On this doctrine of the extermination of an infinitude of connecting links, between the living and extinct inhabitants of the world, and at each successive period between the extinct and still older species, why is not every geological formation charged with such links?
Munduko forma bizi eta iraungien arteko eta, hurrenez hurreneko aldi bakoitzean, espezie iraungi eta oraindik zaharragoean arteko katenbegi andana amaigabearen sakailaketa izan dela dioen doktrina honen arabera, zergatik ez daude formazio guztiak lokarri hauez gainezka?