Here, then, we see in man's productions the action of what may be called the principle of divergence, causing differences, at first barely appreciable, steadily to increase, and the breeds to diverge in character, both from each other and from their common parent.
Gizakumearen ekoizkinetan, bada, dibergentzi hastapena dei geniezaiokenaren ekintza ikusten dugu, hasieran ozta-ozta hautemangarriak baina etengabeki haziz doazen ezberdintasunak sortuz eta arrazak ezaugarrietan bai elkarrengandik eta bai guztien arbasoarengandik urrunduz jokatzen duena.