About the time the burrowers and all that feed upon them are addressing themselves to sleep, great flocks pour down the trails with that peculiar melting motion of moving quail, twittering, shoving, and shouldering.

But the most one sees of the burrowers, gophers, and mice is the fresh earthwork of their newly opened doors, or the pitiful small shreds the butcher-bird hangs on spiny shrubs.

No burrower is so unwise as not to have several exits from his dwelling under protecting shrubs.

The wind, too, is a besom over the treeless spaces, whisking new sand over the litter of the scant-leaved shrubs, and the little doorways of the burrowers are as trim as city fronts.

This animal is a great digger or burrower.

It must be recollected that many of the marine tenants are burrowers, and require a bottom adapted to their habits.

And this last threat seemed to have more weight than all the rest, probably because the Prince of Plassenburg had already done something of the kind to some other similar town, and the earth-burrowers of Erdborg had good reason to fear the thunder of his artillery.