In the meantime the door was bulging in the center under blows of increasing weight. A second battering ram was now brought into play, and the rain of blows was unceasing. Still between shocks, the door sprang back, but there was a telltale rattle at every blow. Finally, as a yell sprang up from the crowd at the sight, the upper hinge snapped loudly, and the door sagged in. Both timbers were now apparently swung at the same moment. Under the joint impact the door was literally lifted from its last hinge and hurled inward. And with it lunged the two battering rams and the men who had wielded them. They tumbled headlong, carried away by the very weight of their successful blow.

"Now!" called Sinclair, and he sprang with an Indian yell over the heads of the sprawling men in the doorway and into the thick of the crowd.

Half a dozen of the drawn guns whipped up at the sight, but no one could make sure in the half-light of the identity of the man who had dashed out. Their imaginations placed the two prisoners safely behind the bars inside. Before they could think twice, a second figure leaped through the doorway and passed them in the opposite direction.

Then they awakened to the fact, but they awakened in confusion. A dozen shots blazed in either direction, but they were wild, snapshots of men taken off balance.

Two leaps took Sinclair through the thick of the astonished men before him. He came to the scattering edges and saw a man dive at him. The cowpuncher beat the butt of his gun into the latter's face and sped on, whipping around the corner of the little jail, with bullets whistling after him.

His own gun, as he leaped out of sight, he fired into the ground, and he heard a similar shot from the far side of the building. Those two shots, as he had predicted, checked the pursuers one vital second and kept them milling in front of the jail. Then they spilled out around the corners, each man running low, his gun ready.

But Sinclair, deep in the darkness of the tree shadows behind the jail, was already out of sight. He caught a glimpse of Arizona sprinting ahead of him for dear life. They reached the cottonwoods together and were greeted by a low shout from the girl; she was running out from the shelter, dragging the horses after her.

Arizona went into his saddle with a single leap. Sinclair paused to take the jump, with his hand on the pommel, and as he lifted himself up with a jump, a gun blazed in point-blank range from the nearest shrubbery.

There was a yell from Arizona, not of pain, but of rage. They saw his gun glistening in his hand, and, swerving his horse to disturb the aim of the marksman, his weapon's first report blended with the second shot from the bushes, a tongue of darting flame. Straight at the flash of a target Arizona had fired, and there was an answering yell. Out of the dark of the shrubbery a great form leaped, with a grotesque shadow beneath it on the moon-whitened ground.

"Cartwright!" cried Sinclair, as the big man collapsed and became a shapeless, inanimate black heap.