2 OBSERVATIONS
2.1 The HST/ACS Coma Cluster Treasury Survey
2.2 MMT / Hectospec Observations
3 THE SAMPLE
3.1 Selection Criteria
3.2 Location in the Cluster
4 PHOTOMETRIC PROPERTIES
4.1 Structural Parameters
4.2 Colour Maps
5 SPECTROSCOPIC ANALYSIS
5.1 Velocity Dispersions and Masses
5.2 Stellar Population Parameters
6 DISCUSSION
6.1 Progenitors
7 SUMMARY