----

| Delaware                                  |   | 75-2310852          |
|-------------------------------------------|--------|---------------------|
| (State or other jurisdiction              |   | (I.R.S. Employer    |
| of incorporation or organization)         |   | Identification No.) |
|                                      |   |                |
| 6 Desta Drive, Suite 6500, Midland, Texas |   | 79705               |
| (Address of principal executive office)   |   | (Zip Code)          |

| Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.                                                                                                                                                                                                                                    |  ̈ Yes | x No      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------|-----------|
|                                                                                                                                                                                                                                                                                                                                                       |       |      |
| Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.                                                                                                                                                                                                                               |  ̈ Yes | x No      |
|                                                                                                                                                                                                                                                                                                                                                       |       |      |
| Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.   | x Yes      |  ̈ No |
|                                                                                                                                                                                                                                                                                                                                                       |       |      |
| Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). |  ̈ Yes |  ̈ No |

| Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.x |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer.  See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Large accelerated filer  ̈                                                                                                                                                                                                                            |   | Accelerated filer  ̈ |   | Non-accelerated filer  x |   | Smaller reporting company ̈ |   |

| Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). |  ̈ Yes | x No |
|---------------------------------------------------------------------------------------------------------|------------|------|

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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | Page   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|
| Part I                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 1.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Business                                                                                                                                                    | 3      |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 1A.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Risk Factors                                                                                                                                                | 7      |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 1B.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Unresolved Staff Comments                                                                                                                                   | 8      |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 2.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Properties                                                                                                                                                  | 9      |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 3.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Legal Proceedings                                                                                                                                           | 10     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 4.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Submission of Matters to a Vote of Security Holders                                                                                                         | 10     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Part II                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 5.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Market for Registrant's Common Equity, Related                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | Stockholder Matters and Issuer Purchases of Equity Securities                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 11     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 6.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Selected Financial Data                                                                                                                                     | 12     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 7.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Management's Discussion and Analysis of                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | Financial Condition and Results of Operations                                                                                                                                   | 13     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 7A.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Quantitative and Qualitative Disclosures About Market Risk                                                                                                  | 15     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 8.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Financial Statements and Supplementary Data                                                                                                                 | 16     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 9.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Changes in and Disagreements with Accountants                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | on Accounting and Financial Disclosure                                                                                                                                          | 29     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 9A.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Controls and Procedures                                                                                                                                     | 29     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 9B.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Other Information                                                                                                                                           | 30     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Part III                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 10.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Directors, Executive Officers and Corporate Governance                                                                                                      | 31     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 11.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Executive Compensation                                                                                                                                      | 31     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 12.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Security Ownership of Certain Beneficial Owners and Management and                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | Related Stockholder Matters                                                                                                                                                     | 32     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 13.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Certain Relationships and Related Transactions, and Director Independence                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 32     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 14.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Principal Accounting Fees and Services                                                                                                                      | 32     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Part IV                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Item 15.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Exhibits and Financial Statement Schedules                                                                                                                  | 33     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Glossary of Oil and Gas Terms                                                                                                                   | 34                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |
| Signatures                                                                                                                                      | 36                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |

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| ·   | amends the definition of proved reserves to require the use of average commodity prices based upon the prior 12 month period rather than year-end prices; |
|--------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | expands the type of technologies available to establish reserve estimates and categories; |
|--------------------|-------------------------------------------------------------------------------------------|

| ·   | modifies certain definitions used in estimating proved reserves; |
|--------------------|------------------------------------------------------------------|

| ·   | permits disclosure of probable and possible reserves; and |
|--------------------|-----------------------------------------------------------|

| ·   | permits disclosure of reserves based on different price and cost criteria, such as futures prices or management forecasts. |
|--------------------|----------------------------------------------------------------------------------------------------------------------------|

