November 6, 2000
VIA ELECTRONIC FILING
Securities and Exchange Commission
450 Fifth Street, N.W.
Judiciary Plaza
Washington, D.C. 20549
Attention: Division of Investment Management
RE: Mercury U.S. Large Cap Fund
Post-Effective Amendment No. 2 to
the Registration Statement on
Form N-1A (Securities Act File
No. 333-66481, Investment Company
Act No. 811-08797)
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act
of 1933, as amended (the "1933 Act"), Mercury U.S.
Large Cap Fund (the "Fund") hereby certifies that:
(1) the form of Prospectus and Statement of
Additional Information that would have been filed
pursuant to Rule 497(c) under the 1933 Act would
not have differed from that contained in
Post-Effective Amendment No. 2 to the Fund's
Registration Statement on Form N-1A: and
(2) the text of Post-Effective Amendment No. 2
to the Fund's Registration Statement on Form N-1A
was filed electronically with the Securities and
Exchange Commission on September 12, 2000.
Very truly yours,
Mercury U.S. Large Cap Fund
______________________
Robert E. Putney, III