1. INTRODUCTION  
2. OBSERVATIONS AND DATA REDUCTION  
3. METHODS  
3.1. Spectra Dominated by Emission Lines  
3.2. Spectra with Broad Absorption Lines  
4. RESULTS  
4.1. Spectral Features  
4.2. Basic Distributions  
4.4. Spectra of Common CVs in SDSS  
4.5. Description of the Catalog  
5. DISCUSSION AND SUMMARY