HUMAN GENOME SCIENCES INC
SC 13G, 1998-09-14
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549

                              Schedule 13G**

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

                        Human Genome Sciences, Inc.
                             (Name of Issuer)

                 Common Stock, Par Value $0.01 Per Share        
                      (Title of Class of Securities)

                                 444903108
                              (Cusip Number)

                            September 4, 1998                    
          (Date of Event which Requires Filing of this Statement)

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

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

The information required on 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).

**The total number of shares reported herein is 3,493,865 shares, which
constitutes approximately 15.6% of the total number of shares outstanding.  All
ownership percentages set forth herein assume that there are 22,380,674 shares
outstanding.

                                     <PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Sid R. Bass Management Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 895,688 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 895,688 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     895,688

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): 4.0%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through one of its trustees, Sid R. Bass.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Lee M. Bass

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: USA

               5.   Sole Voting Power: 1,173,733 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 1,173,733 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     1,173,733 (1)

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /
11.  Percent of Class Represented by Amount in Row (9): 5.2%

12.  Type of Reporting Person: IN

- ----------
(1)  Solely in his capacities as sole trustee of the Ramona Frates Bass 1993 A
     Trust with respect to 178,335 shares of the Stock, as the sole trustee of
     the Perry R. Bass, II 1993 A Trust with respect to 178,336 shares of the
     Stock, and as the sole trustee of the Sophie Seeligson Bass 1993 A Trust
          with respect to 178,335 shares of the Stock.<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Wesley Guylay Capital Management, L.P.

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 218,383 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 218,383 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     218,383       

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): 1.0%

12.  Type of Reporting Person: PN

- ----------
(1)  Power is exercised through its sole general partner, Wesley Richard Guylay.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Wesley Guylay Capital Management III, L.P.

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 56,616 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 56,616 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     56,616       

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): 0.3%

12.  Type of Reporting Person: PN

- ----------
(1)  Power is exercised through its sole general partner, Wesley Richard Guylay.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Ramona Frates Bass 1993 A Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 178,335 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 178,335 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     178,335

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): 0.8%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, Lee M. Bass.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Perry R. Bass, II 1993 A Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 178,336 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 178,336 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     178,336

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): 0.8%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, Lee M. Bass.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Sophie Seeligson Bass 1993 A Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 178,335 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 178,335 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     178,335

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): 0.8%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, Lee M. Bass.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Cotham Family Partners, L.P.

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 5,000 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 5,000 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     5,000

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: PN

- ----------
(1)  Power is exercised through its sole general partner, the Matthew Kingston
Cotham 1996 Trust.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     William P. Hallman, Jr.

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /
3.   SEC Use Only


4.   Citizenship or Place of Organization: USA

               5.   Sole Voting Power: 523,000 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 523,000 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     523,000 (1)

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                  /   /

11.  Percent of Class Represented by Amount in Row (9): 2.3%

12.  Type of Reporting Person: IN

- ----------
(1)  Solely in his capacities as the sole trustee of the Matthew Kingston
     Cotham 1996 Trust with respect to 5,000 shares of the Stock, as the sole
     trustee of the P. Andrew Sterling 1990 Trust with respect to 750 shares of
     the Stock, as the sole trustee of the Lisa D. Sterling 1990 Trust with
     respect to 750 shares of the Stock, as the sole trustee of the Philip D.
     Sterling 1990 Trust A with respect to 750 shares of the Stock, as the sole
     trustee of the Alexandra D. Sterling 1990 Trust A with respect to 750
     shares of the Stock, as the sole trustee of the Annie R. Bass Grandson's
     Trust for Sid R. Bass with respect to 250,000 shares of the Stock, and as
     the sole trustee of the Annie R. Bass Grandson's Trust for Lee M. Bass
          with respect to 250,000 shares of the Stock.<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Peter Sterling

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: USA

               5.   Sole Voting Power: 22,000
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 22,000
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     22,000

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%


12.  Type of Reporting Person: IN

<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     P. Andrew Sterling 1990 Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 750 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 750 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     750

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, William P. Hallman, Jr.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Lisa D. Sterling 1990 Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 750 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 750 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     750

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, William P. Hallman, Jr.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Philip D. Sterling 1990 Trust A

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 750 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 750 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     750

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, William P. Hallman, Jr.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Alexandra D. Sterling 1990 Trust A

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 750 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 750 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     750

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, William P. Hallman, Jr.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Mary Susanna Hallman 1992 Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 2,000 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 2,000 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     2,000

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, W. Robert Cotham.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     William P. Hallman, III 1992 Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 2,000 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 2,000 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     2,000

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, W. Robert Cotham.<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Lee Caroline Hallman 1992 Trust

2.   Check the Appropriate Box if a Member of a Group:
                                                       (a) /   /

                                                       (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 2,000 (1)
Number of
Shares
Beneficially   6.   Shared Voting Power: -0-
Owned By
Each
Reporting      7.   Sole Dispositive Power: 2,000 (1)
Person
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     2,000

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:

                                                       /   /

11.  Percent of Class Represented by Amount in Row (9): <0.1%

12.  Type of Reporting Person: 00 - Trust

- ----------
(1)  Power is exercised through its sole trustee, W. Robert Cotham.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Annie R. Bass Grandson's Trust for Sid R. Bass

2.   Check the Appropriate Box if a Member of a Group:           
                                                        (a) /   /
                                                                
                                                        (b) / X /
3.   SEC Use Only

                                                            /   /
4.   Citizenship or Place of Organization: Texas


               5.   Sole Voting Power: 250,000 (1)
Number of                                                       
Shares
Beneficially   6.   Shared Voting Power:  -0-
Owned By                                                        
Each
Reporting      7.   Sole Dispositive Power: 250,000 (1)
Person                                                          
With
               8.   Shared Dispositive Power: -0- 

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     250,000

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:
                                                            /   /

11.  Percent of Class Represented by Amount in Row (9): 1.1%

12.  Type of Reporting Person: 00 - Trust

- ----------------------------
(1)  Power is exercised through its trustee, William P. Hallman, Jr.

<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Annie R. Bass Grandson's Trust for Lee M. Bass

2.   Check the Appropriate Box if a Member of a Group:           
                                                        (a) /   /
                                                                
                                                        (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas


               5.   Sole Voting Power: 250,000 (1)
Number of                                                       
Shares
Beneficially   6.   Shared Voting Power:  -0-
Owned By                                                        
Each
Reporting      7.   Sole Dispositive Power: 250,000 (1)
Person                                                          
With
               8.   Shared Dispositive Power: -0- 

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     250,000

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:
                                                            /   /

11.  Percent of Class Represented by Amount in Row (9): 1.1%

12.  Type of Reporting Person: 00 - Trust

- ---------------------------- 
(1)  Power is exercised through its trustee, William P. Hallman, Jr.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Hyatt Anne Bass Successor Trust

2.   Check the Appropriate Box if a Member of a Group:           
                                                        (a) /   /
                                                                
                                                        (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 299,223 (1)
Number of                                                       
Shares
Beneficially   6.   Shared Voting Power:  -0-
Owned By                                                        
Each
Reporting      7.   Sole Dispositive Power: 299,223 (1)
Person                                                          
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     299,223 (1) 

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares:
                                                            /   /

11.  Percent of Class Represented by Amount in Row (9):  1.3%

12.  Type of Reporting Person: 00 - Trust

- ----------------------------
(1)  Power is exercised through its trustee, Panther City Investment
     Company.
<PAGE>
<PAGE>

CUSIP No. 444903108

1.   Name of Reporting Person:

     Samantha Sims Bass Successor Trust

2.   Check the Appropriate Box if a Member of a Group:           
                                                        (a) /   /
                                                                
                                                        (b) / X /

3.   SEC Use Only


4.   Citizenship or Place of Organization: Texas

               5.   Sole Voting Power: 299,222 (1)
Number of                                                       
Shares
Beneficially   6.   Shared Voting Power:  -0-
Owned By                                                        
Each
Reporting      7.   Sole Dispositive Power: 299,222 (1)
Person                                                          
With
               8.   Shared Dispositive Power: -0-

9.   Aggregate Amount Beneficially Owned by Each Reporting Person:

     299,222 (1)

10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares: 
                                                            /   /

11.  Percent of Class Represented by Amount in Row (9):  1.3%

12.  Type of Reporting Person: 00 - Trust


- ----------------------------
(1)  Power is exercised through its trustee, Panther City Investment 
     Company.<PAGE>
<PAGE>

Item 1(a).     Name of Issuer.

