On the other hand, if the sorcerer wishes to prevent rain from falling, he withdraws into the interior of the hut, and there heats a rock-crystal in a calabash.
This effect is owing not only to the heat being intercepted by the wire-gauze as it passes to the lungs, in consequence of which its temperature becomes supportable, but also to the singular power which the body possesses of resisting great heats, and of breathing air of high temperatures.