Frank groaned.

“Yes, awfully kind! I took a tumble to myself, after spending two hours showing her the ‘sights.’”

“Took a tumble?”

“Exactly.”

“What do you mean?”

“I was helping the old lady down from the ’bus. Her dress caught, and then I saw she wore a pair of men’s trousers underneath. That aroused me, and I looked her over carefully. May I be hanged, if it wasn’t the same dried up little man who had been following me in the first place! His mustache was gone, and he had changed his disguise, but it was the same man.”

“Well! well! I do declare!”

“I declared a trifle about then myself. I quietly informed him that I knew him, and that I would give him a jolly good thrashing if I caught him again. And then I skipped.”

“Well, you got rid of him at last.”

“Did I! Look here, professor.”