<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>nyse8k.txt
<TEXT>
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT


     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

       Date of Report (Date of Earliest Event Reported): September 7, 2005


                          LIFE SCIENCES RESEARCH, INC.
                         ------------------------------
             (Exact name of registrant as specified in its charter)


       Maryland                       0-33505                 52-2340150
       --------                       -------                --------------
(State or other jurisdiction    (Commission File Number)    (I.R.S. Employer
   of incorporation)                                         Identification No.)


           P.O. BOX 2360, METTLERS ROAD, EAST MILLSTONE, NJ 08875-2360
                    (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)
        REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: 732-649-9961


                                 Not Applicable
                            -------------------------
           Former name or former address, if changed since last report


Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications  pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[ ]  Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17
     CFR 240.14a-12)

[ ]  Pre-commencement  communications  pursuant  to Rule  14d-2(b)  under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement  communications  pursuant  to Rule  13e-4(c)  under the
     Exchange Act (17 CFR 240.13e-4(c))

<PAGE>


Item 3.01. Transfer of Listing.

On September 7, 2005, LSR issued a press release  announcing that its listing on
the New York Stock Exchange has been  postponed.  A copy of the press release is
attached as Exhibit 99.1.


Item 9.01. Financial Statements and Exhibits.

99.1     Press Release dated September 7, 2005


<PAGE>


                                   SIGNATURES


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


September 7, 2005                         LIFE SCIENCES RESEARCH, INC.


                                          By:      /s/ Richard Michaelson
                                          Name:    Richard A. Michaelson
                                          Title:   Chief Financial Officer


<PAGE>


                                  Exhibit Index


Exhibit No.       Description


99.1     Press Release dated September 7, 2005.

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