     The name of the issuer is Human Genome Sciences, Inc.(the "Company").

Item 1(b).     Address of Issuer's Principal Executive Offices.

     The principal executive offices of the Issuer are located at 9410 Key West
Avenue, Rockville, Maryland 20850-3338.

Item 2(a).     Names of Persons Filing.

     Pursuant to Rules 13d-1(f)(1)-(2) of Regulation 13D-G of the General Rules
and Regulations under the Securities Exchange Act of 1934, as amended (the
"Act"), this Schedule 13G Statement is hereby filed by Sid R. Bass Management
Trust, a Texas revocable trust ("SRBMT"), Lee M. Bass ("LMB"), Wesley Guylay
Capital Management, L.P., a Texas limited partnership ("WGCM"), Wesley Guylay
Capital Management III, L.P., a Texas limited partnership ("WGCM III"), Ramona
Frates Bass 1993 Trust A, a Texas trust ("RFBT"), Perry R. Bass, II 1993 Trust
A, a Texas trust ("PRBT"), Sophie Seeligson Bass 1993 Trust A, a Texas trust
("SSBT"), Cotham Family Partners, L.P., a Texas limited partnership ("CFP"),
William P. Hallman, Jr. ("WPH"), Peter Sterling ("PS"), P. Andrew Sterling 1990
Trust A, a Texas trust ("PAST"), Lisa D. Sterling 1990 Trust, a Texas trust
("LDST"), Philip D. Sterling 1990 Trust A, a Texas trust ("PDST"), Alexandra D.
Sterling 1990 Trust A, a Texas trust ("ADST"), Annie R. Bass Grandson's Trust
for Sid R. Bass, a Texas testamentary trust ("ARBS"), Annie R. Bass Grandson's
Trust for Lee M. Bass, a Texas testamentary trust ("ARBL"), Mary Susanna Hallman
1992 Trust, a Texas trust ("MSHT"), William P. Hallman, III 1992 Trust, a Texas
trust ("WPHT"), Lee Caroline Hallman 1992 Trust, a Texas trust ("LCHT"), Hyatt
Anne Bass Successor Trust, a Texas trust ("HBST"), and Samantha Sims Bass
Successor Trust, a Texas trust ("SBST")(collectively, the "Reporting Persons").
Additionally, information is included herein with respect to the following
persons (collectively, the "Controlling Persons"):   Sid R. Bass ("SRB"), Wesley
Richard Guylay ("WRG"), Matthew Kingston Cotham 1996 Trust, a Texas trust
("MKCT"), W. Robert Cotham ("WRC"), Panther City Investment Company, a Texas
corporation ("PCIC"), and Panther City Production Company, a Texas corporation
("PCPC"). The Reporting Persons and the Controlling Persons are sometimes
hereinafter collectively referred to as the "Item 2 Persons."  The Item 2
Persons are making this single, joint filing because they may be deemed to
constitute a "group" within the meaning of Section 13(d)(3) of the Act, although
neither the fact of this filing nor anything contained herein shall be deemed
to be an admission by the Item 2 Persons that such a group exists.

Item 2(b).     Address of Principal Business Office, or if None, Residence.

     The principal business office for each of WPH, PAST, LDST, PDST, ADST, and
MKCT is 201 Main Street, Suite 2500, Fort Worth, Texas  76102.

     The principal business office for each of CFP, MSHT, WPHT, LCHT, HBST,
SBST, WRC, PCIC, and PCPC is 201 Main Street, Suite 2600, Fort Worth, Texas 
76102.