|                               |   | Proved Developed |   |   | Proved       |   |   | Total       |   |
|------------------------------------|--------|------------------|--------|--------|--------------|--------|--------|-------------|--------|
|                               |   | Producing        |   |   | Nonproducing |   |   | Undeveloped |   |   | Proved |   |
| Oil (Bbls)                         |   |             | 82,000 |   |         |   | -      |        |   |   | - |   |   |   | 82,000 |   |
| Gas (Mcf)                          |   |             | 93,000 |   |         |   | -      |        |   |   | - |   |   |   | 93,000 |   |
| Total (BOE)                        |   |             | 98,000 |   |         |   | -      |        |   |   | - |   |   |   | 98,000 |   |
|                               |   |             |   |   |         |   |   |        |   |   |   |   |   |   |   |   |
| Standardized measure of discounted |   |             |   |   |         |   |   |        |   |   |   |   |   |   |   |   |
| future net cash flows              |   |             |   |   |         |   |   |        |   |   |   |   |   | $ | 1,114,000 |   |

|       |   | Proved Reserves |   |   |   |   |
|------------|--------|-----------------|--------|--------|--------|--------|
|       |   |            |   |   |   |   |   | Total Oil |   |   | Percent of |   |
|       |   | Oil             |   |   | Gas    |   |   | Equivalent |   |   | Total Oil |   |
|       |   | (Bbls)          |   |   | (Mcf)  |   |   | (BOE) |   |   | Equivalent |   |
| Slaughter  |   |            | 42,000 |   |   |   | - |   |   |   | 42,000 |   |   |   | 42.9 | % |
| Anita      |   |            | 11,000 |   |   |   | - |   |   |   | 11,000 |   |   |   | 11.2 | % |
| Big Spring |   |            | 8,000  |   |   |   | 6,000 |   |   |   | 9,000 |   |   |   | 9.2 | % |
| Jalmat     |   |            | 5,000  |   |   |   | 22,000 |   |   |   | 9,000 |   |   |   | 9.2 | % |
| Other      |   |            | 16,000 |   |   |   | 65,000 |   |   |   | 27,000 |   |   |   | 27.5 | % |
| Total      |   |            | 82,000 |   |   |   | 93,000 |   |   |   | 98,000 |   |   |   | 100.0 | % |

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Item 

Item 

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| Item 5. | Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities |
|---------|--------------------------------------------------------------------------------------------------------------|

|           |   | Total Number |   |   |          |   |
|----------------|--------|--------------|--------|--------|---------------|--------|
|           |   | of Units     |   |   | Average Price |   |
| Period         |   | Purchased    |   |   | Paid Per Unit |   |
| January 2009   |   |         | -      |   |          | $      | - |   |
| February 2009  |   |         | -      |   |          |   | - |   |
| March 2009     |   |         | 41.0   |   |          |   | 38.00 |   |
| April 2009     |   |         | -      |   |          |   | - |   |
| May 2009       |   |         | -      |   |          |   | - |   |
| June 2009      |   |         | 30.0   |   |          |   | 39.00 |   |
| July 2009      |   |         | -      |   |          |   | - |   |
| August 2009    |   |         | -      |   |          |   | - |   |
| September 2009 |   |         | 25.0   |   |          |   | 38.00 |   |
| October 2009   |   |         | -      |   |          |   | - |   |
| November 2009  |   |         | -      |   |          |   | - |   |
| December 2009  |   |         | 38.0   |   |          |   | 38.00 |   |
| TOTALS         |   |         | 134.0  |   |          | $      | 38.22 |   |

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Item 

|                           |   | Years ended December 31, |    |
|--------------------------------|--------|--------------------------|---------|
|                           |   | 2009                     |    |   | 2008 |   |   | 2007 |   |   | 2006 |   |   | 2005 |   |
| Revenues                       |   | $                        | 243,412 |   |   | $ | 676,683 |   |   | $ | 424,116 |   |   | $ | 412,625 |   |   | $ | 459,406 |   |
|                           |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income                     |   |                     | 79,061  |   |   |   | 521,272 |   |   |   | 267,363 |   |   |   | 271,735 |   |   |   | 334,787 |   |
|                           |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Partners' share of net income: |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                           |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| General partners               |   |                     | 10,661  |   |   |   | 54,432 |   |   |   | 28,886 |   |   |   | 28,688 |   |   |   | 34,570 |   |
|                           |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Limited partners               |   |                     | 68,400  |   |   |   | 466,840 |   |   |   | 238,477 |   |   |   | 243,047 |   |   |   | 300,217 |   |
|                           |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Limited partners'              |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| net income per unit            |   |                     | 6.04    |   |   |   | 41.25 |   |   |   | 21.07 |   |   |   | 21.48 |   |   |   | 26.53 |   |
|                           |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Limited partners'              |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| cash distributions per unit    |   |                     | 4.15    |   |   |   | 53.05 |   |   |   | 18.33 |   |   |   | 26.35 |   |   |   | 27.04 |   |
|                           |   |                     |    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total assets                   |   | $                        | 384,909 |   |   | $ | 372,137 |   |   | $ | 471,343 |   |   | $ | 426,228 |   |   | $ | 417,337 |   |

