1. INTRODUCTION

2. DETECTION AND CHARACTERIZATION OF LOW-MASS QUIESCENT GALAXIES IN VIRGO  
2.1. Sample selection in the NGVS  
2.2. Measurements of apparent axis ratios  
2.3. Galaxy detection rate as a function of axis ratio and surface brightness  

3. BAYESIAN INFERENCE OF INTRINSIC SHAPES  
3.1. A family of triaxial galaxy models  
3.2. Bayesian analysis  

4. THE INTRINSIC SHAPES OF LOW-LUMINOSITY VIRGO GALAXIES  

5.2. Comparison with luminous dEs in Virgo  
5.3. Comparison with Local Group satellites  
5.4. Comparison with numerical simulations of tidal evolution for satellites  
5.5. Comparison with low-luminosity, star-forming galaxies in the field  

6. SUMMARY AND CONCLUSIONS