EXHIBIT 3.18

ARGOSY OF LOUISIANA, INC.
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B Y    L A W S
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ARTICLE I

OFFICES

     Section 1. The registered office shall be located in the city of Baton Rouge, Parish of East Baton Rouge, State of Louisiana.

     Section 2. The corporation may also have offices at such other places both within and without the state of Louisiana as the Board of Directors may from time to time determine or the business of the corporation may require.

ARTICLE II

ANNUAL MEETINGS OF SHAREHOLDERS

     Section 1. All meetings of shareholders for the election of directors shall be held at such place within or without the State of Louisiana as shall be designated from time to time by the Board of Directors and stated in the notice of the meetings.

     Section 2. Annual meetings of shareholders, commencing with the year 1994, shall be held on such date as shall be designated from time to time by the Board of Directors and stated in the notice of the meeting.

     Section 3. Written or printed notice of the annual meeting stating the place, day and hour of the meeting shall be

delivered not less than 10 nor more than 60 days before the date of the meeting, either personally or by mail, by or at the direction of the president, or the secretary, or the officer or persons calling the meeting, to each shareholder of record entitled to vote at such meeting. The purpose need not be stated in the notice.

ARTICLE III

SPECIAL MEETINGS OF SHAREHOLDERS

     Section 1. Special meetings of Shareholders for any purpose other than the election of directors may be held at such time and place within or without the State of Louisiana as shall be stated in the notice of the meeting or in a duly executed waiver of notice thereof.

     Section 2. Special meetings of the shareholders, for any purpose or purposes, unless otherwise prescribed by statute or by the articles of incorporation, may be called by the president, the Board of Directors, or the holders of not less than 25% of all the shares entitled to vote at the meeting.

     Section 3. Written or printed notice of a special meeting stating the place, day and hour of the meeting, shall be delivered not less than 10 nor more than 60 days before the date of the meeting, either personally or by mail, by or at the direction of the president, or the secretary, or the officer or persons calling the meeting, to each shareholder of record entitled to vote at such meeting.

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ARTICLE IV

QUORUM AND VOTING OF STOCK

     Section 1. The holders of a majority of the shares of stock issued and outstanding and entitled to vote, represented in person or by proxy, shall constitute a quorum at all meetings of the shareholders for the transaction of business except as otherwise provided by statute or by the articles of incorporation. If, however, such quorum shall not be present or represented at any meeting of the shareholders, the shareholders present in person or represented by proxy shall have power to adjourn the meeting from time to time, without notice other than announcement at the meeting, until a quorum shall be present or represented. At such adjourned meeting at which a quorum shall be present or represented any business may be transacted which might have been transacted at the meeting as originally notified. In the case of any meeting called for the election of directors, those who attend the second of such adjourned meetings, although less than a quorum as fixed herein, shall nevertheless constitute a quorum for the purpose of electing directors.

     Section 2. If a quorum is present, the affirmative vote of a majority of the shares of stock represented at the meeting shall be the act of the shareholders unless the vote of a greater number of shares of stock is required by law or the articles of incorporation.

     Section 3. Each outstanding share of stock, having voting power, shall be entitled to one vote on each matter submitted to a

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vote at a meeting of shareholders. A shareholder may vote either in person or by proxy executed in writing by the shareholder or by his duly authorized attorney-in-fact.

     Section 4. Any action required to be taken at a meeting of the shareholders may be taken without a meeting if a consent in writing, setting forth the action so taken, shall be signed by all of the shareholders entitled to vote with respect to the subject matter thereof.

     If the articles of incorporation provide that a consent may be signed by fewer than all of the shareholders having voting power on any question, then the consent need be signed only by shareholders holding that proportion of the total voting power on the question which is required by the articles of incorporation or by law, whichever requirement is higher. The consent, together with a certificate by the secretary of the corporation to the effect that the subscribers to the consent constitute all or the required proportion of the shareholders entitled to vote on the particular question, shall be filed with the records of proceedings of the shareholders. If the consent is signed by fewer than all of the shareholders having voting power on the question, prompt notice shall be given to all of the shareholders of the action taken pursuant to the consent.

