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<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><B><FONT SIZE=2>SECURITIES AND EXCHANGE COMMISSION</FONT></B></P>

<p style=' margin-bottom:12pt; margin-top:0pt;text-align:center;'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><b><font size=2>Washington, D.C.  20549</font></b></u><font size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font size=2>&nbsp;</font></p>

<p STYLE=' MARGIN-BOTTOM:0PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><B><FONT SIZE=2>FORM S-8</FONT></B></P>

<p STYLE=' MARGIN-BOTTOM:0PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><B><FONT SIZE=2>REGISTRATION STATEMENT UNDER</FONT></B></P>

<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><U><B><FONT SIZE=2>THE SECURITIES ACT OF 1933 </FONT></B></U><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><B><FONT SIZE=2>BIOANALYTICAL SYSTEMS, INC.</FONT></B></u><font size=1></font><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:12pt; margin-top:0pt;text-align:center;'><font size=2>(Exact Name Of Registrant As Specified In Its Charter)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:90.75pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>Indiana</font></u></p>
<p style='margin-left:0pt;text-indent:51.75pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>(State or other jurisdiction of</font></p>
<p style='margin-left:0pt;text-indent:50.25pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>incorporation or organization)</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="313" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:28.35pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><u><font size=2>35-1345024</font></u></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(I.R.S. Employer Identification No.)</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>2701 Kent Avenue</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><u><font size=2>West Lafayette, Indiana 47906</font></u></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>(Address of Principal Executive Offices)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>1997 Bioanalytical Systems, Inc.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><u><font size=2>Outside Director Stock Option Plan</font></u></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>(full title of the plan)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>Michael R. Cox</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>Vice President-Finance, Chief Financial Officer and Treasurer</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>Bioanalytical Systems, Inc.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>2701 Kent Avenue</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><u><font size=2>West Lafayette, Indiana 47906</font></u></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>(Name and address of agent for service)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><u><font size=2>(765) 463-4527</font></u></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>(Telephone number, including area code, of agent for service)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>Copies to:</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>Stephen J. Hackman</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>Ice Miller</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>One American Square, Box 82001</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>Indianapolis, Indiana  46282</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font SIZE=2>CALCULATION OF REGISTRATION FEE</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Title of Securities</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>to be Registered</font><u></u></p> </td>
        <td width="100" valign=top style='border-top:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Amount to</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>be Registered <sup><SMALL>1,</SMALL></sup><sup><SMALL>2</SMALL></sup></font></p> </td>
        <td width="137" valign=top style='border-top:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Proposed Maximum</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Offering Price Per Unit <sup><SMALL>3</SMALL></sup></font></p> </td>
        <td width="137" valign=top style='border-top:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Proposed Maximum</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Aggregate Offering Price</font></p> </td>
        <td width="109" valign=top style='border-top:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Amount of Registration Fee</font></p> </td> </tr>
    <tr style='height:22.5pt'>
        <td width="107" style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:22.5pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Common Stock</font></p> </td>
        <td width="100" style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:22.5pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>25,000 shares</font></p> </td>
        <td width="137" style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:22.5pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>$ 6.21</font></p> </td>
        <td width="137" style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:22.5pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>$ 155,250.00</font></p> </td>
        <td width="109" style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:22.5pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>$ 18.27</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'>_________________________</p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><sup><SMALL>1</SMALL></sup><font size=2>&nbsp;These are additional securities of the same class, to be offered pursuant to the same employee benefit plan as those registered pursuant to Registration No. 333-56127.  Pursuant to General Instruction E of Form S-8, this registration statement covers only the additional shares being registered.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><sup><SMALL>2</SMALL></sup><font size=2>&nbsp;Pursuant to Rule 416(c), this registration statement shall also cover any additional shares of the registrant's Common Stock which becomes issuable under the 1997 Bioanalytical Systems, Inc. Outside Director Stock Option Plan by reason of any stock dividend, stock split, recapitalization or other similar transaction without the registrant's receipt of consideration.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><sup><SMALL>3</SMALL></sup><font size=2>&nbsp;The registration fee has been calculated pursuant to Rule 457(c) and (h) based upon the average of the high and low prices reported for the Common Stock on May 16, 2005.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'>
</p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>
<pAGE>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><U><B><FONT SIZE=2>INFORMATION INCORPORATED BY REFERENCE</FONT></B></U></P>

<p style=' margin-bottom:12pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>The contents of the registrant&#146;s Registration Statement on Form S-8, File No. 333-56127, heretofore filed with the Securities and Exchange Commission pursuant to the Securities Act of 1933, as amended, are incorporated herein by reference.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'>
</p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>
<pAGE>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><U><B><FONT SIZE=2>SIGNATURES</FONT></B></U></P>

