of Volume 4A.- 1. Mediterranean and Tethys.- I. Introduction.- II. The Overall Situation.- III. Tethyan Faunas and Paleotectonics.- IV. Paleotectonic and Paleogeographic Evolution.- A. Permian and Triassic: Paleotethys and Early Rifting.- B. Jurassic: The Oceanic Tethys.- C. Cretaceous to Recent: Alpine Orogeny and Mediterranean.- V. Conclusions.- Acknowledgments.- References.- 2. Tectonic Evolution of the Mediterranean Basins.- I. Introduction.- A. Statement of Three Hypotheses.- B. Physiographic Provinces of the Mediterranean.- II. Balearic Basin.- A. Crustal Structure and Age.- B. Origin.- C. Summary of Geologic History.- III. Tyrrhenian Basin.- A. Crustal Structure and Age.- B. Origin.- C. A Speculative Summary.- IV. Eastern Mediterranean.- A. Crustal Structure and Age.- B. Tethys and Mediterranean.- V. Aegean Sea.- VI. Summary and Conclusions.- Acknowledgments.- References.- 3. Post-Miocene Depositional Patterns and Structural Displacement in the Mediterranean.- I. Introduction.- II. Neogene to Recent Stratigraphy.- A. Continuous Seismic Profiles.- B. Correlation between CSP and Sea-Floor Samples.- III. Thickness of Post-Miocene Sequences.- A. General Regional Depositional Patterns.- B. Rates of Sedimentation.- IV. Plio-Quaternary Sedimentation.- V. Geologically Recent Mobility of Margins and Basins.- VI. Depositional Patterns Modified by Diverse Neotectonics.- VII. Deposition in Mobile Settings: Application to the Geological Record.- A. Sediment Dispersal.- B. Turbidite Successions and Flysch.- C. Depositional Patterns and Paleogeography.- VIII. Summary.- Acknowledgments.- References.- 4. Geophysics of the Mediterranean Sea Basins.- I. Introduction.- II. Western Mediterranean.- A. Available Geophysical Data.- B. Principal Results.- C. Interpretations and Implications.- III. Central Mediterranean.- A. Available Geophysical Data.- B. Principal Results.- C. Interpretations and Implications.- IV. Eastern Mediterranean.- A. Available Geophysical Data.- B. Principall#Ç