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Article Contents

TITLE PAGE

1.INTRODUCTION

2.CLASSICAL MORPHOLOGY AND THE HUBBLE SYSTEM

2.1.How should we judge the Hubble system?

2.2.Physical foundations of the Hubble sequence

2.3.Ellipticals

2.3.1.Age Controversy

2.3.2.Environmental Effects

2.3.3.Luminosity and the Fundamental Plane

2.4.S0 Galaxies

2.5.Late-type Galaxies

2.5.1.Two physical regimes along the tuning fork?

2.5.2.Bulge formation

2.6.An improved Hubble system?

3.MORPHOLOGY AT HIGH REDSHIFTS

3.1.The nature of high-z peculiar galaxies

3.1.1.The evolving merger rate

3.1.2.When does a merger become a galaxy?

3.1.3.Morphologies of Lyman-limit systems considered dangerous

3.1.4.New classes of galaxies

REFERENCES