But he could not understand what Dane and the girl were saying.

He did not want to be seen spying on the stairs of the Casino, and when it seemed he could not get nearer that room without discovery, as people were passing through the upper halls, he retreated to the street.

But he did not at once go away.

Taking a position on the opposite side of the street, where he fancied he could not be seen, he watched the door marked “Private.”

But though he tarried there two hours, Jackson Dane did not reappear.

Buffalo Bill was a good deal puzzled, when he made his way back to the Eagle House.

“But there’s one thing,” he resolved; “to-night I’ll watch Juniper Joe’s cabin for a while.”

He did not wait until night, however, before visiting the place. He made a bold call on Juniper Joe, soon after leaving the Casino.

The door of the cabin was locked, as usual; but when the scout had rapped briskly two or three times, heavy steps were heard, and Juniper Joe cautiously opened the door.

“Oh, it’s you!” he said, when he beheld the scout, his manner uneasy.