If the conditions had gone on, however slowly, becoming less and less favourable, we assuredly should not have perceived the fact, yet the fossil horse would certainly have become rarer and rarer, and finally extinct-its place being seized on by some more successful competitor.
Baldintzak, astiro izanik ere, gero eta desfaboragarriago bilakatuz joanez gero, gu ez ginatekeen nonbait konturatu, baina zaldi fosila gero eta bakanago bihurtu zatekeen, eta azkenerako iraungi egin zatekeen, haren lekua lehiakide arrakastatsuagoren batek hartu zukeelarik.