We have seen in the last chapter that whole groups of species sometimes falsely appear to have been abruptly developed; and I have attempted to give an explanation of this fact, which if true would be fatal to my views.
Azken kapituluan ikusi dugu espezie talde osoek bat-batean garatu direla ematen dutela; eta saiatu naiz egitate honi azalpen bat ematen, izan ere, egia balitz, nire eritzien hondagarri litzateke eta.