Horváth Géza (szerk.): A Magyar Természettudományi Múzeum évkönyve 18. (Budapest 1921)

Éhik, Gy.: The glacial-theories in the light of biological investigation

THE GLACÍAL-THE0R1ES. 95 According to Mr. WALTHER, it is in that time thet Africa came into the reach of the migrating animals, having kept their essential characters up to this day. Fig. 3. Zoogeographical map of Europe in the glacial period. (Orig.) 4. The ice withdraws, a consequence of this beeing at the same time the withdrawal of the arctic forms, and the liberated territories c