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Item 

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|                                      |   | Year Ended December 31, |   |
|-------------------------------------------|--------|-------------------------|--------|
|                                      |   | 2009                    |   |   | 2008 |   |   | 2007 |   |
| Oil production in barrels                 |   |                    | 9,298  |   |   |   | 9,649 |   |   |   | 8,950 |   |
| Gas production in mcf                     |   |                    | 18,983 |   |   |   | 23,562 |   |   |   | 26,947 |   |
| Total (BOE)                               |   |                    | 12,462 |   |   |   | 13,576 |   |   |   | 13,441 |   |
| Average price per barrel of oil           |   | $                       | 55.53  |   |   | $ | 96.74 |   |   | $ | 67.54 |   |
| Average price per mcf of gas              |   | $                       | 4.29   |   |   | $ | 9.69 |   |   | $ | 7.41 |   |
| Partnership distributions                 |   | $                       | 52,548 |   |   | $ | 667,414 |   |   | $ | 230,479 |   |
| Limited partner distributions             |   | $                       | 46,931 |   |   | $ | 600,318 |   |   | $ | 207,366 |   |
| Per unit distribution to limited partners |   | $                       | 4.15   |   |   | $ | 53.05 |   |   | $ | 18.33 |   |
| Number of limited partner units           |   |                    | 11,316 |   |   |   | 11,316 |   |   |   | 11,316 |   |

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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   | Page   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------|
| Report of Independent Registered Public Accounting Firm                                                                                                    |   | 17     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |   |
| Balance Sheets                                                                                                                                             |   | 18     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |   |
| Statements of Operations                                                                                                                                   |   | 19     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |   |
| Statements of Changes in Partners' Equity (Deficit)                                                                                                        |   | 20     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |   |
| Statements of Cash Flows                                                                                                                                   |   | 21     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |   |
| Notes to Financial Statements                                                                                                                              |   | 22     |

----

REPORT 

----

Royalties 

|                                       |   | December 31, |      |
|--------------------------------------------|--------|--------------|-----------|
|                                       |   | 2009         |      |   | 2008 |   |
| Assets                                     |   |         |      |   |   |   |
|                                       |   |         |      |   |   |   |
| Current assets:                            |   |         |      |   |   |   |
| Cash and cash equivalents                  |   | $            | 46,268    |   |   | $ | 49,315 |   |
| Receivable from Managing General Partner   |   |         | 46,837    |   |   |   | - |   |
| New Mexico income tax deposits             |   |         | 9,306     |   |   |   | 19,085 |   |
|                                       |   |         |      |   |   |   |   |   |
| Total current assets                       |   |         | 102,411   |   |   |   | 68,400 |   |
|                                       |   |         |      |   |   |   |   |   |
| Oil and gas properties - using the full-   |   |         |      |   |   |   |   |   |
| cost method of accounting                  |   |         | 4,390,708 |   |   |   | 4,384,396 |   |
| Less accumulated depreciation,             |   |         |      |   |   |   |   |   |
| depletion and amortization                 |   |         | 4,108,210 |   |   |   | 4,080,659 |   |
|                                       |   |         |      |   |   |   |   |   |
| Net oil and gas properties                 |   |         | 282,498   |   |   |   | 303,737 |   |
|                                       |   |         |      |   |   |   |   |   |
|                                       |   | $            | 384,909   |   |   | $ | 372,137 |   |
| Liabilities and Partners' Equity (Deficit) |   |         |      |   |   |   |   |   |
|                                       |   |         |      |   |   |   |   |   |
| Current liability:                         |   |         |      |   |   |   |   |   |
| Payable to Managing General Partner        |   | $            | -         |   |   | $ | 38,292 |   |
|                                       |   |         |      |   |   |   |   |   |
| Asset retirement obligation                |   |         | 281,268   |   |   |   | 256,717 |   |
|                                       |   |         |      |   |   |   |   |   |
| Partners' equity (deficit):                |   |         |      |   |   |   |   |   |
| General Partner                            |   |         | (10,037   | ) |   |   | (15,081 | ) |
| Limited partners                           |   |         | 113,678   |   |   |   | 92,209 |   |
|                                       |   |         |      |   |   |   |   |   |
| Total partners' equity                     |   |         | 103,641   |   |   |   | 77,128 |   |
|                                       |   |         |      |   |   |   |   |   |
|                                       |   | $            | 384,909   |   |   | $ | 372,137 |   |

