Table of Contents

1 Historical Introduction 2 The Nature of the Drift Theory and Its Relationship to Hitherto Prevalent Accounts of Changes in the Earth's Surface Configuration in Geological Times 3 Geodetic Arguments 4 Geophysical Arguments 5 Geological Arguments 6 Palaeontological and Biological Arguments 7 Palaeoclimatic Arguments 8 Fundamentals of Continental Drift and Polar Wandering 9 The Displacement Forces 10 Supplementary Observations on the Sialsphere 11 Supplementary Observations on the Ocean Floor Appendix References Index

About the Author

Alfred Wegener (1880-1930) was a German scientist, geophysicist and meteorologist. He is most notable for his 1912 theory of continental drift, which was not accepted until the 1950s, when numerous discoveries such as paleomagnetism confirmed his hypothesis.