SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934
                               (Amendment No. 9)*


                            Colgate-Palmolive Company
 -------------------------------------------------------------------------------
                                (NAME OF ISSUER)


                                  Common Stock
 -------------------------------------------------------------------------------
                         (TITLE OF CLASS OF SECURITIES)


                                   194-162-103
 -------------------------------------------------------------------------------
                                  CUSIP NUMBER


                                December 31, 1998
 -------------------------------------------------------------------------------
                                  DATE OF EVENT



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

         /X/      Rule 13d-1(b)
         / /      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 the
disclosures provided in a prior cover page.

The information required in 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).






                                Page 1 of 7 Pages





CUSIP NO. 194-162-103

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

             LASALLE NATIONAL BANK (not in its individual or corporate  capacity
             but  solely as trustee  (the  "Trustee")  of the  Colgate-Palmolive
             Company   Employee  Stock   Ownership   Trust  (the  "Trust")  (Tax
             Identification No. 36-1521370)

2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

         Not applicable.
                  (A)
                  (B)

3.       SEC USE ONLY

4.       CITIZENSHIP OR PLACE OF ORGANIZATION

             LaSalle National Bank is a national banking  association  organized
             under the laws of the United States.

       NUMBER OF           5.     SOLE VOTING POWER

        SHARES                              0

     BENEFICIALLY          6.     SHARED VOTING POWER

       OWNED BY                             24,312,014 (as of 12/31/98)

         EACH              7.     SOLE DISPOSITIVE POWER

       REPORTING                            0

        PERSON             8.     SHARED DISPOSITIVE POWER

         WITH                               24,312,014 (as of 12/31/98)

9.       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                                            24,312,014 (as of 12/31/98)

10.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW(9) EXCLUDES CERTAIN
         SHARES

         Not applicable.

11.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

         7.12%

12.      TYPE OF REPORTING PERSON
                  BK, EP

                                Page 2 of 7 Pages






The filing of this Statement on Schedule 13G is made by LaSalle National Bank as
trustee (the "Trustee") for the Colgate-Palmolive Employee Stock Ownership Trust
and Plan (the "Trust")  voluntarily and does not  constitute,  and should not be
construed  as, an  admission  that either the Trust or the Trustee  beneficially
owns any  securities  covered  by this  Statement  or is  required  to file this
Statement for the Trust and the Trustee.  In this connection,  the Trust and the
Trustee  disclaim  beneficial  ownership  of  the  securities  covered  by  this
Statement.

Item 1(a)         NAME OF ISSUER:

                  The  name of the  issuer  is  Colgate-Palmolive  Company  (the
                  "Issuer").

Item 1(b)         ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

                  The address of the principal  executive  offices of the Issuer
                  is 300 Park Avenue, New York, New York 10022- 7499.


Item 2(a)         NAME OF PERSON FILING:

                  The person filing this Statement is the Trust and the Trustee.

Item 2(b)         ADDRESS OF PRINCIPAL BUSINESS OFFICE:

                  The address of the Trust and its  principal  place of business
                  is c/o  LaSalle  National  Bank,  135  South  LaSalle  Street,
                  Chicago,  Illinois  60603.  The  address of the Trustee is 135
                  South LaSalle Street, Chicago,
                  Illinois 60603.

Item 2(c)         CITIZENSHIP:

                  LaSalle  National  Bank  is  a  national  banking  association
                  organized under the laws of the United States.


                                Page 3 of 7 Pages





Item 2(d)         TITLE OF CLASS OF SECURITIES:

                  The class of equity securities to which this Statement relates
                  is the Common Stock of the Issuer.

Item 2(d)         CUSIP NUMBER:

                  The CUSIP number of the Common Shares is 194-162-103.

Item 3            THE PERSON FILING THIS STATEMENT IS A:

                  [b] [x] Bank as defined in Section 3(a)(6) of the Act.

                  [f] [x] Employee  Benefit Plan,  Pension Fund which is subject
                  to the provisions of the Employee  Retirement  Income Security
                  Act of 1974 ("ERISA") or Endowment
                  Fund.