     The principal business office for each of SRBMT, LMB, WGCM, WGCM III, RFBT,
PRBT, SSBT, ARBS, ARBL, and SRB is 201 Main Street, Suite 2700, Fort Worth,
Texas 76102.

     The principal business office for PS is 201 Main Street, Suite 3200, Fort
Worth, Texas 76102.

     The principal business office for WRG is 30 Rockefeller Plaza, Suite 4535,
New York, New York 10112.

Item 2(c).     Citizenship.

     All of the natural persons listed in Item 2(a) are citizens of the United
States of America.

Item 2(d).     Title of Class of Securities.

     This statement relates to shares of Common Stock, par value $0.01 per share
(the "Stock"), issued by the Company. 

Item 2(e).     CUSIP Number.  

     The CUSIP number of the shares of Stock is 444903108.

Item 3.   Filing Pursuant to Rules 13d-1(b) or 13d-2(b).  

     If this statement is filed pursuant to Sections 240.13d-1(b) or 240.13d-
2(b) or (c), check whether the person filing is a:

     (a) / /  Broker or dealer registered under section 15 of the Act (15 U.S.C.
78o);

     (b) / /  Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

     (c) / /  Insurance company as defined in section 3(a)(19) of the Act (15
U.S.C. 78c);

     (d) / /  Investment company registered under section 8 of the Investment
Company Act of 1940 (15 U.S.C. 80a-8);

     (e) / /  An investment adviser in accordance with section 240.13d-
1(b)(1)(ii)(E);

     (f) / /  An employee benefit plan or endowment fund in accordance with
section 240.13d-1(b)(1)(ii)(F);

     (g) / /  A parent holding company or control person in accordance with
section 240.13d-1(b)(1)(ii)(G);

     (h) / /  A savings associations as defined in Section 3(b) of the Federal
Deposit Insurance Act (12 U.S.C. 1813);

     (i) / /  A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment Company Act of 1940
(15 U.S.C. 80a-3);

     (j) / /  Group, in accordance with section 240.13d-1(b)(1)(ii)(J).

     If this statement is filed pursuant to section 240.13d-1(c), check this box
/X/.

Item 4.   Ownership.

     (a) - (b)

     Reporting Persons

     SRBMT

     The aggregate number of shares of the Stock that SRBMT owns beneficially,
pursuant to Rule 13d-3 of the Act, is 895,688, which constitutes approximately
4.0% of the outstanding shares of the Stock.

     LMB

     Because of his positions as the sole trustee of each of RFBT, PRBT, and
SSBT and because of his direct ownership of 638,727 shares of the Stock, LMB
may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of
1,173,733 shares of the Stock, which constitutes approximately 5.2% of the
outstanding shares of the Stock.

     WGCM

     The aggregate number of shares of the Stock that WGCM owns beneficially,
pursuant to Rule 13d-3 of the Act, is 218,383, which constitutes approximately
1.0% of the outstanding shares of the Stock.

     WGCM III

     The aggregate number of shares of the Stock that WGCM III owns
beneficially, pursuant to Rule 13d-3 of the Act, is 56,616, which constitutes
approximately 0.3% of the outstanding shares of the Stock.

     RFBT

     The aggregate number of shares of the Stock that RFBT owns beneficially,
pursuant to Rule 13d-3 of the Act, is 178,335, which constitutes approximately
0.8% of the outstanding shares of the Stock.

     PRBT

     The aggregate number of shares of the Stock that PRBT owns beneficially,
pursuant to Rule 13d-3 of the Act, is 178,336, which constitutes approximately
0.8% of the outstanding shares of the Stock.

     SSBT

     The aggregate number of shares of the Stock that SSBT owns beneficially,
pursuant to Rule 13d-3 of the Act, is 178,335, which constitutes approximately
0.8% of the outstanding shares of the Stock.

     CFP

     The aggregate number of shares of the Stock that CFP owns beneficially,
pursuant to Rule 13d-3 of the Act, is 5,000, which constitutes less than 0.1%
of the outstanding shares of the Stock.

     WPH

     Because of his positions as the sole trustee of each of MKCT, PAST, LDST,
PDST, ADST, ARBS, and ARBL, and because of his direct ownership of 15,000 shares
of the Stock, WPH may, pursuant to Rule 13d-3 of the Act, be deemed to be the
beneficial owner of 523,000 shares of the Stock, which constitutes approximately
2.3% of the outstanding shares of the Stock.

     PS

     The aggregate number of shares of the Stock that PS owns beneficially,
pursuant to Rule 13d-3 of the Act, is 22,000, which constitutes less than 0.1%
of the outstanding shares of the Stock.

     PAST

     The aggregate number of shares of the Stock that PAST owns beneficially,
pursuant to Rule 13d-3 of the Act, is 750, which constitutes less than 0.1% of
the outstanding shares of the Stock.

     LDST

     The aggregate number of shares of the Stock that LDST owns beneficially,
pursuant to Rule 13d-3 of the Act, is 750, which constitutes less than 0.1% of
the outstanding shares of the Stock.

     PDST

     The aggregate number of shares of the Stock that PDST owns beneficially,
pursuant to Rule 13d-3 of the Act, is 750, which constitutes less than 0.1% of
the outstanding shares of the Stock.

     ADST

     The aggregate number of shares of the Stock that ADST owns beneficially,
pursuant to Rule 13d-3 of the Act, is 750, which constitutes less than 0.1% of
the outstanding shares of the Stock.

     MSHT

     The aggregate number of shares of the Stock that MSHT owns beneficially,
pursuant to Rule 13d-3 of the Act, is 2,000, which constitutes less than 0.1%
of the outstanding shares of the Stock.


     WPHT

     The aggregate number of shares of the Stock that WPHT owns beneficially,
pursuant to Rule 13d-3 of the Act, is 2,000, which constitutes less than 0.1%
of the outstanding shares of the Stock.

     LCHT

     The aggregate number of shares of the Stock that LCHT owns beneficially,
pursuant to Rule 13d-3 of the Act, is 2,000, which constitutes less than 0.1%
of the outstanding shares of the Stock.

     ARBS

     The aggregate number of shares of the Stock that ARBS owns beneficially,
pursuant to Rule 13d-3 of the Act, is 250,000, which constitutes 1.1% of the
outstanding shares of the Stock.

     ARBL

     The aggregate number of shares of the Stock that ARBL owns beneficially,
pursuant to Rule 13d-3 of the Act, is 250,000, which constitutes 1.1% of the
outstanding shares of the Stock.

     HBST

     The aggregate number of shares of the stock that HBST owns beneficially,
pursuant to Rule 13d-3 of the Act, is 299,223 shares which constitutes
approximately 1.3% of the outstanding shares of the Stock.

     SBST

     The aggregate number of shares of the Stock that HBST owns beneficially,
pursuant to Rule 13d-3 of the Act, is 299,222 shares, which constitutes
approximately 1.3% of the outstanding shares of the stock.


Controlling Persons

     SRB

     Because of his positions as a trustee and the sole trustor of SRBMT and by
virtue of his power to revoke same, SRB may, pursuant to Rule 13d-3 of the Act,
be deemed to be the beneficial owner of 895,688 shares of the Stock, which
constitutes approximately 4.0% of the outstanding shares of the Stock.

     WRG

     Because of his position as the sole general partner of WGCM and of WGCM
III, WRG may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial
owner of 274,999 shares of the Stock, which constitutes approximately 1.2% of
the outstanding shares of the Stock.

     MKCT

     Because of its position as the sole general partner of CFP, MKCT may,
pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 5,000
shares of the Stock, which constitutes less than 0.1% of the outstanding shares
of the Stock.

     WRC

     Because of his positions as the sole trustee of each of MSHT, WPHT and
LCHT, WRC may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial
owner of 6,000 shares of the Stock, which constitutes less than 0.1% of the
outstanding shares of the Stock.

