UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                 SCHEDULE 13D/A

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)*

                         BOSTON SCIENTIFIC CORPORATION
                                (Name of Issuer)

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

                                  101137 10 7
                                 (CUSIP number)

           Lawrence J. Knopf, Esq., c/o Boston Scientific Corporation
                 One Boston Scientific Place, Natick, MA 01760
          (Name, Address and Telephone Number of Person Authorized to
                      Receive Notices and Communications)


                                  July 1, 1997
            (Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].

Note:  Six  copies  of  this  statement,  including  all  exhibits,
should be filed with the  Commission.  See Rule  13d-1(a) for other
parties to whom copies are to be sent.

                         (Continued on following pages)

                              (Page 1 of 6 Pages)






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

*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 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).






                                 SCHEDULE 13D/A

CUSIP No.
101137 107

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

        Promerica, L.P.
- -------------------------------------------------------------------------------
 2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*   (a) [ ]
                                                            (b) [ ]
- -------------------------------------------------------------------------------
 3      SEC USE ONLY
- -------------------------------------------------------------------------------
 4      SOURCE OF FUNDS*

        Not applicable.
- -------------------------------------------------------------------------------
 5      CHECK BOX IF DISCLOSURE OF LEGAL  PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
                                                                [ ]
- ------------------------------------------------------------------------------- 
 6      CITIZENSHIP OR PLACE OF ORGANIZATION

        The State of Delaware
- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------
  NUMBER OF     7  SOLE VOTING POWER

   SHARES          26,058,670
               ----------------------------------------------------------------
                8  SHARED VOTING POWER
BENEFICIALLY
                   0
               ----------------------------------------------------------------
  OWNED BY      9  SOLE DISPOSITIVE POWER

    EACH           26,058,670
               ----------------------------------------------------------------
 REPORTING      10 SHARED DISPOSITIVE POWER

   PERSON          0
- -------------------------------------------------------------------------------
  11     AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY EACH
         REPORTING PERSON

         26,058,670
- -------------------------------------------------------------------------------
  12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW
         (11) EXCLUDES CERTAIN SHARES                           [ ]
- -------------------------------------------------------------------------------
  13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         13.4%
- -------------------------------------------------------------------------------
  14     TYPE OF REPORTING PERSON *

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






ITEM 1.  SECURITY AND ISSUER.

      This statement relates to the Common Stock, $.01 par value per share (the
"Common Stock"), of Boston Scientific Corporation, a Delaware corporation (the
"Company"). The principal executive office of the Company is located at One
Boston Scientific Place, Natick, MA 01760.

ITEM 2.  IDENTITY AND BACKGROUND.

      This statement is filed by Promerica, L.P. (the "Reporting Person").

      The Reporting Person is a limited partnership organized under the laws of
the State of Delaware. The principal business of the Reporting Person is
investing in domestic and foreign securities. The address of the principal
office of the Reporting Person is c/o Scott M. Schooley, Bingham Dana LLP, 100
Pearl Street, Hartford, Connecticut 06103. During the last five years, the
Reporting Person has not been convicted in a criminal proceeding (excluding
traffic violations or similar misdemeanors). During the last five years, the
Reporting Person has not been a party to a civil proceeding of a judicial or
administrative body of competent jurisdiction and as a result of such
proceeding been subject to a judgment, decree or final order enjoining future
violations of, or prohibiting or mandating activities subject to, federal or
state securities laws or finding any violation with respect to such laws.

      The general partner of the Reporting Person is Peter M. Nicholas (the
"General Partner"). The General Partner's business address is c/o Lawrence J.
Knopf, Esq., Boston Scientific Corporation, One Boston Scientific Place,
Natick, MA 01760. The principal occupation of the General Partner is Chairman,
Founder and Chief Executive Officer of the Company. During the last five years,
the General Partner has not been convicted in a criminal proceeding (excluding
traffic violations or similar misdemeanors). During the last five years, the
General Partner has not been a party to a civil proceeding of a judicial or
administrative body of competent jurisdiction and as a result of such
proceeding been subject to a judgment, decree or final order enjoining future
violations of, or prohibiting or mandating activities subject to, federal or
state securities laws or finding any violation with respect to such laws. The
General Partner is a citizen of the United States of America.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

      On July 1, 1997, The Peter M. Nicholas 1979 Irrevocable Family Trust, a
trust for the benefit of the General Partner's children, transferred 9,518,460
shares of Common Stock to the Reporting Person in exchange for the issuance of
additional partnership interests in the Reporting Person.

ITEM 4.  PURPOSE OF TRANSACTION.

      The transaction described in Item 3 was consummated in order to
consolidate certain assets of the General Partner's family and entities
associated with the General Partner's family (some of which may no longer be
subject to reporting obligations under Section 13 of the Securities Exchange
Act of 1934) in connection with family business ventures and opportunities.

ITEM 5.  INTEREST IN SECURITIES OF ISSUER.

      The Reporting Person beneficially owns 26,058,670 shares of Common Stock,
comprising 13.4% of the aggregate number of shares of Common Stock outstanding
as of February 1, 1998.

      The General Partner beneficially owns 27,330,605 shares of Common Stock
(including the shares held by the Reporting Person which may be deemed to be
beneficially owned by the General Partner), comprising 14.0% of the aggregate
number of shares of Common Stock outstanding as of February 1, 1998. Of these



shares, 150,000 shares represent shares subject to exercisable options to
acquire Common Stock.

(b)

Number of shares as to which the Reporting Person has:

      (i)  Sole power to vote or direct the vote:  26,058,670

      (ii) Shared power to vote or direct the vote:  0

      (iii)Sole power to dispose or direct the disposition of:  26,058,670

      (iv) Shared power to dispose or direct the disposition of:  0

Number of shares as to which the General Partner has:

      (i)  Sole power to vote or direct the vote:  27,330,605(1)(2)

      (ii) Shared power to vote or direct the vote:  0

      (iii)Sole power to dispose or direct the disposition of: 27,330,605(1)(2)

      (iv) Shared power to dispose or direct the disposition of:  0

(1) 150,000 of such shares represent shares subject to exercisable options to
acquire Common Stock. In addition, 6,489,097 shares are held by a trust for the
benefit of the General Partner's children and grandchildren; 85,477 shares are
held by a trust for the benefit of the General Partner's wife, children and
grandchildren, and 1 share is held by a child of the General Partner. The
General Partner disclaims beneficial ownership of these 6,574,575 shares.

(2) The Reporting Person owns 26,058,670 shares of stock. The General Partner
may be deemed to be the beneficial owner of these shares.

ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT 
         TO SECURITIES OF THE ISSUER.

      Certain shares of Common Stock held by the Reporting Person are subject,
as security for the borrower's obligations thereunder, to standard borrowing
agreements with Fleet Bank of Massachusetts, N.A., Citizens Bank of
Massachusetts, and NationsBank of Texas, N.A. Certain shares of Common Stock
held by the General Partner serve as collateral for a standard recourse loan
with UST Securities Corporation. In addition, certain shares of Common Stock
held by a trust for the benefit of the General Partner's children and
grandchildren serve as collateral for a standard recourse loan with UST
Securities Corporation and a standard recourse loan with NationsBank of Texas,
N.A.






ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS.

      None.


                               * * *

      This statement speaks as of its date, and no inference should be drawn
that no change has occurred in the facts set forth herein after the date
hereof.








                                   SIGNATURE

      After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.




Dated:  March 5, 1998                PROMERICA, L.P.



                                          /s/  Peter M. Nicholas
                                          ______________________

                                          Name:  Peter M. Nicholas
                                          Title: General Partner