----

Royalties 

|                                     |   | Years ended December 31, |    |
|------------------------------------------|--------|--------------------------|---------|
|                                     |   | 2009                     |    |   | 2008 |   |   | 2007 |   |
| Revenues                                 |   |                     |    |   |   |   |   |   |   |
|                                     |   |                     |    |   |   |   |   |   |   |
| Income from net profits interests        |   | $                        | 243,365 |   |   | $ | 676,060 |   |   | $ | 423,146 |   |
| Interest income                          |   |                     | 41      |   |   |   | 615 |   |   |   | 936 |   |
| Other                                    |   |                     | 6       |   |   |   | 8 |   |   |   | 34 |   |
|                                     |   |                     | 243,412 |   |   |   | 676,683 |   |   |   | 424,116 |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| Expenses                                 |   |                     |    |   |   |   |   |   |   |   |   |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| Depreciation, depletion and amortization |   |                     | 27,551  |   |   |   | 23,044 |   |   |   | 21,500 |   |
| Accretion expense                        |   |                     | 23,640  |   |   |   | 19,207 |   |   |   | 21,387 |   |
| General and administrative               |   |                     | 113,160 |   |   |   | 113,160 |   |   |   | 113,866 |   |
|                                     |   |                     | 164,351 |   |   |   | 155,411 |   |   |   | 156,753 |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| Net income                               |   | $                        | 79,061  |   |   | $ | 521,272 |   |   | $ | 267,363 |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| Net income allocated to:                 |   |                     |    |   |   |   |   |   |   |   |   |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| Managing General Partner                 |   | $                        | 9,595   |   |   | $ | 48,989 |   |   | $ | 25,998 |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| General Partner                          |   | $                        | 1,066   |   |   | $ | 5,443 |   |   | $ | 2,888 |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| Limited partners                         |   | $                        | 68,400  |   |   | $ | 466,840 |   |   | $ | 238,477 |   |
|                                     |   |                     |    |   |   |   |   |   |   |   |   |   |
| Per limited partner unit                 |   | $                        | 6.04    |   |   | $ | 41.25 |   |   | $ | 21.07 |   |

----

Royalties 

|                         |   | General  |    |   | Limited  |   |     |   |   |
|------------------------------|--------|----------|---------|--------|----------|--------|----------|--------|--------|
|                         |   | Partners |    |   | Partners |   |     | Total  |   |
| Balance at December 31, 2006 |   | $        | (8,190  | )      |     | $      | 194,576  |   |   | $ | 186,386 |   |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Net income                   |   |     | 28,886  |   |     |   | 238,477  |   |   |   | 267,363 |   |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Distributions                |   |     | (23,113 | )      |     |   | (207,366 | )      |   |   | (230,479 | ) |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Balance at December 31, 2007 |   |     | (2,417  | )      |     |   | 225,687  |   |   |   | 223,270 |   |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Net income                   |   |     | 54,432  |   |     |   | 466,840  |   |   |   | 521,272 |   |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Distributions                |   |     | (67,096 | )      |     |   | (600,318 | )      |   |   | (667,414 | ) |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Balance at December 31, 2008 |   |     | (15,081 | )      |     |   | 92,209   |   |   |   | 77,128 |   |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Net income                   |   |     | 10,661  |   |     |   | 68,400   |   |   |   | 79,061 |   |
|                         |   |     |    |   |     |   |     |   |   |   |   |   |
| Distributions                |   |     | (5,617  | )      |     |   | (46,931  | )      |   |   | (52,548 | ) |
| Balance at December 31, 2009 |   | $        | (10,037 | )      |     | $      | 113,678  |   |   | $ | 103,641 |   |

