But this difficulty partially disappears on the view that New Zealand, South America, and the other southern lands, have been stocked in part from a nearly intermediate though distant point, namely, from the antarctic islands, when they were clothed with vegetation, during a warmer tertiary period, before the commencement of the last Glacial period.
Baina zailtasun hori desagertu egiten da hein batean honako hipotesi honen arabera: Zeelanda Berria, Hego Amerika, baita hegoaldeko beste zenbait herrialde ere, guztion erdi inguruan, nahiz eta urrun, dagoen puntu batetik etorririko landarez hornitu zirela batik bat, antarktiar irletatik alegia, hauek landarez jantzirik zeudenean tertziarioko beroaldi batean, azken glaziaraldia hasi baino lehen.