Oh dear, things are not as they should be in the wormery. The bottom two levels have sort of stagnated, they are a rotting mass of organic material, the worms haven't composted them. There aren't any worms to be seen in these two layers.
The large clump of worms that I 'migrated' from the top layer to the bottom layer stayed in a big clump and.............this is terrible I'm afraid but they actually..............melted!
Feeling very disheartened I telephoned Wiggley Wigglers and was very fortunate in that Heather Gorringe picked up the phone. She spent a long time discussing the situation and feels that all is not beyond hope. While there are very few worms left in the wormery, there will aparently be lots of eggs and the wormery should repopulate. I have aerated both lower layers and will now leave the wormery for 10 days to 'recover'. It seems that I emptied the lowest layer too early. If there were lots of worms in there, then this is probably where they wanted to be and I was too hasty in moving things on.
So, will stop adding to the wormery for the next 10 days and see how things are looking then.