1 INTRODUCTION  
2 THE PHOTOMETRIC AND ASTROMETRIC SAMPLE  
3 CROSS-MATCH WITH PREVIOUS SURVEYS  
4 NEW STELLAR AND SUBSTELLAR MEMBERS IN THE PRAESEPE  
4.1 Astrometric selection  
4.2 Photometric selection  
4.3 Search for lower mass members  
4.4 Formal Membership probabilities  
5 ESTIMATION OF CONTAMINATION  
6 DISCUSSION ON THE BINARY FREQUENCY  
7 VARIABILITY AT 600 MYR  
8 LUMINOSITY AND MASS FUNCTION  
8.1 Isochrone of Praesepe  
8.2 The cluster luminosity function  
8.3 The cluster mass function  
9 SUMMARY AND CONCLUSIONS