"Nothing," returned the professor. "That's the strangest part of it-to me. It was a peculiar dagger, too," he continued reminiscently. "I say that it was valuable, for on the blade were engraved some curious Inca characters. I wasn't able to take the time to decipher them, down there, for the age of the metal made them almost illegible. But now that I have all my stuff unpacked and arranged after my trip, I was just about to try-when along comes a thief and robs me. We can't have the University Museum broken into that way, you know, Kennedy."