like these come for me that they're important, and if you'll remember that
yourself, Jack, why, we'll be much obliged to you."

"I sure will be on the watch," promised Jack. "They'll be registered, of
course."

"Oh sure! But I don't imagine anything will happen to them. For no one can
know exactly when they will come. Only be on the watch for them."

"I certainly will! Now if you'll give me those I'll put them in a safe
place."

Mr. Argent handed over the missives, and Jack put them in his inside
pocket, and then used a safety pin to close the opening.

"Safety first!" he exclaimed with a laugh.

"That's right," assented the miner.

As Jack rode off on the back of his pony, which was becoming quite famous
because of his speed and the regularity with which he made the trips, the
young express rider thought of the two strangers who had suddenly
reappeared after having annoyed Jennie.

"I just wonder who they are, and what their game is," he reflected. "After
all, maybe it would have been a good thing if we had caught them. I guess
Jennie would be game enough to go to court and testify. But I don't know on
just what charge we could have held them."

"Anyhow, we haven't got 'em, so perhaps it's all for the best. But I sure