     PCIC

     Because of its position as the trustee of HBST and SBST, PCIC may, pursuant
to Rule 13d-3 be deemed to be the beneficial owner of 598,445 of the Stock,
which constitutes approximately 2.7% of the outstanding shares of the Stock.

     PCPC

     Because of its position as the sole shareholder of PCIC, the trustee of
HBST and SBST, PCPC may, pursuant to Rule 13d-3, be deemed to be the beneficial
owner of 598,445 shares of the Stock, which constitutes approximately 2.7% of
the outstanding shares of the Stock.

     To the best of the knowledge of each of the Reporting Persons, other than
as set forth above, none of the persons named in Item 2 herein is the beneficial
owner of any shares of the Stock.

     (c)

     Reporting Persons

     SRBMT

     Acting through one of its trustees and its sole trustor, SRBMT has the sole
power to vote or to direct the vote and to dispose or to direct the disposition
of 895,688 shares of the Stock.

     LMB

     Because of his positions as the sole trustee of each of RFBT, PRBT, and
SSBT, and because of his direct ownership of 638,727 shares of the Stock, LMB
has the sole power to vote or to direct the vote and to dispose or to direct the
disposition of 1,173,733 shares of the Stock.

     WGCM

     Acting through its sole general partner, WGCM has the sole power to vote
or to direct the vote and to dispose or to direct the disposition of 218,383
shares of the Stock.

     WGCM III

     Acting through its sole general partner, WGCM III has the sole power to
vote or to direct the vote and to dispose or to direct the disposition of 56,616
shares of the Stock.

     RFBT

     Acting through its sole trustee, RFBT has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 178,335 shares
of the Stock.

     PRBT

     Acting through its sole trustee, PRBT has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 178,336 shares
of the Stock.

     SSBT

     Acting through its sole trustee, SSBT has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 178,335 shares
of the Stock.

     CFP

     Acting through its sole general partner, CFP has the sole power to vote or
to direct the vote and to dispose or to direct the disposition of 5,000 shares
of the Stock.

     WPH

     Because of his positions as the sole trustee of each of MKCT, PAST, LDST,
PDST, ADST, ARBS, and ARBL, and because of his direct ownership of 15,000 shares
of the Stock, WPH has the sole power to vote or to direct the vote and to
dispose or to direct the disposition of 523,000 shares of the Stock.

     PS

     PS has the sole power to vote or to direct the vote and to dispose or to
direct the disposition of 22,000 shares of the Stock.

     PAST

     Acting through its sole trustee, PAST has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 750 shares of the
Stock.

     LDST

     Acting through its sole trustee, LDST has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 750 shares of the
Stock.

     PDST

     Acting through its sole trustee, PDST has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 750 shares of the
Stock.

     ADST

     Acting through its sole trustee, ADST has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 750 shares of the
Stock.

     MSHT

     Acting through its sole trustee, MSHT has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 2,000 shares of
the Stock.


     WPHT

     Acting through its sole trustee, WPHT has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 2,000 shares of
the Stock.

     LCHT

     Acting through its sole trustee, LCHT has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 2,000 shares of
the Stock.

     ARBS

     Acting through its sole trustee, ARBS has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 250,000 shares
of the Stock.

     ARBL

     Acting through its sole trustee, ARBL the sole power to vote or to direct
the vote and to dispose or to direct the disposition of 250,000 shares of the
Stock.

     HBST

     Acting through its trustee, HBST has the sole power to vote or to direct
the vote or to direct the disposition of 299,223 shares of the Stock. 

     SBST

     Acting through its trustee, SBST has the sole power to vote or to direct
the vote or to direct the disposition of 299,222 shares of the Stock. 


     Controlling Persons

     SRB

     Because of his position as a trustee and the sole trustor of SRBMT and by
virtue of his power to revoke same, SRB has the sole power to vote or to direct
the vote and to dispose or to direct the disposition of 895,688 shares of the
Stock.