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ARTICLE V

DIRECTORS

     Section 1. The number of directors shall be between one (1) and ten (10) as determined from time to time by the Board of Directors. Directors need not be residents of the State of Louisiana nor shareholders of the corporation. The directors, other than the first Board of Directors, shall be elected at the annual meeting of the shareholders, and each director elected shall serve until the next succeeding annual meeting and until his successor shall have been elected and qualified. The first Board of Directors shall hold office until the first annual meeting of shareholders.

     Section 2. Vacancies and newly created directorships resulting from any increase in the number of directors may be filled by election at an annual meeting or at a special meeting of shareholders called for that purpose. A director elected to fill a vacancy, or a newly created directorship, shall hold office until the next succeeding annual meeting of shareholders and until his successor shall have been elected and qualified.

     In addition vacancies and newly created directorships resulting from any increase in the number of directors may be filled by a majority of the directors then in office, though less than a quorum, and the directors so chosen shall hold office until the next annual election and until their successors are duly elected and shall qualify.

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     Section 3. The business affairs of the corporation shall be managed by its Board of Directors which may exercise all such powers of the corporation and do all such lawful acts and things as are not by statute or by the articles of incorporation or by these by-laws directed or required to be exercised or done by the shareholders.

     Section 4. The directors may keep the books of the corporation, except such as are required by law to be kept within the state, outside of the State of Louisiana, at such place or places as they may from time to time determine.

     Section 5. The Board of Directors, by the affirmative vote of a majority of the directors then in office, and irrespective of any personal interest of any of its members, shall have authority to establish reasonable compensation of all directors for services to the corporation as directors, officers or otherwise.

     ARTICLE VI

MEETINGS OF THE BOARD OF DIRECTORS

     Section 1. Meetings of the Board of Directors, regular or special, may be held either within or without the State of Louisiana.

     Section 2. The first meeting of each newly elected Board of Directors shall be held at such time and place as shall be fixed by the vote of the shareholders at the annual meeting and no notice of such meeting shall be necessary to the newly elected directors

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in order legally to constitute the meeting, provided a quorum shall be present, or it may convene at such place and time as shall be fixed by the consent in writing of all the directors.

     Section 3. Regular meetings of the Board of Directors may be held upon such notice, or without notice, and at such time and at such place as shall from time to time be determined by the board.

     Section 4. Special meetings of the Board of Directors may be called by the president on 10 days’ notice to each director, either personally or by mail or by telegram; special meetings shall be called by the president or secretary in like manner and on like notice on the written request of one or more directors.

     Section 5. Attendance of a director at any meeting shall constitute a waiver of notice of such meeting, except where a director attends for the express purpose of objecting to the transaction of any business because the meeting is not lawfully called or convened. Neither the business to be transacted at, nor the purpose of, any regular or special meeting of the Board of Directors need be specified in the notice or waiver of notice of such meeting.

     Section 6. A majority of the directors shall constitute a quorum for the transaction of business unless a greater number is required by law or by the articles of incorporation. The act of a majority of the directors present at any meeting at which a quorum is present shall be the act of the Board of Directors, unless the act of a greater number is required by statute or by the articles

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of incorporation. If a quorum shall not be present at any meeting of directors, the directors present thereat may adjourn the meeting from time to time, without notice other than announcement at the meeting, until a quorum shall be present.

     Section 7. Any action required or permitted to be taken at a meeting of the directors may be taken without a meeting if a consent in writing, setting forth the action so taken, shall be signed by all of the directors entitled to vote with respect to the subject matter thereof.

     Section 8. Unless otherwise restricted by the articles of incorporation or these by-laws, members of the Board of Directors may participate in a meeting of the Board of Directors, by means of conference telephone or similar communications equipment provided all persons participating in the meeting can hear and communicate with each other, and such participation in a meeting shall constitute presence in person at the meeting, except where a person participates in the meeting for the express purpose of objecting to the transaction of any business on the grounds that the meeting is not lawfully called or convened.

