Instinct more than reason had taught them a remedy for these ills.

It was the steam bath.

Something like a bake-oven was built, large enough to admit a man lying down.

Bushes were stuck in the ground in two rows, about six feet long and some two or three feet apart; other bushes connected the rows at one end.

The tops of the bushes were drawn together to interlace, and confined in that position; the whole was then plastered over with wet clay until every opening was filled.