Preface; 1. General considerations; 2. The Stokesian realm; 3. Swimming of a sheet; 4. The biology of low-Reynolds-number locomotion; 5. Resistive-force theory of flagellar propulsion; 6. Analysis of the flagellum; 7. Ciliary propulsion; 8. The Eulerian realm: the inertial force; 9. The Eulerian realm: the vortex force; 10. The swimming of fish; 11. Some aspects of the aerodynamics of birds and insects; 12. Interactions; References; Index.