     PROXY VOTE BY DIRECTORS

     Section 9. Any director absent from a meeting may be represented by any other director or shareholder, who may cast the vote of the absent director according to the written instructions, general or special, of said absent director, filed with the secretary.

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ARTICLE VII

EXECUTIVE COMMITTEE

     Section 1. The Board of Directors, by resolution adopted by a majority of the number of directors fixed by the by-laws or otherwise, may designate two or more directors to constitute an executive committee, which committee, to the extent provided in such resolution, shall have and exercise all of the authority of the Board of Directors in the management of the corporation, except as otherwise required by law. Vacancies in the membership of the committee shall be filled by the Board of Directors at a regular or special meeting of the Board of Directors. The executive committee shall keep regular minutes of its proceedings and report the same to the board when required.

ARTICLE VIII

NOTICES

     Section 1. Whenever, under the provisions of the statutes or of the articles of incorporation or of these by-laws, notice is required to be given to any director or shareholder, it shall not be construed to mean personal notice, but such notice may be given in writing, by mail, addressed to such director or shareholder, at his address as it appears on the records of the corporation, with postage thereon prepaid, and such notice shall be deemed to be given at the tine when the same shall be deposited in the United States mail. Notice to directors may also be given by telegram.

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     Section 2. Whenever any notice whatever is required to be given under the provisions of the statutes or under the provisions of the articles of incorporation or these by-laws, a waiver thereof in writing signed by the person or persons entitled to such notice, whether before or after the time stated therein, shall be deemed equivalent to the giving of such notice.

ARTICLE IX

OFFICERS

     Section 1. The officers of the corporation shall be chosen by the Board of Directors and shall be a president, a vice-president, a secretary and a treasurer. The Board of Directors may also choose additional vice-presidents, and one or more assistant secretaries and assistant treasurers.

     Section 2. The Board of Directors at its first meeting after each annual meeting of shareholders shall choose a president, one or more vice-presidents, a secretary and a treasurer, none of whom need be a member of the board.

     Section 3. The Board of Directors may appoint such other officers and agents as it shall deem necessary who shall hold their offices for such terms and shall exercise such powers and perform such duties as shall be determined from time to time by the Board of Directors.

     Section 4. The salaries of all officers and agents of the corporation shall be fixed by the Board of Directors.

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     Section 5. The officers of the corporation shall hold office until their successors are chosen and qualify. Any officer elected or appointed by the Board of Directors may be removed at any time by the affirmative vote of a majority of the Board of Directors. Any vacancy occurring in any office of the corporation shall be filled by the Board of Directors.

THE PRESIDENT

     Section 6. The president shall be the chief executive officer of the corporation, shall preside at all meetings of the shareholders and the Board of Directors, shall have general and active management of the business of the corporation and shall see that all orders and resolutions of the Board of Directors are carried into effect.

     Section 7. The president shall execute bonds, mortgages and other contracts requiring a seal, under the seal of the corporation, except where required or permitted by law to be otherwise signed and executed and except where the signing and execution thereof shall be expressly delegated by the Board of Directors to some other officer or agent of the corporation.

THE VICE-PRESIDENTS

     Section 8. The vice-president, or if there shall be more than one, the vice-presidents in the order determined by the Board of Directors, shall, in the absence or disability of the president, perform the duties and exercise the powers of the president and

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shall perform such other duties and have such other powers as the Board of Directors may from time to time prescribe.

THE SECRETARY AND ASSISTANT SECRETARIES

     Section 9. The secretary shall attend all meetings of the Board of Directors and all meetings of the shareholders and record all the proceedings of the meetings of the corporation and of the Board of Directors in a book to be kept for that purpose and shall perform like duties for the standing committees when required. The secretary shall give, or cause to be given, notice of all meetings of the shareholders and special meetings of the Board of Directors, and shall perform such other duties as may be prescribed by the Board of Directors or president, under whose supervision the secretaries shall be. The secretary shall have custody of the corporate seal of the corporation and the secretary or an assistant secretary, shall have authority to affix the same to any instrument requiring it and when so affixed, it may be attested by the secretaries signature or by the signature of such assistant secretary. The Board of Directors may give general authority to any other officer to affix the seal of the corporation and to attest the affixing by her signature.