     WRG

     Because of his position as the sole general partner of WGCM and of WGCM
III, WRG has the sole power to vote or to direct the vote and to dispose or to
direct the disposition of 274,999 shares of the Stock.

     MKCT

     Because of its position as the sole general partner of CFP, and acting
through its sole trustee, MKCT has the sole power to vote or to direct the vote
and to dispose or to direct the disposition of 5,000 shares of the Stock.

     WRC

     Because of his positions as the sole trustee of each of MSHT, WPHT and
LCHT, WRC has the sole power to vote or to direct the vote and to dispose or to
direct the disposition of 6,000 shares of the Stock.

     PCIC

     As the trustee of HBST and SBST, PCIC has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 598,445 shares
of the Stock.

     PCPC

     As the sole shareholder of PCIC, the trustee of HBST and SBST, PCPC has the
sole power to vote or to direct the vote and to dispose or to direct the
disposition of 598,445 shares of the Stock.

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.

     No person other than the Item 2 Persons has the right to receive or the
power to direct the receipt of dividends from, or the proceeds from the sale of,
the shares of Stock owned by them.

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.

     This Schedule 13G Statement is being filed on behalf of the Reporting
Person pursuant to Rule 13d-1(c).  The identity of each of the Item 2 Persons
is set forth in Item 2(a) hereof.  

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 not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.

<PAGE>
<PAGE>
  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:     September 11, 1998



                               COTHAM FAMILY PARTNERS, L.P.

                               By:  Matthew Kingston Cotham 1996 
                                    Trust, General Partner

                               By:   /s/ William P. Hallman, Jr.        
                                           William P. Hallman, Jr.,
                                           Sole Trustee



                                /s/ William P. Hallman, Jr.     
                               William P. Hallman, Jr., 
                               Individually and as Sole Trustee 
                               of each of the P. Andrew Sterling
                               1990 Trust, Lisa D. Sterling 1990
                               Trust, the Philip D. Sterling 1990 
                               Trust A, the Alexandra D. Sterling 
                               1990 Trust A, the Annie R. Bass 
                               Grandson's Trust for Sid R. Bass, 
                               and the Annie R. Bass Grandson's
                               Trust for Lee M. Bass

                               Attorney-in-Fact for:

                               LEE M. BASS (1)
                               Individually and as Sole Trustee of
                               each of the Ramona Frates Bass 
                               1993 A Trust, the Perry R. Bass, II
                               1993 A Trust and the Sophie Seeligson
                               Bass 1993 A Trust




                                /s/ W. R. Cotham                
                               W. R. Cotham,      
                               As Sole Trustee of each of the Mary Susanna
                               Hallman 1992 Trust, the William P. Hallman,
                               III 1992 Trust and the Lee Caroline 
                               Hallman 1992 Trust


                               Attorney-in-Fact for:

                               SID R. BASS MANAGEMENT TRUST (2)
                               WESLEY GUYLAY CAPITAL 
                                  MANAGEMENT III, L.P. (3)
                               WESLEY GUYLAY CAPITAL MANAGEMENT, L.P. (4)
                               PETER STERLING (5)


                               PANTHER CITY INVESTMENT COMPANY
                               in its capacity as Trustee for
                               HYATT ANNE BASS SUCCESSOR TRUST
                               SAMANTHA SIMS BASS SUCCESSOR TRUST


                               By: /s/ W. R. Cotham             
                                     W.R. Cotham, President


(1)    A Power of Attorney authorizing William P. Hallman, Jr. to act on
       behalf of Lee M. Bass previously has been filed with the Securities and
       Exchange Commission.

(2)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
       of Sid R. Bass Management Trust previously has been filed with the
       Securities and Exchange Commission.

(3)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
       of Wesley Guylay Capital Management III, L.P. previously has been filed
       with the Securities and Exchange Commission.

(4)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
       of Wesley Guylay Capital Management, L.P. previously has been filed
       with the Securities and Exchange Commission.

(5)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
  Peter Sterling previously has been filed with the Securities and
  Exchange Commission.

