1. INTRODUCTION

2. DATA

3. SAMPLE AND BASIC MEASUREMENTS

4. ERROR ESTIMATION

5. STATISTICAL TECHNIQUES

6. COLOR-MAGNITUDE RELATIONS OF EARLY-TYPE DWARF SUBCLASSES

7. COLOR-MAGNITUDE RELATIONS OF DENSITY-SELECTED SAMPLES

8. THE SCATTER OF THE COLOR-MAGNITUDE RELATION

9. COMPARISON WITH STELLAR POPULATION MODELS

10. SUMMARY AND DISCUSSION