SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 1 OF 9 PAGES

                                  UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

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

                                Bioenvision, Inc.
                                (Name of Issuer)

                          Common Stock, $.001 par value
                         (Title of Class of Securities)

                                    09059N100
                                 (CUSIP Number)

                                December 31, 2004
             (Date of Event Which Requires Filing of this Statement)

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

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


*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
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).





SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 2 OF 9 PAGES

--------------------------------------------------------------------------------
      1     NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

                    Alexandra Global Master Fund Ltd.
                    (No I.R.S. ID Number)
--------------------------------------------------------------------------------
      2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (A)[ ]
                                                             (B)[ ] (See Item 6)

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

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

                 British Virgin Islands
--------------------------------------------------------------------------------
      NUMBER OF          5  SOLE VOTING POWER
       SHARES
    BENEFICIALLY                     -0-
      OWNED BY          --------------------------------------------------------
        EACH             6  SHARED VOTING POWER
      REPORTING
       PERSON               666 shares of Common Stock (See Item 4)
       WITH:            --------------------------------------------------------
                         7  SOLE DISPOSITIVE POWER

                                     -0-
                        --------------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------

      9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                 666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------

      10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
            (SEE INSTRUCTIONS)                                           [ ]

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

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

                 Less than 1/100 of 1% (See Item 4)
--------------------------------------------------------------------------------

      12    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

                 CO
--------------------------------------------------------------------------------




SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 3 OF 9 PAGES

--------------------------------------------------------------------------------
      1     NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

                 Alexandra Investment Management, LLC

                 13-4092583
--------------------------------------------------------------------------------

      2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (A)[ ]
                                                             (B)[ ] (See Item 6)

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

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

                 Delaware
--------------------------------------------------------------------------------
      NUMBER OF          5  SOLE VOTING POWER
       SHARES
    BENEFICIALLY                     -0-
      OWNED BY         ---------------------------------------------------------
        EACH             6  SHARED VOTING POWER
      REPORTING
       PERSON               666 shares of Common Stock (See Item 4)
       WITH:
                       ---------------------------------------------------------

                         7  SOLE DISPOSITIVE POWER

                                     -0-
                       ---------------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------
      9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                 666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------
      10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
            (SEE INSTRUCTIONS)                                               [ ]

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

                 Less than 1/100 of 1% (See Item 4)
--------------------------------------------------------------------------------
      12    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

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



SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 4 OF 9 PAGES

--------------------------------------------------------------------------------
      1     NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

                 Mikhail A. Filimonov

--------------------------------------------------------------------------------
      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.
--------------------------------------------------------------------------------
      NUMBER OF          5  SOLE VOTING POWER
       SHARES
    BENEFICIALLY                     -0-
      OWNED BY         ---------------------------------------------------------
        EACH             6  SHARED VOTING POWER
      REPORTING
       PERSON               666 shares of Common Stock (See Item 4)
        WITH:          ---------------------------------------------------------

                         7  SOLE DISPOSITIVE POWER

                                     -0-
                       ---------------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------
      9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                 666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------
      10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
            CERTAIN SHARES (SEE INSTRUCTIONS)                             [ ]

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

                 Less than 1/100 of 1% (See Item 4)
--------------------------------------------------------------------------------
      12    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

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



SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 5 OF 9 PAGES

--------------------------------------------------------------------------------
      1     NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

                 Dimitri Sogoloff
--------------------------------------------------------------------------------
      2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (A)[ ]
                                                             (B)[ ] (See Item 6)

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

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

                 U.S.
--------------------------------------------------------------------------------
      NUMBER OF          5  SOLE VOTING POWER
       SHARES
    BENEFICIALLY                     -0-
      OWNED BY          --------------------------------------------------------
        EACH             6  SHARED VOTING POWER
      REPORTING
       PERSON               666 shares of Common Stock (See Item 4)
       WITH:            --------------------------------------------------------
                         7  SOLE DISPOSITIVE POWER

                                     -0-
                        --------------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------
      9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                 666 shares of Common Stock (See Item 4)
--------------------------------------------------------------------------------
      10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
            CERTAIN SHARES (SEE INSTRUCTIONS)                         [ ]
--------------------------------------------------------------------------------
      11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                 Less than 1/100 of 1% (See Item 4)

--------------------------------------------------------------------------------
      12    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

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



SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 6 OF 9 PAGES

Item 1(a).        Name of Issuer:

                  Bioenvision, Inc.(the "Issuer")

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

                  509 Madison Avenue
                  Suite 404
                  New York, New York  10022

Item 2(a).        Names of Persons Filing:

                  Alexandra Global Master Fund Ltd. ("Alexandra")
                  Alexandra Investment Management, LLC ("Management")
                  Mikhail A. Filimonov ("Filimonov")
                  Dimitri Sogoloff ("Sogoloff")

Item 2(b).        Address of Principal Business Office:

                  Alexandra - Citco Building, Wickams Cay, P.O. Box 662,
                  Road Town, Tortola, British Virgin Islands
                  Management - 767 Third Avenue, 39th Floor, New York,
                  New York 10017
                  Filimonov - 767 Third Avenue, 39th Floor, New York,
                  New York 10017
                  Sogoloff - 767 Third Avenue, 39th Floor, New York,
                  New York 10017

Item 2(c).        Place of Organization or Citizenship:

                  Alexandra - British Virgin Islands
                  Management - Delaware
                  Filimonov - U.S.
                  Sogoloff - U.S.

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

                  Common Stock, $0.001 par value per share of the Issuer (the
                  "Common Stock")

Item 2(e).        CUSIP Number:

                  09059N100

Item 3.           This Schedule is filed pursuant to Rule 13d-1(c) by
                  Alexandra, Management, Filimonov and Sogoloff

Item 4.           Ownership:

                  (a)      Amount Beneficially Owned:

                           Alexandra: 666 shares*
                           Management: 666 shares*
                           Filimonov: 666 shares*
                           Sogoloff: 666 shares*

                  (b)      Percent of Class:

                           Alexandra: Less than 1/100 of 1%*
                           Management: Less than 1/100 of 1%*
                           Filimonov: Less than 1/100 of 1%*



SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 7 OF 9 PAGES

                           Sogoloff: Less than 1/100 of 1%*

                           (Based on 28,797,169 shares of Common Stock
                           outstanding, as of November 12, 2004,as stated by the
                           Issuer in its Quarterly Report on Form 10QSB for
                           the quarter ended September 30, 2004)

                  (c)      Number of Shares as to which the Person has:

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

                                                -0-

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

                                   666 shares of Common Stock*

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

                                                -0-

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

                                   666 shares of Common Stock*

*Management serves as investment advisor to Alexandra. By reason of such
relationship, Management may be deemed to share voting and dispositive power
over the shares of Common Stock owned by Alexandra. Management disclaims
beneficial ownership of the shares of Common Stock listed as beneficially owned
by Alexandra or any other person reporting on this Schedule.

Filimonov serves as the Chairman, the Chief Executive Officer, a Managing Member
and the Chief Investment Officer of Management. Sogoloff serves as the
President, a Managing Member and the Chief Information Officer of Management. By
reason of such relationships, each of Filimonov and Sogoloff may be deemed to
share voting and dispositive power over the shares of Common Stock listed as
beneficially owned by Management. Filimonov and Sogoloff each disclaims
beneficial ownership of the shares of Common Stock listed as beneficially owned
by Management or any other person reporting on this Schedule.

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 each of the Reporting Persons ceased to be the
                  beneficial owner of more than five percent of the class of
                  securities, check the following [X]

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:



SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 8 OF 9 PAGES

                  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 each signatory certifies that, to the best of its knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.

Exhibits:

      Exhibit I: Joint Filing Agreement, dated as of March 8, 2004, by and among
Alexandra, Management, Filimonov and Sogoloff (incorporated herein by reference
to the exhibit with the same number filed with Schedule 13G by the persons
reporting on this Amendment No. 1).



SCHEDULE 13G
CUSIP NO. 09059N100                                            PAGE 9 OF 9 PAGES

                                    SIGNATURE

      By signing below each signatory certifies that, to the best of its
knowledge and belief, the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing or influencing the
control of the issuer of the securities and were not acquired and are not held
in connection with or as a participant in any transaction having that purpose or
effect.

Date: February 14, 2005    ALEXANDRA GLOBAL MASTER FUND LTD.

                           By: ALEXANDRA INVESTMENT MANAGEMENT, LLC,
                               Investment Advisor

                               By: /s/ Mikhail A. Filimonov
                               ----------------------------
                               Mikhail A. Filimonov
                               Title: Managing Member

                           ALEXANDRA INVESTMENT MANAGEMENT, LLC

                           By: /s/ Mikhail A. Filimonov
                           ----------------------------
                           Mikhail A. Filimonov
                           Title: Managing Member

                           /s/ Mikhail A. Filimonov
                           ----------------------------
                           Mikhail A. Filimonov

                           /s/ Dimitri Sogoloff
                           ----------------------------
                           Dimitri Sogoloff