<p style=' margin-bottom:12pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned thereunto duly authorized, in the City of West Lafayette, State of Indiana, on May 19, 2005.</font></p>


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            <p style='margin-left:0pt;text-indent:0in;text-align:justify;margin-top:0pt;margin-bottom:12pt'><font size=1>&nbsp;</font></p> </td>
        <td width="349" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0in;text-align:justify;margin-top:0pt;margin-bottom:12pt'><font size=1>&nbsp;</font></p> </td> </tr>
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        <td width="199" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0in;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="349" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0in;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font SIZE=2>BIOANALYTICAL SYSTEMS, INC.</font><br> <br> <br> <font size=2>By:&nbsp;&nbsp;/s/&nbsp;&nbsp;Peter T. Kissinger<hr>
Peter T. Kissinger, President and<BR>
Chief Executive Officer</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'>
</p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>
<pAGE>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><U><B><FONT SIZE=2>POWER OF ATTORNEY</FONT></B></U></P>

<p style=' margin-bottom:12pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Know all men by these presents, that each person whose signature appears below constitutes and appoints Peter T. Kissinger, his true and lawful attorneys-in-fact and agents with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments to this Registration Statement, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto those attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that those attorneys-in-fact and agents, or their substitutes, may do or cause to be done by virtue hereof.</font></p>

<p style=' margin-bottom:12pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities indicated on May 19, 2005.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


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&nbsp;&nbsp;/s/&nbsp;&nbsp;Peter T. Kissinger<hr width=250 align=left noshade>
Peter T. Kissinger
</FONT></TD>
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
President, Chief Executive Officer,<BR>
and Chairman (Principal Executive Officer)</FONT></TD>
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&nbsp;&nbsp;/s/&nbsp;&nbsp;Michael R. Cox<hr width=250 align=left noshade>
Michael R. Cox
</FONT></TD>
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Vice President-Finance and Chief Financial Officer<BR>
(Principal Financial Officer and Principal Accounting Officer)</FONT></TD>
</TR>
</TABLE>
<BR>
<BR>


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&nbsp;&nbsp;/s/&nbsp;&nbsp;Candice B. Kissinger<hr width=250 align=left noshade>
Candice B. Kissinger
</FONT></TD>
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Director</FONT></TD>
</TR>
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<BR>
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&nbsp;&nbsp;/s/&nbsp;&nbsp;William E. Baitinger<hr width=250 align=left noshade>
William E. Baitinger
</FONT></TD>
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Director</FONT></TD>
</TR>
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<BR>
<BR>


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&nbsp;&nbsp;&nbsp;&nbsp;<hr width=250 align=left noshade>
Leslie B. Daniels
</FONT></TD>
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Director</FONT></TD>
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<BR>
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&nbsp;&nbsp;&nbsp;&nbsp;<hr width=250 align=left noshade>
Gayl W. Doster
</FONT></TD>
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Director</FONT></TD>
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&nbsp;&nbsp;/s/&nbsp;&nbsp;David W. Crabb<hr width=250 align=left noshade>
David W. Crabb
</FONT></TD>
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Director</FONT></TD>
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<BR>
<BR>


<pAGE>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><B><FONT SIZE=2>BIOANALYTICAL SYSTEMS, INC.</FONT></B></P>

<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><B><FONT SIZE=2>FORM S-8</FONT></B></P>

<p STYLE=' MARGIN-BOTTOM:12PT; MARGIN-TOP:0PT;TEXT-ALIGN:CENTER;'><B><FONT SIZE=2>INDEX TO EXHIBITS</FONT></B></P>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=2>Exhibit Number</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Assigned in</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Regulation S-K</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=2>Item 601</font><u></u></p>  </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=2>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><u><font size=2>Description of Exhibit</font></u></p>  </td> </tr>
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        <td  colspan="2" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=2>(5)</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: left;margin-top:0pt;margin-bottom:0in'><font size=2>5.01</font></p>  </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Opinion of Ice Miller as to the legality of the securities being registered and consent to use of this opinion in this registration statement</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: left;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=2>(23)</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: left;margin-top:0pt;margin-bottom:0in'><font size=2>23.01</font></p>  </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Ernst &amp; Young LLP</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: left;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: left;margin-top:0pt;margin-bottom:0in'><font size=2>23.02</font></p>  </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of KPMG LLP</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>23.03</font></p> </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Ice Miller (included in Exhibit 5.01)</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr style='height:1.0pt'>
        <td width="72" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align: center;margin-top:0pt;margin-bottom:0in'><font size=2>(24)</font></p>  </td>
        <td width="60" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>24.01</font></p> </td>
        <td width="475" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:1.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Power of Attorney (incorporated by reference to the signature page of this registration statement)</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'>&nbsp;</p>



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{"company-data": {"conformed-name": "BIOANALYTICAL SYSTEMS INC", "cik": "0000720154", "assigned-sic": "8731", "irs-number": "351345024", "state-of-incorporation": "IN", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-125078", "film-number": "05845638"}, "business-address": {"street1": "2701 KENT AVE", "city": "WEST LAFAYETT", "state": "IN", "zip": "47906-1382", "phone": "3174634527"}, "mail-address": {"street1": "2701 KENT AVENUE", "city": "WEST LAFAYETTE", "state": "IN", "zip": "47906-1382"}}
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549
FORM S-8
REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933
BIOANALYTICAL SYSTEMS, INC.
(Exact Name Of Registrant As Specified In Its Charter)
Indiana
(State or other jurisdiction of
incorporation or organization)
35-1345024
(I.R.S. Employer Identification No.)
2701 Kent Avenue
West Lafayette, Indiana 47906
(Address of Principal Executive Offices)
1997 Bioanalytical Systems, Inc.
Outside Director Stock Option Plan
(full title of the plan)
Michael R. Cox
Vice President-Finance, Chief Financial Officer and Treasurer
Bioanalytical Systems, Inc.
2701 Kent Avenue
West Lafayette, Indiana 47906
(Name and address of agent for service)
(765) 463-4527
(Telephone number, including area code, of agent for service)
Copies to:
Stephen J. Hackman
Ice Miller
One American Square, Box 82001
Indianapolis, Indiana  46282
CALCULATION OF REGISTRATION FEE
Title of Securities
to be Registered
Amount to
be Registered
1,
2
Proposed Maximum
Offering Price Per Unit
3
Proposed Maximum
Aggregate Offering Price
Amount of Registration Fee
Common Stock
25,000 shares
$ 6.21
$ 155,250.00
$ 18.27
_________________________
1
These are additional securities of the same class, to be offered pursuant to the same employee benefit plan as those registered pursuant to Registration No. 333-56127.  Pursuant to General Instruction E of Form S-8, this registration statement covers only the additional shares being registered.
2
Pursuant to Rule 416(c), this registration statement shall also cover any additional shares of the registrant's Common Stock which becomes issuable under the 1997 Bioanalytical Systems, Inc. Outside Director Stock Option Plan by reason of any stock dividend, stock split, recapitalization or other similar transaction without the registrant's receipt of consideration.
3
The registration fee has been calculated pursuant to Rule 457(c) and (h) based upon the average of the high and low prices reported for the Common Stock on May 16, 2005.
INFORMATION INCORPORATED BY REFERENCE
The contents of the registrant's Registration Statement on Form S-8, File No. 333-56127, heretofore filed with the Securities and Exchange Commission pursuant to the Securities Act of 1933, as amended, are incorporated herein by reference.
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned thereunto duly authorized, in the City of West Lafayette, State of Indiana, on May 19, 2005.
BIOANALYTICAL SYSTEMS, INC.
By:  /s/  Peter T. Kissinger
Peter T. Kissinger, President and
Chief Executive Officer
POWER OF ATTORNEY
Know all men by these presents, that each person whose signature appears below constitutes and appoints Peter T. Kissinger, his true and lawful attorneys-in-fact and agents with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments to this Registration Statement, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto those attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that those attorneys-in-fact and agents, or their substitutes, may do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities indicated on May 19, 2005.
/s/  Peter T. Kissinger
Peter T. Kissinger
President, Chief Executive Officer,
and Chairman (Principal Executive Officer)
/s/  Michael R. Cox
Michael R. Cox
Vice President-Finance and Chief Financial Officer
(Principal Financial Officer and Principal Accounting Officer)
/s/  Candice B. Kissinger
Candice B. Kissinger
Director
/s/  William E. Baitinger
William E. Baitinger
Director
Leslie B. Daniels
Director
Gayl W. Doster
Director
/s/  David W. Crabb
David W. Crabb
Director
BIOANALYTICAL SYSTEMS, INC.
FORM S-8
INDEX TO EXHIBITS
Exhibit Number
Assigned in
Regulation S-K
Item 601
Description of Exhibit
(5)
5.01
Opinion of Ice Miller as to the legality of the securities being registered and consent to use of this opinion in this registration statement
(23)
23.01
Consent of Ernst & Young LLP
23.02
Consent of KPMG LLP
23.03
Consent of Ice Miller (included in Exhibit 5.01)
(24)
24.01
Power of Attorney (incorporated by reference to the signature page of this registration statement)