Item 4            OWNERSHIP

                  (a)      Amount Beneficially Owned:  24,312,014(1)

                  (b)      Percent of Class:  7.12% (as of 12/31/98)

                  (c) Number of shares as to which such person has:

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

                                                     0

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

                                                  24,312,014(2)
- --------
(1) Includes 4,063,358 unallocated shares of Convertible Preferred Stock, Series
B which are  convertible  into Common  Stock on a  four-to-one  basis.  Excludes
1,674,868 Shares of Common Stock which are allocated to accounts of participants
("ESOP  Participants")  of the  Colgate-Palmolive  Employee Stock Ownership Plan
(the "ESOP") and 1,543,128 shares of Convertible Preferred Stock, Series B which
are allocated to accounts of the ESOP Participants.

(2) Participants in the Trust have the right to direct the Trustee in the voting
of Common Stock and Convertible  Preferred  Stock,  Series B, allocated to their
accounts on all matters required to be submitted to a vote of  shareholders.  If
no directions are received as to the voting of allocated  shares of Common Stock
and Convertible  Preferred Stock, Series B, the Trustee votes such shares in the
same  proportion  as  the  allocated  shares  for  which  the  Trustee  receives
directions from  participants.  The  unallocated  shares of Common Stock and the
Convertible  Preferred  Stock,  Series B are  voted by the  Trustee  in the same
proportion as the  allocated  shares for which the Trustee  receives  directions
from  participants.  In the event of a tender offer, the  participants  have the
right to direct  the  Trustee as to the  manner in which to  respond.  Allocated
shares of Common Stock and Convertible  Preferred Stock,  Series B, for which no
directions  are received shall not be tendered by the Trustee.  The  unallocated
shares of Common Stock and Convertible  Preferred Stock,  Series B, are tendered
in the  same  proportion  as the  allocated  shares  for  which  directions  are
received. 22,425,944 unallocated shares of Common Stock (consisting of 4,063,358
shares of  Convertible  Preferred  Stock,  Series B which are  convertible  into
common stock on a four-to-one  basis) are held by the Trustee in its capacity as
Trustee of the Trust.  This  statement  includes  211,202 shares of Common Stock
which  are  held by the  Trustee  as  trustee  custodian  for  certain  accounts
unrelated to the Issuer or the Trust.  The filing of this Schedule 13G shall not
be construed as an admission  that the Reporting  Person is, for the purposes of
Section  1(d) and  13(g)  of the Act,  the  beneficial  owner of any  securities
covered by the statement.

                                Page 4 of 7 Pages






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

                                                      0

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

                                                 24,312,014(2)

Item 5            OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

                  Not applicable.

Item 6            OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF
                  ANOTHER PERSON:

                  Subject to the terms and  conditions of the ESOP Trust and the
                  related  plan,  ESOP  Participants  are  entitled  to  receive
                  certain  distributions  or  assets  held  by the  Trust.  Such
                  distributions  may include  proceeds from dividends on, or the
                  sale of,  shares  of  Common  Stock or  Convertible  Preferred
                  Stock, Series B reflected in this Schedule 13G. The respective
                  participants'  accounts  disclosed  under  Item 4(a) above may
                  have the right to receive, or direct the receipt of, dividends
                  on, or proceeds from the sale of, the 211,202 shares of Common
                  Stock disclosed under such Item 4(a).

                                Page 5 of 7 Pages






Item 7            IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY
                  WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE
                  PARENT HOLDING COMPANY:

                  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 I certify  that, to the best of my knowledge
and  belief,  the  securities  referred to above were  acquired in the  ordinary
course of business  and were not acquired for the purpose of and do not have the
effect of changing or influencing  the control of the issuer of such  securities
and were not acquired in connection  with or as a participant in any transaction
having such purposes or effect.


                                Page 6 of 7 Pages





                                    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.

                                             February 11, 1999
                                                      Date



                                             LASALLE NATIONAL BANK. (not in its
                                             individual or corporate capacity
                                             but solely as Trustee)


                                                         Signature
                                             E.Vaughn Gordy
                                             First Vice President
                                                 Name/Title


                                Page 7 of 7 Pages