Javert has been glaring at Courfeyrac, partly out of habit and partly because he distrusts anyone who smiles all the time, and for no reason.

'Good Lord, are you all breeding?'

Obviously he knew there were a lot of them, but it has been a long time since he was surrounded like this. He also shoots a look at Joly, because it has started to play on his mind too. What are they supposed to do if these things do not come off by nightfall?

'I have work to do. Horses to feed, and the like. I will not neglect them for your convenience.'

This last at Enjolras, obviously.