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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0000010742-99-000024.txt : 19990126
<SEC-HEADER>0000010742-99-000024.hdr.sgml : 19990126
ACCESSION NUMBER:		0000010742-99-000024
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		19990125

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MESA ROYALTY TRUST/TX
		CENTRAL INDEX KEY:			0000313364
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL ROYALTY TRADERS [6792]
		IRS NUMBER:				746284806
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		
		SEC FILE NUMBER:	005-30270
		FILM NUMBER:		99511684

	BUSINESS ADDRESS:	
		STREET 1:		712 MAIN STREET
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77210
		BUSINESS PHONE:		7132165100

	MAIL ADDRESS:	
		STREET 1:		P O BOX 4717
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77210

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BECK MACK & OLIVER LLC
		CENTRAL INDEX KEY:			0000010742
		STANDARD INDUSTRIAL CLASSIFICATION:	 []
		IRS NUMBER:				130477010
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		330 MADISON AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2126612640

	MAIL ADDRESS:	
		STREET 1:		330 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<TEXT>

                                                
                                                          
                                                 
                                                                               
                                                                                
                                  UNITED STATES                                 
                       SECURITIES AND EXCHANGE COMMISSION                       
                             Washington, D.C. 20549                             
                                                                                
                                  SCHEDULE 13G                                  
                                                                                
                                                                                
                                                                                
                    Under the Securities Exchange Act of 1934                   
                                                                                
                                                                                
                                                                                
                               Mesa Royalty Trust                          
                                (Name of Issuer)                                
                                                                                
                            Units of Beneficial Interest                        
                         (Title of Class of Securities)                         
                                                                                
                                    590660106                                   
                                 (CUSIP Number)                                 
                                                                                
                                                                                
                                                                                
Check the following box if a fee is being paid with this statement / /. (A fee  
is not required only if the filing person: (1) has a previous statemen on file 
reporting beneficial ownership of more than five percent of the class of        
securities described in Item 1; and (2) has filed no amendment subsequent       
thereto reporting beneficial ownership of five percent or less of such class.)  
(See Rule 13d-7).                                                               
                                                                                
*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 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).                                                                         
                                                                                
                                                                                
SEC 1745 (10-88)                                                                
                                                                                
                                                                                
                                                                     Page 1 of 5
                                  SCHEDULE 13G                                  
                                                                                
CUSIP NO.         590660106                                                     
                                                                                
1.       NAME OF REPORTING PERSON                                               
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON                      
                                                                                
         Beck, Mack & Oliver LLC    
         13-0477010                         
                                                                                
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) / /.             
                                                           (b) / /.             
                                                                                
3.       SEC USE ONLY                                                           
                                                                                
                                                                                
4.       CITIZENSHIP OR PLACE OF ORGANIZATION                                   
                                                                                
         New York                                                          
                                                                                
                                 5.       SOLE VOTING POWER                     
                                          0                               
           NUMBER OF                                                            
            SHARES               6.       SHARED VOTING POWER                   
         BENEFICIALLY                     0                                     
           OWNED BY                                                             
             EACH                7.       SOLE DISPOSITIVE POWER                
           REPORTING                      0                               
            PERSON                                                              
             WITH                8.       SHARED DISPOSITIVE POWER              
                                          307,920 shares                     
                                                                                
9.       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON           
         307,920 shares                                                         
                                                                                
10.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  
         / /.                                                                   
                                                                                
11.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9                        
         16.52%                                                                 
                                                                                
12.      TYPE OF REPORTING PERSON*                                              
         IA                                                                     
                                                                                
                                                                                
                      *SEE INSTRUCTION BEFORE FILLING OUT!                      
                                                                                
                                                                                
                                                                                
                                                                     Page 2 of 5
                            STATEMENT ON SCHEDULE 13G                           
                                                                                
                                                                                
Item 1(a).   Name of Issuer:                                                    
                                                                                
             Mesa Royalty Trust                                        
                                                                                
Item 1(b).   Address of Issuer's Principal Executive Offices:                   
                                                                                
             712 Main Street                                    
             Houston, Texas   77002                                             
                                                                      
                                                                
                                                                                
Item 2(a).   Names of Person Filing:                                            
                                                                                
             Beck, Mack & Oliver LLC               
                                                                                
Item 2(b).   Address of Principal Business Office or, if none, Residence:       
                                                                                
             330 Madison Avenue                                             
             New York, New York   10017                                        
                                                                        
                                                                                
Item 2(c).   Citizenship:                                                       
                                                                                
             New York                                                      
                                                                                
Item 2(d).   Title of Class of Securities:                                      
                                                                                
             Units of Beneficial Interest                                     
                                                                                
Item 2(e).   CUSIP Number:                                                      
                                                                                
             590660106                                                          
                                                                                
                                                                                
                                                                                
Item 3.      If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b),
             check whether the person filing is a:                              
                                                                                
             (a) / / Broker or Dealer registered under Section 15 of the Act    
             (b) / / Bank as defined in section 3(a)(6) of the Act              
             (c) / / Insurance Company as defined in section 3(a)(19) of the Act
             (d) / / Investment Company registered under section 8 of the       
                 Investment Company Act                                         
             (e) /X/ Investment Advisor registered under section 203 of the     
                 Investment Advisers Act                                        
             (f) / / Employee Benefit Plan, Pension Fund which is subject to the
                 provisions of the Employee Retirement Income Security Act of   
                 1974 or Endowment Fund; see Section 240.13d-1(b)(ii)(F) (Note: 
                 See Item 7)                                                    
                                                                                
                                                                                
                                                                     Page 3 of 5
             (g) / / Parent Holding Company, in accordance with Section         
                 240.13d-1(b)(ii) (G).  (Note: See Item 7)                      
             (h) / / Group, in accordance with Sec. 240.13d-1(b)(ii)(H).        
                                                                                
Item 4.  Ownership:                                                             
                                                                                
         (a) Amount Beneficially Owned: 307,920 of 31st December, 1998       
                                                                                
         (b) Percent of Class: 16.52%                                           
                                                                                
         (c) Number of shares as to which such person has:                      
                                                                                
                  (i) sole power to vote or to direct the vote:          
                                                                                
                  (ii) shared power to vote or to direct the vote:             
                                                                                
                  (iii) sole power to dispose or to direct the disposition of:  
                                                                         
                                                                                
                  (iv) shared power to dispose or to direct the disposition of: 
                       307,920                                                
                                                                                
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:                                                       
                                                                                
                  See Item 6                                                 
                                                                                
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 4 of 5
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. 
                                                                                
                                                                                
Dated: 21st January, 1999                                                       
                                                                                
                                            /s/  Robert C. Beck                
                                            ------------------------            
                                            Name: Robert C. Beck               
                                            Title: Senior Member            
                                                                                
ITEM 6 	OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

		The securities covered by this statement are owned by investment
		advisory clients of BECK, MACK & OLIVER LLC.  These clients have the
		right to receive or the power to direct the receipt of dividends
		from, or the proceeds from the sale of, such securities.  No one of
		these clients owns more than 5% of such class of securities. 

 Page 5 of 5
</TEXT>                                                                         
</DOCUMENT>
</SEC-DOCUMENT>
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