----

Southwest 

|                                                  |   | Years ended December 31, |     |
|-------------------------------------------------------|--------|--------------------------|----------|
|                                                  |   | 2009                     |     |   | 2008 |   |   | 2007 |   |
| Cash flows from operating activities:                 |   |                     |     |   |   |   |   |   |   |
| Cash received from net profits interests              |   | $                        | 200,906  |   |   | $ | 743,227 |   |   | $ | 372,551 |   |
| Cash paid for administrative fees and general         |   |                     |     |   |   |   |   |   |   |   |   |   |
| and administrative overhead                           |   |                     | (151,452 | ) |   |   | (74,868 | ) |   |   | (113,866 | ) |
| Interest received                                     |   |                     | 41       |   |   |   | 615 |   |   |   | 936 |   |
| Other                                                 |   |                     | 6        |   |   |   | 8 |   |   |   | 34 |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Net cash provided by operating activities             |   |                     | 49,501   |   |   |   | 668,982 |   |   |   | 259,655 |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Cash flows from financing activities:                 |   |                     |     |   |   |   |   |   |   |   |   |   |
| Distributions to partners                             |   |                     | (52,548  | ) |   |   | (667,414 | ) |   |   | (230,479 | ) |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Net (decrease) increase in cash and cash equivalents  |   |                     | (3,047   | ) |   |   | 1,568 |   |   |   | 29,176 |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Beginning of year                                     |   |                     | 49,315   |   |   |   | 47,747 |   |   |   | 18,571 |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| End of year                                           |   | $                        | 46,268   |   |   | $ | 49,315 |   |   | $ | 47,747 |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Reconciliation of net income to net cash              |   |                     |     |   |   |   |   |   |   |   |   |   |
| provided by operating activities:                     |   |                     |     |   |   |   |   |   |   |   |   |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Net income                                            |   | $                        | 79,061   |   |   | $ | 521,272 |   |   | $ | 267,363 |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Adjustments to reconcile net income to                |   |                     |     |   |   |   |   |   |   |   |   |   |
| net cash provided by operating activities:            |   |                     |     |   |   |   |   |   |   |   |   |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Depreciation, depletion and amortization              |   |                     | 27,551   |   |   |   | 23,044 |   |   |   | 21,500 |   |
| Accretion expense                                     |   |                     | 23,640   |   |   |   | 19,207 |   |   |   | 21,387 |   |
| Settlement of asset retirement obligations            |   |                     |     |   |   |   |   |   |   |   |   |   |
| for plugged and abandoned wells                       |   |                     | (5,401   | ) |   |   | (18,078 | ) |   |   | (12,960 | ) |
| (Increase) decrease in receivables and deposits       |   |                     | (37,058  | ) |   |   | 85,245 |   |   |   | (37,635 | ) |
| (Decrease) increase in payables                       |   |                     | (38,292  | ) |   |   | 38,292 |   |   |   | - |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Net cash provided by operating activities             |   | $                        | 49,501   |   |   | $ | 668,982 |   |   | $ | 259,655 |   |
|                                                  |   |                     |     |   |   |   |   |   |   |   |   |   |
| Noncash investing and financing activities:           |   |                     |     |   |   |   |   |   |   |   |   |   |
| Increase (decrease) in oil and gas properties – |   |                     |     |   |   |   |   |   |   |   |   |   |
| Asset retirement obligations                          |   | $                        | 6,312    |   |   | $ | 7,515 |   |   | $ | (196 | ) |

----

Southwest 

| 1. | Organization |
|----|--------------|

|                                      | Limited  |   | General  |
|-------------------------------------------|----------|--------|----------|
|                                      | Partners |   | Partners |
| Interest income on capital contributions  | 100%     |   | -        |
| Oil and gas sales                         | 90%      |   | 10%      |
| All other revenues                        | 90%      |   | 10%      |
| Organization and offering costs (1)       | 100%     |   | -        |
| Amortization or organization costs        | 100%     |   | -        |
| Property acquisition costs                | 100%     |   | -        |
| Gain/loss on property disposition         | 90%      |   | 10%      |
| Operating and administrative costs (2)    | 90%      |   | 10%      |
| Depreciation, depletion, and amortization |     |   |     |
|  of oil and gas properties           | 100%     |   | -        |
| All other costs                           | 90%      |   | 10%      |

|   | (1) | All organization costs in excess of 3% of initial capital contributions will be paid by the Managing General Partner and will be treated as a capital contribution.  The Partnership paid the Managing General Partner an amount equal to 3% of initial capital contributions for such organization costs. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (2) | Administrative costs in any year, which exceed 2% of capital contributions shall be paid by the Managing General Partner and will be treated as a capital contribution. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2. | Summary of Significant Accounting Policies |
|----|--------------------------------------------|

