The dentist could not sleep.
What! It was warning him again, that strange sixth sense, that obscure brute instinct.

It was aroused again and clamoring to be obeyed.

Here, in these desolate barren hills, twenty miles from the nearest human being, it stirred and woke and rowelled him to be moving on.

It had goaded him to flight from the Big Dipper mine, and he had obeyed.

But now it was different; now he had suddenly become rich; he had lighted on a treasure--a treasure far more valuable than the Big Dipper mine itself.