“Och! Like diss,” he said, indicating with his large hands a letter of about eight inches in diameter. “Und it pulged out like dere vass vun hundred pages mitt der inside.”

“Are you sure that letter was addressed to North Dakota?” Tom asked. Heinie was positive. He even remembered it was Coover’s Falls.

“What was the handwriting like?” Brent asked Heinie, coming down the stairs as he spoke.

“Och!” the fellow answered. “Der writing vass der craziest, like somebody mitt shivers. See?”

“I know I’m trying hard to see, Heinie,” Tom said, in tones of despair. “But here’s your quarter back anyway and many thanks for all your trouble.”

“Who else,” I said, after Heinie had left, “could have written her, do you think?”

“I feel as though I’ll never be able to think again,” Tom said, and flung himself wearily into the easy chair. “What do you think, Brent?”

Brent adjusted his spectacles and started to rummage among the papers on the table, saying: “I think I’ll look for a time-table and find me a nice cozy train for Bridgeboro. I need the rest!”

CHAPTER XXVII—MYSTERY UPON MYSTERY

We decided to think no more that night about the letter. It was far too deep a problem for us to solve and I suggested letting the matter drop. That is, until we heard from Mrs. Northrop or Mrs. Boardman.