ONCOR INC

Q: Jun 30 1999

Q: Mar 31 1999

FY: Dec 31 1998

FY: Dec 31 1998

Q: Sep 30 1998

Q: Jun 30 1998

Q: Mar 31 1998

FY: Dec 31 1997

Q: Mar 31 1998

FY: Mar 27 1998

Q: Sep 30 1997

Q: Jun 30 1997

Q: Mar 31 1997

FY: Mar 31 1997

Q: Nov 13 1996

Q: Aug 13 1996

Q: May 15 1996

FY: Apr 1 1996

Q: Sep 30 1995

Q: Aug 14 1995

3,7

5,7

5

5

5

5,7

5

1

1

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

PRESIDENT & FELLOWS OF HARVARD COLLEGE

PRESIDENT & FELLOWS OF HARVARD COLLEGE

CLOVER CAPITAL MANAGEMENT INC /NY/

MELLON BANK CORP

PAPPAJOHN JOHN

CLOVER CAPITAL MANAGEMENT INC /NY/

MELLON BANK CORP

MELLON BANK CORP

MORGAN J P & CO INC

MELLON BANK CORP

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