             See response to row 5.
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED    DISPOSITIVE   POWER
                                             See response to row 7.
- ----------- --------------------------------------------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>



<TABLE>
<CAPTION>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 5 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     BHMS Partners III, A California Limited Partnership ("BHMS III")
                     Tax ID Number:    94-3038927
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     California
- ----------------------------------- -------- -----------------------------------------------------------------------
         NUMBER OF SHARES           5        SOLE VOTING POWER
           BENEFICIALLY                      0 shares
  OWNED BY EACH REPORTING PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED DISPOSITIVE POWER
                                             0 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!

</FN>
</TABLE>

<PAGE>


<TABLE>
<CAPTION>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 6 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     William K. Bowes, Jr. ("Bowes")
                     Tax ID Number:    ###-##-####
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED DISPOSITIVE POWER
                                             0 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>



<TABLE>
<CAPTION>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 7 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     Irwin Federman ("Federman")
                     Tax ID Number:    ###-##-####
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED DISPOSITIVE POWER
                                             0 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<CAPTION>
<S>                                                             <C>          <C>

- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 8 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     Steven M. Krausz ("Krausz")
                     Tax ID Number:    ###-##-####
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED DISPOSITIVE POWER
                                             0 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<CAPTION>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                   Page 9 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     Dale J. Vogel ("Vogel")
                     Tax ID Number:    ###-##-####
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED DISPOSITIVE POWER
                                             0 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!

</FN>
</TABLE>

<PAGE>



<TABLE>
<CAPTION>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 2935981                                               13 G                  Page 10 of 16 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------
1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

                     Phillip M. Young ("Young")
                     Tax ID Number:    ###-##-####
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a)  [ ]            (b)   [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION

                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------
            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------
                                    6        SHARED VOTING POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------
                                    8        SHARED DISPOSITIVE POWER
                                             0 shares
- ----------- --------------------------------------------------------------------------------------------------------
9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       0
- ----------- --------------------------------------------------------------------------------------------------------
10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*                                                                [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.0%
- ----------- --------------------------------------------------------------------------------------------------------
12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>

                                        * SEE INSTRUCTIONS BEFORE FILLING OUT!

</FN>
</TABLE>

<PAGE>


                                                                   Page 11 of 16

ITEM 3.           This  statement  amends the Statement on Schedule 13G filed by
                  U.S.  Venture Partners III, A California  Limited  Partnership
                  ("USVP III"),  Second Ventures Limited  Partnership  ("SVLP"),
                  USV Entrepreneur  Partners,  A California Limited  Partnership
                  ("USVEP"), BHMS Partners III, A California Limited Partnership
                  ("BHMS III"), William K. Bowes, Jr. ("Bowes"),  Irwin Federman
                  ("Federman"),  Steven  M.  Krausz  ("Krausz"),  Dale J.  Vogel
                  ("Vogel"),   and  Phillip  M.  Young  ("Young")  (collectively
                  referred to as the "Reporting  Persons").  Only those Items as
                  to which there has been a change of  information  are included
                  in this Amendment.

ITEM 4.           OWNERSHIP:

                  The following information with respect to the ownership of the
                  Common  Stock  of  the  issuer  by  the  persons  filing  this
                  Statement is provided as of December 31, 1997:

                    (a)      Amount beneficially owned:

                             See Row 9 of cover page for each Reporting Person.

                    (b)      Percent of Class:

                             See Row 11 of cover page for each Reporting Person.

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

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

                                   See Row 5 of cover  page  for each  Reporting
                                   Person.

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

                                   See Row 6 of cover  page  for each  Reporting
                                   Person.

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

                                   See Row 7 of cover  page  for each  Reporting
                                   Person.

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

                                   See Row 8 of cover  page  for each  Reporting
                                   Person.




<PAGE>


                                                                   Page 12 of 16



ITEM 5.           OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

                  If this statement is being filed to report the fact that as of
                  the date  hereof  the  reporting  person  has ceased to be the
                  beneficial  owner of more  than five  percent  of the class of
                  securities, check the following:     [X]



<PAGE>


                                                                   Page 13 of 16
<TABLE>

                                   SIGNATURES

                  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.

<CAPTION>

Dated:  February 6, 1998
<S>                                                          <C>

U.S. Venture Partners III,                                   /s/ Michael P. Maher
A California Limited Partnership                             --------------------------------------------
By BHMS III, A California Limited Partnership                Signature
Its General Partner                                          

                                                             Michael P. Maher
                                                             Chief Financial Officer/Attorney-In-Fact

Second Ventures Limited Partnership                          /s/ Michael P. Maher
By BHMS III, A California Limited Partnership                --------------------------------------------   
Its General Partner                                          Signature                                      
                                                             

                                                             Michael P. Maher
                                                             Chief Financial Officer/Attorney-In-Fact

U.S.V. Entrepreneur Partners,                                /s/ Michael P. Maher
A California Limited Partnership                             --------------------------------------------   
By BHMS III, A California Limited Partnership                Signature                                      
Its General Partner                                          

                                                             Michael P. Maher
                                                             Chief Financial Officer/Attorney-In-Fact


BHMS Partners III,                                           /s/ Michael P. Maher
A California Limited Partnership                             --------------------------------------------   
                                                             Signature                                      


                                                             Michael P. Maher
                                                             Chief Financial Officer/Attorney-In-Fact


William K. Bowes                                             /s/ Michael P. Maher
                                                             --------------------------------------------
                                                             Michael P. Maher
                                                             Attorney-In-Fact


<PAGE>


                                                                                                      Page 14 of 16



Irwin Federman                                               /s/ Michael P. Maher
                                                             --------------------------------------------
                                                             Michael P. Maher
                                                             Attorney-In-Fact


Steven M. Krausz                                             /s/ Michael P. Maher
                                                             --------------------------------------------
                                                             Michael P. Maher
                                                             Attorney-In-Fact


Dale J. Vogel                                               /s/ Michael P. Maher
                                                            --------------------------------------------
                                                            Michael P. Maher
                                                            Attorney-In-Fact


Phillip M. Young                                            /s/ Michael P. Maher
                                                             --------------------------------------------
                                                            Michael P. Maher
                                                            Attorney-In-Fact



</TABLE>


<PAGE>


                                                                   Page 15 of 16



                                  EXHIBIT INDEX


                                                                     Found on
                                                                   Sequentially
Exhibit                                                            Numbered Page

Exhibit A:  Reference to Michael P. Maher as Attorney-in-Fact           16








<PAGE>




                                                             Page 16 of 16 Pages


                                    EXHIBIT A

                 REFERENCE TO MICHAEL MAHER AS ATTORNEY-IN-FACT



                  Michael  P.  Maher  has  signed  the  enclosed   documents  as
Attorney-In-Fact.  Note that copies of the  applicable  Power of  Attorneys  are
already on file with the appropriate agencies.




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