written on it. It was simple enough, and harmless enough, I should have said.
‘Si tu non veneris ad me, ego veniam ad te,’ which means, I suppose, 'If you don't come to me, I'll come to you.'"
“Could you show me the paper?” interrupted the listener.
“Yes, I could: but there's another odd thing about it. That same afternoon I took it out of my locker—I know for certain it was the same bit, for I made a finger-mark on it—and no single trace of writing of any kind was there on it. I kept it, as I said, and since that time I have tried various experiments to see whether sympathetic ink had been used, but absolutely without result.
“So much for that. After about half an hour Sampson looked in again: said he had felt very unwell, and told us we might go. He came rather gingerly to his desk, and gave just one look at the uppermost paper: and I suppose he thought he must have been dreaming: anyhow he asked no questions.
“That day was a half-holiday, and next day
