"Well, I hope it doesn't. And I'm going to do my best to see that something doesn't happen. But if it does, well, I'll have to put up with it, I suppose," Jack said, with a shrug of his shoulders.

"I almost hope the old package doesn't come," murmured Jennie, with a pout of her pretty lips.

"Oh, that wouldn't do," said Jack. "It's very valuable and important. And that's what the pony express is for—to transport speedily valuable and important packages and letters. I'll make out all right, I guess."

"I—I hope so," she faltered.

For several days after that Jack watched the mails anxiously for a sight of the package of documents relating to the mine. But it did not come, and as he made each trip he planned what to do at certain points of the road, where he might possibly be held up again.

"Though it's a question, just as Mr. Argent says, whether they would try the same tactics twice," Jack reasoned. "They may try some other game. I'll have to be on the watch for both."

Mr. Argent himself was getting anxious now. Each time Jack came into Rainbow Ridge from his trip, the miner asked if the letters had come. Each time Jack answered in the negative.

"Well, they'll be along any day now," Mr. Argent would say. "Be on the lookout."

Jack was idling about the Golden Crossing post office about a week after he had received the caution to be on his guard. He was waiting for the stage to come in with the western mail, with which he expected to make the ride back to Rainbow Ridge.

A dusty messenger rode up on a tired and lather-covered horse, and called to Postmistress Jennie: