HANCOCK JOHN SERIES TRUST, 497J, 1999-03-02

HANCOCK JOHN SERIES TRUST
497J, 1999-03-02

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March 2, 1999


U.S. Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, N.W.
Washington, D.C.  20549

Re:      John Hancock Series Trust
           John Hancock Global Technology Fund
           John Hancock Emerging Growth Fund
         File No.  811-3392 and 2-75807


         CERTIFICATE UNDER RULE 497(j)

Gentlemen:

Pursuant to 497(j) of Regulation C, under the Securities Act of 1933, in lieu of
filing under paragraph (b) or (c) of Rule 497, I hereby certify that the form of
Prospectuses  and Statements of Additional  Information  dated March 1, 1999 for
the  above-captioned  registrants that would have been filed under paragraph (b)
or (c) of Rule  497(j) does not differ  from that  contained  in the most recent
registration  statement  amendment  and the  text of  most  recent  registration
statement has been filed electronically.

Sincerely,


/s/Marilyn Lutzer
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Marilyn Lutzer