<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:arial,sans-serif">On Thu, Oct 8, 2015 at 10:29 PM, rex </span><span dir="ltr" style="font-family:arial,sans-serif"><<a href="mailto:rex@nosyntax.net" target="_blank">rex@nosyntax.net</a>></span><span style="font-family:arial,sans-serif"> wrote:</span><br></div><div class="gmail_extra"><div class="gmail_quote"><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span style="font-size:12.8px"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">​> ​</div>There are many examples of semi-cyclic population levels, but extinctions?</span></blockquote><div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">​There are vastly more examples of extinctions than there are of ​</div><span style="font-size:12.8px">semi-cyclic population levels<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">​.</div></span></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"><br></div></span></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"> John K Clark​</div></span></div><div class="gmail_quote"><br></div></div></div>