The director, who happened to be a man of keen anthropological insight, had therefore himself to come to the rescue.

Assembling the tribal elders, he placed a stone on the ground, saying to one "This is your hut," and to another "This is your hut," as he placed a second stone a little way from the first.

"And now where is yours ?" he asked a third.

The natives at once entered into the spirit of the game, and in a short time there was plotted out a plan of the whole settlement, which subsequent verification proved to be both geographically and numerically correct and complete.

This story may serve to show how nature supplies man with a ready reckoner in his faculty of perception, which suffices well enough for the affairs of the simpler sort of life.