<![CDATA[
<HTML>
<TITLE> Benthic Macroinvertebrate Page
</TITLE>
</HEAD>
<BODY bgcolor="#ffffff" text="#00009c" link="#009000" vlink="#00009c">
<CENTER>
<BR>
<IMG SRC="intro-bugs-rocks.jpg" height=130 border=3>
<BR><BR>
<CENTER><TABLE BORDER=5 BORDERCOLOR="#ffffff" cellpadding ="5" >
<TR>
<TD COLSPAN=3>
<BR><BR>
<CENTER></CENTER>
<TD><CENTER><A
HREF="sensitiv.htm">Indicators of
Good
<BR>Water Quality</A>
<P>
<IMG SRC="good2.jpg" width=135></CENTER></P>
</TD>
<TD><CENTER><A HREF="intermed.htm">Indicators of
Modera$
<BR>Water Quality</A>
<P>
<IMG SRC="atherix2.jpg" width=135></CENTER></P>
</TD>
<TD><CENTER><A HREF="tolerant.htm">Indicators of
Poor
<BR>Water Quality</A>
<P>
<IMG SRC="poor2.jpg" width=135></CENTER></P>
</TD>
</CENTER>
<BR>
<TABLE BORDER=0 CELLPADDING="4">
<TR>
<TH>
</A></TH>
<TH>
<A HREF="orderkey.htm"><BR>Identification Key<BR><BR></A></TH>
<TH>
<A HREF="glossary.htm"><BR>Glossary <BR><BR></A></TH>
<TH>
<A HREF="biomonitor.htm"><FONT color="#00009c">
<BR>Biomonitoring<BR><BR>
</A></TH>
</FONT>
<TH><A HREF="about.htm"><BR> About This Page<BR><BR></A></TH>
</TR>
</TABLE>
</CENTER>
</BODY>
</HTML>
]]>