He used her name for the first time, and it thrilled him, but he had other things to think about. The faint glow of the charcoal vanished, and Grahame came out and stood listening.

"Stay where you are and guard the door!" he said. "I'll drop behind that bush, and then if the fellow gets down we'll have him between us."

Throwing away a cigarette he was smoking, he vanished into the gloom, and Walthew lay still with his heart beating fast. The drumming of hoofs grew slower as the rider climbed the hill before the house, but Walthew could not see him until he dismounted and came up the path, leading his mule. It was some comfort to realize that they had only one man to deal with, but if he was a spy of the President's, he must not get away. Walthew, lying at full length, quickly worked his elbow into the dust to steady his pistol hand.

When the stranger was three or four yards away he stopped and looped the bridle round his arm. Then he put his hand into his pocket, and Walthew, with his nerves a-tingle, supposed that the man was searching for a match. In another moment he might have to shoot, and he held his breath as his finger tightened on the trigger. He heard the match scrape, a tiny flame flickered between the stranger's hands, and Walthew started as he saw his face. It was the man who had carried the President's orders into Rio Frio.

The light spread, falling on Walthew's recumbent figure and sparkling on his pistol, but the messenger did not throw it down as the American had half expected. Instead, he coolly held it up.

"I see you have me covered," he said. "Though it's a surprise to find you here, I'm not going to run away."

Walthew lowered his pistol.

"Very well. Leave your mule and go into the house. Will you tie up the animal, Grahame?"

"So there are two of you!"

The man did as he was told, and Walthew, following him, asked Blanca to get a light.