Preface; Abstract; 1. The distribution of land and water; 2. The problem of the isostatic support of the continents; 3. The problem of the isostatic support of the mountains; 4. General theory of Earth tides; 5. Effect of inertia on Earth tides; 6. Effect of the spheroidal figure of the Earth on Earth tides; 7. General theory of a gravitating compressible planet; 8. Effect of compressibility on Earth tides; 9. The problem of gravitational instability; 10. Vibrations of a gravitating compressible planet; 11. Theory of the propagation of seismic waves; Index.