At intervals he returns to the orifice, always tail first, and always raking and sweeping.

If fatigue overcomes him he rests on the threshold of his burrow, his head projecting outwards, his antennae gently vibrating.

Presently he re-enters his tunnel and sets to work again with his pincers and rakes.

Presently his periods of repose grow longer and tire my patience.
The most important part of the work is now completed.

Once the burrow has attained a depth of a couple of inches, it forms a sufficient shelter for the needs of the moment.