>I say they superceded because queen cells were in center of combs.
> Also, the original queen was driven out or killed.
No. I'm pretty sure the original queen tried to swarm when the first swarm cell was capped (eight days before the first swarm queen emerged). She was clipped so she could not fly. She ended up on the ground with a cluster of bees on her. The cluster gave up and returned to the hive before you noticed. The queen perished. The swarm left with the first virgin eight days later.
> In my ignorance, I ordered a marked, clipped queen. She did not swarm.
I am certain that she tried. But, of course, she could not.
> I suppose I am confused by terminology. The colony did not like the old queen and replaced her.
I don't think so. I think the colony tried to swarm with the old queen and failed. The old queen couldn't make it back since she couldn't fly.
>How do I know when im feeding too much?
If there is nectar coming in and they have a bit of capped honey you are probably feeding too much. Bees collect nectar. It's what they do. When you feed you give them this unending supply of what the bees probably view as spilled honey to clean up. Rather than being reined in by the normal set of feedback mechanisms (the receiver bees stop taking the nectar when they don't have any place to put it) they keep trying to put it somewhere and the only place to put it is in the brood nest. This creates the sequence of events that leads to swarming.http://bushfarms.com/beesswarmcontrol.htm#reproduction