They are all alike, these ardent sweepers: in their excessive zeal, they fear lest they should block up the speck of dust which they might drop in front of the new house.

The glass tubes, which I myself have rinsed under the tap, are not exempt from a scrupulous cleaning.

The Osmia dusts them, brushes them thoroughly with her tarsi and then sweeps them out backwards.

What does she pick up?
Not a thing.
It makes no difference: as a conscientious housewife, she gives the place a touch of the broom nevertheless.
Now for the provisions and the partition-walls.

Here the order of the work changes according to the diameter of the cylinder.