This was especially noticeable when this week's work was over; for the confinement in the sickening atmosphere, and the fatigue of walking continually round the close confined space within the van, told upon the girl's strength so severely, that the last night of the fair she could scarcely do her treadmill task, and when at last the door was closed, and the steam whistle screeched its final blast, the poor girl sank down upon the floor more dead than alive.
