We may therefore conclude that if under a nearly similar climate the eocene inhabitants of the world could be put into competition with the existing inhabitants, the former would be beaten and exterminated by the latter, as would the secondary by the eocene, and the palaeozoic by the secondary forms.
Beraz, honako ondorio hauxe atera dezakegu, alegia, baldin eozeno aldiko munduko biztanleak, klima berdintsuan, egungo biztanleekin lehian jarri ahal balira, hauek haiek azpiratu eta suntsituko lituzketela, eozenoko formek sekundariokoak eta sekundariokoek paleozoikokoak azpiratuko lituzketen moduan.