There, another brute is dumping his rubbish over the skull of No.

14!" Thus we laboured continually, each at his different task, for the work in the mine never stopped, Oliver being in charge during the day and Quick at night for a whole week, since on each Sunday they changed with their gangs, Quick taking the day shift and Oliver the night, or _vice versa_.

Sometimes Maqueda came down the cave to inspect progress, always, I noticed, at those hours when Oliver happened to be off duty.
Then on this pretext or on that they would wander away together to visit I know not what in the recesses of the underground city, or elsewhere.
In vain did I warn them that their every step was dogged, and that their every word and action were noted by spies who crept after them continually, since twice I caught one of these gentry in the act.

They were infatuated, and would not listen.
At this time Oliver only left the underground city twice or thrice a week to breathe the fresh air for an hour or two.

In truth, he had no leisure.