Dick’s expressive face told the girls of his disappointment before he spoke. “Didn’t see a thing unusual,” he said. “Of course we couldn’t go far because of the marsh.”

“It sure is too bad the surf’s crashin’ in the way ’tis today,” Gibralter told them. “Here’s Dick, come all the way from Boston to stay till Sunday night, jest so’s we could go up that little creek in the marsh. He’s wild to get into the ol’ ruin, aren’t you, Dick?”

“Yep,” the other boy agreed, “but if we can’t make it this week end, I’ll come down next.” Then with sudden interest, “How long are you girls going to be here on Siquaw Point?”

Although Dick asked the question of Nann, it was Dories who replied. “Aunt Jane said this morning that she thinks we will be leaving in about ten days now. You see,” by way of explanation, “my elderly aunt came down here for absolute rest, and now that she is rested, we may go back to town sooner than we expected.”

The four young people had seated themselves on the rocks.

Nann put in with: “I, for one, don’t want to leave this place until we have cleared up a few of the mysteries.” Then, chancing to thrust her hand in the pocket of her sweater-coat, she drew out a half dozen slips of crumpled yellow paper. “Oh, Gib,” she exclaimed, “where in the world do you suppose these came from? We find them in the queerest places. We can’t understand in the least who is leaving them.”

Gibralter’s face was a blank. “What’s that writin’ on ’em?” He picked one up as he spoke and scrutinized it closely.

“In nine days you shall know all,” Dick read as he looked over his friend’s shoulder.

“Know all o’ what?” Gib queried.

The boys looked from Dories to Nann. The girls shook their heads. “We thought maybe you could help clear up some of the mysteries,” the latter said. “Have you ever heard of any queer person hanging around this beach? A hermit or a—a——”