----

| 2. | Summary of Significant Accounting Policies - continued |
|----|--------------------------------------------------------|

----

| 2. | Summary of Significant Accounting Policies - continued |
|----|--------------------------------------------------------|

----

|                                                        |   | 2009   |    |   | 2008   |   |
|-------------------------------------------------------------|--------|--------|---------|--------|--------|--------|
| Beginning of year                                           |   | $      | 256,717 |   |   | $      | 248,073 |   |
| Reduction of obligations due to wells plugged and abandoned |   |   | (5,401  | )      |   |   | (18,078 | ) |
| Accretion expense                                           |   |   | 23,640  |   |   |   | 19,207 |   |
| Revisions of previous estimates                             |   |   | 6,312   |   |   |   | 7,515 |   |
| End of year                                                 |   | $      | 281,268 |   |   | $      | 256,717 |   |

| 5. | Related Party Transactions |
|----|----------------------------|

----

| 5. | Related Party Transactions - continued |
|----|----------------------------------------|

| 6. | Oil and Gas Reserves Information (unaudited) |
|----|----------------------------------------------|

| ·   | amends the definition of proved reserves to require the use of average commodity prices based upon the prior 12-month period rather than year-end prices; |
|--------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | expands the type of technologies available to establish reserve estimates and categories; |
|--------------------|-------------------------------------------------------------------------------------------|

| ·   | modifies certain definitions used in estimating proved reserves; |
|--------------------|------------------------------------------------------------------|

| ·   | permits disclosure of probable and possible reserves; and |
|--------------------|-----------------------------------------------------------|

| ·   | permits disclosure of reserves based on different price and cost criteria, such as futures prices or management forecasts. |
|--------------------|----------------------------------------------------------------------------------------------------------------------------|

|                            |   | Oil (bbls) |    |   | Gas (mcf) |   |
|---------------------------------|--------|------------|---------|--------|-----------|--------|
| Total Proved -                  |   |       |    |   |      |   |
| January 1, 2007                 |   |       | 88,000  |   |      |   | 227,000 |   |
|                            |   |       |    |   |      |   |   |   |
| Revisions of previous estimates |   |       | 32,000  |   |      |   | (12,000 | ) |
| Production                      |   |       | (9,000  | )      |      |   | (27,000 | ) |
| December 31, 2007               |   |       | 111,000 |   |      |   | 188,000 |   |
|                            |   |       |    |   |      |   |   |   |
| Revisions of previous estimates |   |       | (38,000 | )      |      |   | (46,000 | ) |
| Production                      |   |       | (10,000 | )      |      |   | (24,000 | ) |
| December 31, 2008               |   |       | 63,000  |   |      |   | 118,000 |   |
|                            |   |       |    |   |      |   |   |   |
| Revisions of previous estimates |   |       | 28,000  |   |      |   | (6,000 | ) |
| Production                      |   |       | (9,000  | )      |      |   | (19,000 | ) |
| December 31, 2009               |   |       | 82,000  |   |      |   | 93,000 |   |
|                            |   |       |    |   |      |   |   |   |

----

| 6. | Oil and Gas Reserves Information (unaudited) - continued |
|----|----------------------------------------------------------|

| Proved developed reserves - |   |   |    |   |   |   |
|-----------------------------|--------|--------|---------|--------|--------|--------|
|                        |   |   |    |   |   |   |
| December 31, 2007           |   |   | 111,000 |   |   |   | 188,000 |   |
| December 31, 2008           |   |   | 63,000  |   |   |   | 117,000 |   |
| December 31, 2009           |   |   | 82,000  |   |   |   | 93,000 |   |

