On the ordinary view of each species having been independently created, why should that part of the structure, which differs from the same part in other independently created species of the same genus, be more variable than those parts which are closely alike in the several species?
Espezieak banan kreatuak izan direla dioen teoria arruntaren arabera, banan kreaturiko genero bereko beste espezieen atal berdinaren diferentea den atalak, zergatik izan beharko luke epezie ezberdinetan elkarren antz-antzekoak diren atalak baino aldagarriagoa?