     Section 10. The assistant secretary, or if there be more than one, the assistant secretaries in the order determined by the Board of Directors, shall, in the absence or disability of the secretary, perform the duties and exercise the powers of the

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secretary and shall perform such other duties and have such other powers as the Board of Directors may from time to time prescribe.

THE TREASURER AND ASSISTANT TREASURERS

     Section 11. The treasurer shall have the custody of the corporate funds and securities and shall keep full and accurate accounts of receipts and disbursements in books belonging to the corporation and shall deposit all moneys and other valuable effects in the name and to the credit of the corporation in such depositories as may be designated by the Board of Directors.

     Section 12. The treasurer shall disburse the funds of the corporation as may be ordered by the Board of Directors, taking proper vouchers for such disbursements and shall render to the president and the Board of Directors, at its regular meetings, or when the Board of Directors so requires, an account of all the treasurers transactions as treasurer and of the financial condition of the corporation.

     Section 13. If required by the Board of Directors, the treasurer shall give the corporation a bond in such sum and with such surety or sureties as shall be satisfactory to the Board of Directors for the faithful performance of the duties of the treasurers office and for the restoration to the corporations in case of the treasurers death, resignation, retirement or removal from office, of all books, papers, vouchers, money and other property of whatever kind in his possession or under his control belonging to the corporation.

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     Section 14. The assistant treasurer, or, if there shall be more than one, the assistant treasurers in the order determined by the Board of Directors, shall, in the absence or disability of the treasurer, perform the duties and exercise the powers of the treasurer and shall perform such other duties and have such other powers as the Board of Directors may from time to time prescribe.

ARTICLE X

CERTIFICATES FOR SHARES

     Section 1. The shares of the corporation shall be represented by certificates signed by the president or a vice-president and the secretary or an assistant secretary of the corporation, and may be sealed with the seal of the corporation or a facsimile thereof.

     When the corporation is authorized to issue shares of more than one class there shall be set forth upon the face or back of the certificate, or the certificate shall have a statement that the corporation will furnish to any shareholder upon request and without charge, a full or summary statement of the designations, preferences, limitations, and relative rights of the shares of each class authorized to be issued and, if the corporation is authorized to issue any preferred or special class in series, the variations in the relative rights and preferences between the shares of each such series so far as the same have been fixed and determined and the authority of the Board of Directors to fix and determine the relative rights and preferences of subsequent series.

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     Section 2. The signatures of the officers of the corporation upon a certificate may be facsimiles if the certificate is countersigned by a transfer agent, or registered by a registrar, other than the corporation itself or an employee of the corporation. In case any officer who has signed or whose facsimile signature has been placed upon such certificate shall have ceased to be such officer before such certificate is issued, it may be issued by the corporation with the same effect as if he were such officer at the date of its issue.

LOST CERTIFICATES

     Section 3. The Board of Directors may direct a new certificate to be issued in place of any certificate theretofore issued by the corporation alleged to have been lost or destroyed. When authorizing such issue of a new certificate, the Board of Directors, in its discretion and as a condition precedent to the issuance thereof, may prescribe such terms and conditions as it deems expedient, and may require such indemnities as it deems adequate, to protect the corporation from any claim that may be made against it with respect to any such certificate alleged to have been lost or destroyed.

TRANSFERS OF SHARES

     Section 4. Upon surrender to the corporation or the transfer agent of the corporation of a certificate representing shares duly endorsed or accompanied by proper evidence of

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succession, assignment or authority to transfer, a new certificate shall be issued to the person entitled thereto, and the old certificate cancelled and the transaction recorded upon the books of the corporation.

