-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CHpX01zVR30Fz35V7AqR89EfA2/1a1v2XmVL2wxWg51RjK/ybSB9iTaO1AeHRkOW
 ZoSTsUDMo0cGxIP3eFOW4g==

<SEC-DOCUMENT>0000950134-01-001151.txt : 20010214
<SEC-HEADER>0000950134-01-001151.hdr.sgml : 20010214
ACCESSION NUMBER:		0000950134-01-001151
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20010213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KIRBY CORP
		CENTRAL INDEX KEY:			0000056047
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				741884980
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		
		SEC FILE NUMBER:	005-06067
		FILM NUMBER:		1536222

	BUSINESS ADDRESS:	
		STREET 1:		55 WAUGH DRIVE SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77385
		BUSINESS PHONE:		7134351000

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 1745
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77251

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIRBY EXPLORATION CO INC
		DATE OF NAME CHANGE:	19900510

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KING LUTHER CAPITAL MANAGEMENT CORP
		CENTRAL INDEX KEY:			0000310051
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				75163030
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		8173323235

	MAIL ADDRESS:	
		STREET 1:		301 COMMERCE SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d84129esc13ga.txt
<DESCRIPTION>AMENDMENT NO. 9 TO SCHEDULE 13G
<TEXT>

<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G




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

                                Kirby Corporation
           -----------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
           -----------------------------------------------------------
                         (Title of Class of Securities)

                                    497266106
           -----------------------------------------------------------
                                 (CUSIP Number)


     Check the following box if a fee is being paid with this statement [ ].


- -----------
*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>   2


CUSIP No. 497266106                   13G                      Page 2 of 4 Pages


<TABLE>
<S>      <C>                                                                                   <C>
- -------------------------------------------------------------------------------------------------------
1.       NAME OF REPORTING PERSON(S)
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S)

         Luther King Capital Management Corporation         I.R.S. Identification No.
         301 Commerce Street, Suite 1600                    75-0163033
         Fort Worth, TX 76102

- -------------------------------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
         Shares are also owned in an account for the benefit of children of a Luther King      (a)  [ ]
         Capital Management employee and a Luther King Capital Management employee.            (b)  [x]

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


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

         Fort Worth, Texas

- -------------------------------------------------------------------------------------------------------
NUMBER OF                           5.      SOLE VOTING POWER
SHARES                                      1,614,700 Luther King Capital Management
BENEFICIALLY                                    1,150 Bryan King
OWNED BY                                        1,150 Mason King
EACH                                -------------------------------------------------------------------
REPORTING                           6.      SHARED VOTING POWER
PERSON
WITH                                -------------------------------------------------------------------
                                    7.      SOLE DISPOSITIVE POWER
                                            1,614,700 Luther King Capital Management
                                                1,150 Bryan King
                                                1,150 Mason King
                                    -------------------------------------------------------------------
                                    8.      SHARED DISPOSITIVE POWER

- -------------------------------------------------------------------------------------------------------
9.       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,617,000

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

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

         6.6%

- -------------------------------------------------------------------------------------------------------
12.      TYPE OF REPORTING PERSON*

         IA

- -------------------------------------------------------------------------------------------------------
</TABLE>


<PAGE>   3


CUSIP No. 497266106                   13G                      Page 3 of 4 Pages


- --------------------------------------------------------------------------------
Item 1.  (a) Name of Issuer:
             Kirby Corporation

             -------------------------------------------------------------------
         (b) Address of Issuer's Principal Executive Offices:
             55 Waugh Drive, #1000
             Houston, TX 77007
- --------------------------------------------------------------------------------
Item 2.  (a) Name of Person Filing:
             Luther King Capital Management Corporation

             -------------------------------------------------------------------
         (b) Address of Principal Business Office, or if None, Residence:
             301 Commerce Street, Suite 1600
             Fort Worth, TX 76102

             -------------------------------------------------------------------
         (c) Citizenship:
             Fort Worth, Texas USA

             -------------------------------------------------------------------
         (d) Title of Class of Securities:
             Common Stock

             -------------------------------------------------------------------
         (e) CUSIP Number:
             497266106
- --------------------------------------------------------------------------------
Item 3.  Luther King is an Investment Adviser registered under Section 203 of
         the Investment Advisers Act of 1940.

- --------------------------------------------------------------------------------
Item 4.  (a) Amount Beneficially Owned:
             1,617,000

             -------------------------------------------------------------------
         (b) Percent of Class:
             6.6%

             -------------------------------------------------------------------
         (c) Number of shares as to which such person has:
             (i)   sole power to vote or to direct the vote
                   1,617,000
             (ii)  shared power to vote or to direct the vote

             (iii) sole power to dispose or to direct the disposition of
                   1,617,000
             (iv)  shared power to dispose or to direct the disposition of

- --------------------------------------------------------------------------------
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 the reporting person has ceased to be the beneficial owner of
         more than five percent of the class of securities, check the following:
         [ ]

- --------------------------------------------------------------------------------
Item 6.  Ownership of More than Five Percent on Behalf of Another Person



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


<PAGE>   4



CUSIP No. 497266106                   13G                      Page 4 of 4 Pages

<TABLE>
<S>        <C>
- --------------------------------------------------------------------------------
Item 7.    Identification and Classification of the Subsidiary which Acquired the
           Security being Reported on by the Parent Holding Company


- --------------------------------------------------------------------------------
Item 8.    Identification and Classification of Members of the Group



- --------------------------------------------------------------------------------
Item 9.    Notice of Dissolution of Group.


- --------------------------------------------------------------------------------
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 purpose or effect.


            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.

Date:       February 9, 2001

Signature:  /s/ J. Luther King, Jr.
            --------------------------------

Name/Title: President
</TABLE>

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
