“Funny I never saw it go through town,” Reilly remarked at this point. “But what you don’t know can’t set the river on fire.” He grinned.

“It’s more than that,” Terry agreed. “That woman didn’t seem to want to be seen in town at all.”

“And something very queer about the whole thing,” Sim interrupted, “is where has Melissa been all this while? She usually hangs around our house.”

“Oh, I wouldn’t consider that,” Reilly suggested. “This bad weather probably accounts for it. She’s home.”

“Well, then, after that,” Arden went on with her story of events, “a man, dark, tall, and somewhat like Dimitri, drove up one night and he, too, asked the way to the Merry Jane. He wouldn’t let us row him over. He was very polite about it, and he took our boat. Toward morning I saw him drive away in his car that he had left parked at Terry’s house, and—and—” Arden faltered as she realized another surprising fact—“that’s the last time we heard from Dimitri!”

CHAPTER XIX
Tania Howls

This startling announcement held them all speechless. They had completely overlooked its significance. And yet it was so obvious. The dark stranger had evidently come over to the houseboat that night and—— Surely he was responsible for Dimitri’s disappearance.

Terry wandered over to the combination bed and couch and sank down upon it. She looked in a bewildered fashion at the floor and almost immediately was galvanized into action. At her feet lay a white paper; something they had not noticed before. She snatched it up and spread it out on her knee. It was part of an envelope torn partly across and lengthwise. Written on it in ordinary blue ink was this:

Ser

Ninth S