FIXING RECORD DATE

     Section 5. For the purpose of determining shareholders entitled to notice of and to vote at a meeting, or to receive a dividend, or to receive or exercise subscription or other rights, or to participate in a reclassification of stock, or in order to make a determination of shareholders for any other proper purpose, the Board of Directors may fix in advance a record date for determination of shareholders for such purpose, such date to be not more than sixty days and, if fixed for the purpose of determining shareholders entitled to notice of and to vote at a meeting, not less than ten days, prior to the date on which the action requiring the determination of shareholders is to be taken.

REGISTERED SHAREHOLDERS

     Section 6. The corporation shall be entitled to recognize the exclusive right of a person registered on its books as the owner of shares to receive dividends, and to vote as such owner, and to hold liable for calls and assessments a person registered on its books as the owner of shares, and shall not be bound to recognize any equitable or other claim to or interest in such share or shares on the part of any other person, whether or not it shall

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have express or other notice thereof, except as otherwise provided by the laws of Louisiana.

ARTICLE XI

GENERAL PROVISIONS

DIVIDENDS

     Section 1. Subject to the provisions of the articles of incorporation relating thereto, if any, dividends may be declared by the Board of Directors at any regular or special meeting, pursuant to law. Dividends may be paid in cash, in property or in shares of the capital stock, subject to any provisions of the articles of incorporation.

     Section 2. Before payment of any dividend, there may be set aside out of any funds of the corporation available for dividends such sum or sums as the directors from time to time, in their absolute discretion, think proper as a reserve fund to meet contingencies, or for equalizing dividends, or for repairing or maintaining any property of the corporation, or for such other purpose as the directors shall think conducive to the interest of the corporation, and the directors may modify or abolish any such reserve in the manner in which it was created.

CHECKS

     Section 3. All checks or demands for money and notes of the corporation shall be signed by such officer or officers or such

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other person or persons as the Board of Directors may from time to time designate.

ARTICLE XII

AMENDMENTS

     Section 1. These by-laws may be altered, amended, or repealed or new by-laws may be adopted by the affirmative vote of a majority of the Board of Directors at any regular or special meeting of the board.

     The shareholders shall have the right to change or repeal any by-laws adopted by the directors.

ARTICLE XIII

INDEMNIFICATION OF OFFICERS,

DIRECTORS, EMPLOYEES AND AGENTS

     SECTION 1. The corporation shall indemnify any person who has or is a party or is threatened to be made a party to any threatened, pending or completed action, suite or proceeding, whether civil, criminal, administrative or investigative (other than an action by or in the right of the corporation) by reason of the fact that such person is or was a director, officer, employee or agent of the corporation, or who is or was serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, against expenses (including attorneys’ fees), judgments, fines and amounts paid in settlement actually and

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reasonably incurred by such person in connection with such action, suit or proceeding, if such person acted in good faith and in a manner he reasonably believed to be in or not opposed to the best interests of the corporation, and, with respect to any criminal action or proceeding, had no reasonable cause to believe his or her conduct was unlawful. The termination of any action, suite or proceeding by judgment order, settlement, conviction or upon a plea of nolo contendere or its equivalent, shall not, of itself, create a presumption that the person did not act in good faith and in a manner which he or she reasonably believe to be in or not opposed to the best interest of the corporation, or with respect to any criminal action or proceeding, that the person had reasonable cause to believe that his conduct was unlawful.

     SECTION 2. The corporation shall indemnify any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action or suit by or in the right of the corporation to procure a judgment in its favor by reason of the fact that such person is or was a director, officer, employee or agent of the corporation, or is or was serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise against expenses (including attorneys’ fees) actually and reasonably incurred by such person in connection with the good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of the corporation and except that no indemnification shall be made in respect of any claim, issue or

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matter as to which such person shall have been adjudged to be liable for negligence or misconduct in the performance of his duty to the corporation unless and only to the extent that the court in which such action or suit was brought shall determine upon application that despite the adjudication of liability but in view of all the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the court shall deem proper.

