Diagram showing the measurements taken from the museum specimens and used in the analyses (adapted from <b>figure 1</b> in [1]).

<p>Diagram showing the measurements taken from the museum specimens and used in the analyses (adapted from <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0015665#pone-0015665-g001" target="_blank"><b>figure 1</b></a> in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0015665#pone.0015665-Nudds1" target="_blank">[1]</a>).