----

| 6. | Oil and Gas Reserves Information (unaudited) - continued |
|----|----------------------------------------------------------|

|                                          |   | 2009   |      |   | 2008   |   |      | 2007   |   |
|-----------------------------------------------|--------|--------|-----------|--------|--------|--------|-----------|--------|--------|
| Future cash inflows                           |   | $      | 4,733,000 |   |   | $      | 3,433,000 |   |   | $ | 11,283,000 |   |
| Production, development and abandonment costs |   |   | 2,763,000 |   |   |   | 1,815,000 |   |   |   | 4,729,000 |   |
| Future net cash flows                         |   |   | 1,970,000 |   |   |   | 1,618,000 |   |   |   | 6,554,000 |   |
| 10% annual discount for                       |   |   |      |   |   |   |      |   |   |   |   |   |
| estimated timing of cash flows                |   |   | 856,000   |   |   |   | 681,000   |   |   |   | 3,129,000 |   |
| Standardized measure of                       |   |   |      |   |   |   |      |   |   |   |   |   |
| discounted future net cash flows              |   | $      | 1,114,000 |   |   | $      | 937,000   |   |   | $ | 3,425,000 |   |

|                                                   |   | 2009   |      |   | 2008   |   |       | 2007   |   |
|--------------------------------------------------------|--------|--------|-----------|--------|--------|--------|------------|--------|--------|
| Sales of oil and gas produced, net of production costs |   | $      | (243,000  | )      |   | $      | (676,000   | )      |   | $ | (423,000 | ) |
| Changes in prices and production costs                 |   |   | 28,000    |   |   |   | (1,839,000 | )      |   |   | 1,343,000 |   |
| Changes of production rates (timing) and others        |   |   | (11,000   | )      |   |   | 203,000    |   |   |   | (29,000 | ) |
| Revisions of previous quantities estimates             |   |   | 309,000   |   |   |   | (518,000   | )      |   |   | 722,000 |   |
| Accretion of discount                                  |   |   | 94,000    |   |   |   | 342,000    |   |   |   | 165,000 |   |
| Discounted future net cash flows -                     |   |   |      |   |   |   |       |   |   |   |   |   |
| Beginning of year                                      |   |   | 937,000   |   |   |   | 3,425,000  |   |   |   | 1,647,000 |   |
| End of year                                            |   | $      | 1,114,000 |   |   | $      | 937,000    |   |   | $ | 3,425,000 |   |

| 7. | Selected Quarterly Financial Results – (unaudited) |
|----|----------------------------------------------------------|

|                  |   | Quarter |    |
|-----------------------|--------|---------|---------|
|                  |   | First   |    |   | Second |   |   | Third |   |   | Fourth |   |
| 2009:                 |   |    |    |   |   |   |   |   |   |   |   |   |
| Total revenues        |   | $       | 25,525  |   |   | $ | 45,198 |   |   | $ | 65,118 |   |   | $ | 107,571 |   |
| Total expenses        |   |    | 49,140  |   |   |   | 41,093 |   |   |   | 42,225 |   |   |   | 31,893 |   |
| Net (loss) income     |   | $       | (23,615 | ) |   | $ | 4,105 |   |   | $ | 22,893 |   |   | $ | 75,678 |   |
|                  |   |    |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net (loss) income per |   |    |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| limited partners unit |   | $       | (1.96   | ) |   | $ | .26 |   |   | $ | 1.77 |   |   | $ | 5.97 |   |

|                  |   | Quarter |    |
|-----------------------|--------|---------|---------|
|                  |   | First   |    |   | Second |   |   | Third |   |   | Fourth |   |
| 2008:                 |   |    |    |   |   |   |   |   |   |   |   |   |
| Total revenues        |   | $       | 239,031 |   |   | $ | 212,281 |   |   | $ | 218,456 |   |   | $ | 6,915 |   |
| Total expenses        |   |    | 38,835  |   |   |   | 41,722 |   |   |   | 38,385 |   |   |   | 36,469 |   |
| Net income (loss)     |   | $       | 200,196 |   |   | $ | 170,559 |   |   | $ | 180,071 |   |   | $ | (29,554 | ) |
|                  |   |    |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income (loss) per |   |    |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| limited partners unit |   | $       | 15.87   |   |   | $ | 13.53 |   |   | $ | 14.28 |   |   | $ | (2.43 | ) |