     SECTION 3. To the extent that a director, officer, employee or agent of a corporation has been successful, on the merits or otherwise, in the defense of any action, suit or proceeding referred to in Sections 1 and 2 hereof, or in defense of any claim, issue or matter therein, such person shall be indemnified against expenses (including attorneys’ fees) actually and reasonably incurred by such person in connection therewith.

     SECTION 4. Any indemnification under Sections 1 and 2 hereof unless ordered by a court) shall be made by the corporation only as authorized in the specific case upon a determination that indemnification of the director, officer, employee or agent is proper in the circumstances because he or she has met the applicable standard of conduct set forth in Sections 1 and 2 hereof. Such determination shall be made (a) by the board of directors by a majority vote of a quorum consisting of directors who were not parties to such action, suit or proceeding, or (b) if such a quorum is not obtainable, or, even if obtainable, a quorum

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of disinterested directors so directs, by independent legal counsel in a written opinion, or (c) by the shareholders.

     SECTION 5. Expenses incurred in defending a civil or criminal action, suit or proceeding may be paid by the corporation in advance of the final disposition of such action, suit or proceeding as authorized by the board of directors in the specific case, upon receipt of an undertaking by or on behalf of the director, officer, employee or agent to repay such amount, unless it shall ultimately be determined that he or she is entitled to be indemnified by the corporation as authorized in this article.

     SECTION 6. The indemnification provided by this article shall not be deemed exclusive of any other rights to which those seeking indemnification may be entitled under any by-law, agreement vote of shareholders or disinterested directors or otherwise, both as to action in his or her official capacity and as to action in another capacity while holding such office, and shall continue as to a person who has ceased to be director, officer, employee or agent and shall inure to be the benefit of the heirs, executors and administrators of such person.

     SECTION 7. The corporation shall have power to purchase and maintain insurance on behalf of any person who is or was a director, officer, employee or agent of the corporation, or is or was serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise against any liability asserted against such person and incurred by such person in any

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such capacity, or arising out of his or her status as such, whether or not the corporation would have the power to indemnify such person against such liability under the provisions of these sections.

     SECTION 8. If the corporation has paid indemnity or has advanced expenses to a director, officer, employee or agent, the corporation shall report the indemnification or advance in writing to the shareholders with or before the notice of the next shareholders’ meeting.

     SECTION 9. For purposes of this Section, referenced to “the corporation” shall include, in addition to the surviving corporation, any merging corporation (including any corporation having merged with a merging corporation) absorbed in a merger which, if its separate existence had continued, would have had the power and authority to indemnify its directors, officers, and employees or agents, so that any person who was a director, officer, employee or agent of such merging corporation, or was serving at the request of such merging corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, shall stand in the same position under the provisions of the Section with respect to the surviving corporation as such person would have with respect to such merging corporation if its separate existence had continued.

     SECTION 10. For purposes of this Section, references to “other enterprises” shall include employee benefit plans; referenced to “fines” shall include any excise taxes assessed on a

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person with respect to an employee benefit plan; and reference to “serving at the request of the corporation” shall include any service as director, officer, employee or agent of the corporation which imposes duties on, or involves services by such director, officer, employee, or agent with respect to an employee benefit plan, its participants, or beneficiaries. A person who acted in good faith and in a manner he or she reasonably believed to be in the best interests of the participants and beneficiaries of an employee benefit plan shall be deemed to have acted in a manner “not opposed to the best interest of the corporation” as referred to in this Section.

ARTICLE XIV

AMENDMENTS

     Section 2. Unless the power to make, alter, amend or repeal the by-laws is reserved to the shareholders by the articles of incorporation, the by-laws of the corporation may be made, altered, amended or repealed by the shareholders or the Board of Directors, but no by-laws adopted by the shareholders may be altered, amended or repealed by the Board of Directors if the by-laws so provide. The by-laws may contain any provisions for the regulation and management of the affairs of the corporation not inconsistent with laws or the articles of incorporation.

Document Number: 36802

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