<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0034-7744</journal-id>
<journal-title><![CDATA[Revista de Biología Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. biol. trop]]></abbrev-journal-title>
<issn>0034-7744</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-77442010000600022</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Narcinidae rayas eléctricas]]></article-title>
</title-group>
<aff id="A">
<institution><![CDATA[,  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2010</year>
</pub-date>
<volume>58</volume>
<fpage>18</fpage>
<lpage>19</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0034-77442010000600022&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0034-77442010000600022&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0034-77442010000600022&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front><body><![CDATA[  <b><font face="Verdana" size="4">     <p align="center">Narcinidae rayas el&eacute;ctricas</p> </font></b>     <p style="text-align: justify;"><b><i><font face="Verdana" size="2">Diplobatis colombiensis,</font></i></b><font face="Verdana" size="2"> torpedo colombiano &#8211; Margen del disco grueso y suave; superficie dorsal color canela con manchas caf&eacute;s semejantes a un di&aacute;metro orbital (McEachran &amp; Carvalho 2002).    <br> </font></p>     <div style="text-align: justify;"></div>     <p style="text-align: justify;"><font face="Verdana" size="2">    <br> </font></p>     <p><font face="Verdana" size="2">    <br> </font></p>     <div style="text-align: center;"><img src="/img/revistas/rbt/v58s2/a17i1.jpg" title=""  alt="" style="width: 463px; height: 195px;">    ]]></body>
<body><![CDATA[<br>     <br> </div>     <p style="text-align: justify;"><font face="Verdana" size="2"><b><i>Narcine bancroftii,</i></b> raya el&eacute;ctrica torpedo &#8211; Margen del disco grueso y suave; disco ovalado a redondo, tan ancho como largo, color canela o gris con manchas m&aacute;s oscuras (McEachran &amp; Carvalho 2002).    <br> </font></p>     <div style="text-align: justify;"></div>     <p style="text-align: justify;"><font face="Verdana" size="2">    <br> </font></p>     <p style="text-align: center;"><font face="Verdana" size="2">    <br> </font></p>     <p style="text-align: center;"><font face="Verdana" size="2"><img  src="/img/revistas/rbt/v58s2/a17i2.jpg" title="" alt=""  style="width: 419px; height: 227px;">    ]]></body>
<body><![CDATA[<br> </font></p>      ]]></body>
</article>
