They emerged from the projectile and walked in the direction Washington had pointed, holding their gas torches near their heads and talking of what they might see.

"This will be evidence in favor of my diamond theory," declared Jack.
"It shows that the Martians were here."

"Wait and see what it is," suggested his chum.

They walked along a short distance farther, and then Mark spoke.

"That ought to be the place over there," he said, pointing to a depression between two tall pinnacles of black rock.

Jack sprang forward, and a moment later uttered a cry of astonishment.

"Here it is!" he called. "A dead man!"

"A dead man?" echoed Professor Henderson.

"A petrified man," added Jack, in awe-struck tones. "He's turned to stone."

A few seconds later they were all grouped around the strange object—it was a man no longer, but had once been one. It was a petrified human being, a full-grown man, to judge by the size, and it was a solid image in stone, even the garments with which he had been clothed being turned to rock.