In desperation Ouglat put every ounce of his strength into a heave that broke the other's grip and flung him away.

The two monstrosities surged to their feet, their eyes red with hate, glaring through the dust cloud at one another.

Slowly Ouglat's hand stole to a black, wicked cylinder that hung on a belt at his waist. His fingers closed upon it and he drew the weapon. As he leveled it at Mal Shaff, his lips curled back and his features distorted into something that was not pleasant to see.

Mal Shaff, with doubled fists, saw the great thumb of his enemy slowly depressing a button on the cylinder, and a great fear held him rooted in his tracks. In the back of his brain something was vainly trying to explain to him the horror of this thing which the other held.

Then a multicolored spiral, like a corkscrew column of vapor, sprang from the cylinder and flashed toward him. It struck him full on the chest and even as it did so he caught the ugly fire of triumph in the red eyes of his enemy.

He felt a stinging sensation where the spiral struck, but that was all. He was astounded. He had feared this weapon, had been sure it portended some form of horrible death. But all it did was to produce a slight sting.

For a split second he stood stock-still, then he surged forward and advanced upon Ouglat, his hands outspread like claws. From his throat came those horrible sounds, the speech of the fourth dimension.

"Did I not tell you, foul son of Sargouthe, that I had solved a mystery you have never guessed at? Although you destroyed me long ago, I have returned. Throw away your puny weapon. I am of the lower dimension and am invulnerable to your engines of destruction. You bloated…." His words trailed off into a stream of vileness that could never have occurred to a third-dimensional mind.

Ouglat, with every line of his face distorted with fear, flung the weapon from him, and turning, fled clumsily down the moor, with Mal Shaff at his heels.

* * *