<PAGE>
<PAGE>
                               EXHIBIT INDEX

EXHIBIT                 DESCRIPTION                                    

  99.1       Agreement and Power of Attorney pursuant to Rule 13d-1(k)(1)(iii),
             filed herewith        


                               Exhibit 99.1


  1.   Joint Filing.  Pursuant to Rule 13d-1(k)(1)(iii) of Regulation
13D-G of the General Rules and Regulations of the Securities and Exchange
Commission under the Securities Exchange Act of 1934, as amended, the
undersigned agrees that the statement to which this Exhibit is attached is filed
on behalf of each of them in the capacities set forth below.

  2.   Power of Attorney.      Know all persons by these presents that the
each person whose signature appears below constitutes and appoints W. Robert
Cotham, Mark L. Hart, Jr. and William P. Hallman, Jr., and each of them, as his
true and lawful attorneys-in-fact and agents with full power of substitution and
resubstitution, for such person and in such person's name, place and stead, in
any and all capacities, to sign any and all amendments to the Schedule 13G, and
any reports filed pursuant to Section 16 of the Securities Exchange Act of 1934,
filed on behalf of each of them with respect to their beneficial ownership of
Human Genome Sciences, Inc. and to file the same, with all exhibits thereto and
all documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorneys-in-fact and agents, and each of them,
full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes as such person might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents or any of
them, or such person or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.


                               COTHAM FAMILY PARTNERS, L.P.

                               By:  Matthew Kingston Cotham 1996 
                                    Trust, General Partner

                               By:   /s/ William P. Hallman, Jr.        
                                           William P. Hallman, Jr.,
                                           Sole Trustee



                                /s/ William P. Hallman, Jr.     
                               William P. Hallman, Jr., 
                               Individually and as Sole Trustee 
                               of each of the P. Andrew Sterling
                               1990 Trust, Lisa D. Sterling 1990
                               Trust, the Philip D. Sterling 1990 
                               Trust A, the Alexandra D. Sterling 
                               1990 Trust A, the Annie R. Bass 
                               Grandson's Trust for Sid R. Bass, 
                               and the Annie R. Bass Grandson's
                               Trust for Lee M. Bass

                               Attorney-in-Fact for:

                               LEE M. BASS (1)
                               Individually and as Sole Trustee of
                               each of the Ramona Frates Bass 
                               1993 A Trust, the Perry R. Bass, II
                               1993 A Trust and the Sophie Seeligson
                               Bass 1993 A Trust




                                /s/ W. R. Cotham                
                               W. R. Cotham,      
                               As Sole Trustee of each of the Mary Susanna
                               Hallman 1992 Trust, the William P. Hallman,
                               III 1992 Trust and the Lee Caroline 
                               Hallman 1992 Trust


                               Attorney-in-Fact for:

                               SID R. BASS MANAGEMENT TRUST (2)
                               WESLEY GUYLAY CAPITAL 
                                 MANAGEMENT III, L.P. (3)
                               WESLEY GUYLAY CAPITAL MANAGEMENT, L.P. (4)
                               PETER STERLING (5)


                               PANTHER CITY INVESTMENT COMPANY
                               in its capacity as Trustee for
                               HYATT ANNE BASS SUCCESSOR TRUST
                               SAMANTHA SIMS BASS SUCCESSOR TRUST


                               By: /s/ W. R. Cotham             
                                     W.R. Cotham, President


(1)    A Power of Attorney authorizing William P. Hallman, Jr. to act on
       behalf of Lee M. Bass previously has been filed with the Securities and
       Exchange Commission.

(2)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
       of Sid R. Bass Management Trust previously has been filed with the
       Securities and Exchange Commission.

(3)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
       of Wesley Guylay Capital Management III, L.P. previously has been filed
       with the Securities and Exchange Commission.

(4)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
       of Wesley Guylay Capital Management, L.P. previously has been filed
       with the Securities and Exchange Commission.

(5)    A Power of Attorney authorizing W. R. Cotham, et al., to act on behalf
  Peter Sterling previously has been filed with the Securities and
  Exchange Commission.
  



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