In a future chapter I shall attempt to show that the adult differs from its embryo, owing to variations having supervened at a not early age, and having been inherited at a corresponding age.
Hurrengo kapitulu batean saiatuko naiz frogatzen heldua enbrioia ez bezalakoa dela, eraldaketak adin ez goiztiarrean gertatu eta antzerako adinean heredatzen direlako.