----

Item 

Item 

----

Item 

----

Item 

Item 

----

Item 

Item 

Item 

| For the Year Ended December 31, |   | 2009   |   |   | 2008   |   |
|---------------------------------|--------|--------|--------|--------|--------|--------|
| Audit Fees                      |   | $      | 17,163 |   |   | $      | 18,030 |   |
| Audit Related Fees              |   |   | -      |   |   |   | - |   |
| Tax Fees                        |   |   | -      |   |   |   | - |   |
| All Other Fees                  |   |   | -      |   |   |   | - |   |
|                            |   |   |   |   |   |   |   |   |
| TOTAL                           |   | $      | 17,163 |   |   | $      | 18,030 |   |

----

Item 

| (a)    | (1)    | Financial Statements:                                                                                                                                                                                |
|--------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                 |
|   |   | Included in Part II of this report                                                                                                                                                                   |
|   |   |                                                                                                                                                                                                 |
|   |   | Report of Independent Registered Public Accounting Firm                                                                                                                                              |
|   |   | Balance Sheets                                                                                                                                                                                       |
|   |   | Statements of Operations                                                                                                                                                                             |
|   |   | Statements of Changes in Partners' Equity (Deficit)                                                                                                                                                  |
|   |   | Statements of Cash Flows                                                                                                                                                                             |
|   |   | Notes to Financial Statements                                                                                                                                                                        |
|   |   |                                                                                                                                                                                                 |
|   | (2)    | Schedules required by Article 12 of Regulation S-X are either omitted because they are not applicable or because the required information is shown in the financial statements or the notes thereto. |
|   |   |                                                                                                                                                                                                 |
|   | (3)    | Exhibits:                                                                                                                                                                                            |

| 4      | (a)    | Certificate of Limited Partnership of Southwest Royalties Institutional Income Fund X-A, L.P., dated January 29, 1990.  (Incorporated by reference from Partnership's Form 10-K for the fiscal year ended December 31, 1990.) |
|--------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                    |
|   | (b)    | Agreement of Limited Partnership of Southwest Royalties Institutional Income Fund X-A, L.P. dated January 29, 1990.  (Incorporated by reference from Partnership's Form 10-K for the fiscal year ended December 31, 1990.)    |
|   |   |                                                                                                                                                                                                                                    |
|   | 31.1   | Rule 13a-14(a)/15d-14(a) Certification                                                                                                                                                                                                  |
|   | 31.2   | Rule 13a-14(a)/15d-14(a) Certification                                                                                                                                                                                                  |
|   | 32.1   | Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002                                                           |

----

Glossary 

----

----

Signatures

|   | Southwest Royalties Institutional Income Fund |
|--------|-----------------------------------------------|
|   | X-A, L.P., a Delaware limited partnership     |
|   |                                          |
| By:    | Southwest Royalties, Inc., Managing           |
|   | General Partner                               |
|   |                                          |
|   |                                          |
| By:    | /s/ L. Paul Latham                            |
|   | L. Paul Latham                                |
|   | President and Chief Executive Officer         |
|   |                                          |
| Date:  | March 31, 2010                                |

|                                                                                                                                                    |   |                                                                                  |
|---------------------------------------------------------------------------------------------------------------------------------------------------------|--------|---------------------------------------------------------------------------------------|
| /s/ Clayton W Williams                                                                                                                                  |   | /s/ L. Paul Latham                                                                    |
| Clayton W. Williams, Chairman of the Board                                                                                                              |   | L. Paul Latham, President and a Director                                              |
| and a Director                                                                                                                                          |   |                                                                                  |
|                                                                                                                                                    |   |                                                                                  |
| Date:           March 31, 2010                                                                   |   | Date:           March 31, 2010 |
|                                                                                                                                                    |   |                                                                                  |
|                                                                                                                                                    |   |                                                                                  |
|                                                                                                                                                    |   |                                                                                  |
| /s/ Mel G. Riggs                                                                                                                                        |   |                                                                                  |
| Mel G. Riggs, Vice President – Finance,                                                                                                           |   |                                                                                  |
| Treasurer and a Director                                                                                                                                |   |                                                                                  |
|                                                                                                                                                    |   |                                                                                  |
| Date:                      March 31, 2010 |   |                                                                                  |
|                                                                                                                                                    |   |                                                                                  |
|                                                                                                                                                    |   |                                                                                  |