“I haven’t thought of anything,” Harry confessed. And Roy and Chub answered the same way.

“Well, it’ll come in time,” said Dick. “How about the funds, Harry? Got them safe?”

“Yes, they’re—but maybe I oughtn’t to tell where I keep them.”

“Just as well not to, I guess,” Dick laughed. “Chub might get hard up and borrow them.”

“Look here, Dick, what’s all this mean?” asked Roy, who was staring perplexedly at the drawing on top of the packing-case. “Are you inventing something?”

“Pshaw,” said Chub, “that’s just a problem in trig., isn’t it, Dick?”

“Well, you know all about it, so what’s the use of asking me?”

“No, go ahead and tell us, like a good fellow,” said Roy.

“Well, then, it’s the plan of an ice-boat.”

“Ice-boat!” exclaimed the others in chorus.