“Say ‘kid’ at once, professor.”

“I do not use slang,” returned Professor Puffer severely. “I shall wait and see Mr. Cunningham.”

“You will excuse my going on with my work.”

“What are you doing?”

“Sorting Mr. Cunningham’s papers.”

“Does he trust you to do that?”

“He requests me to do so.”

“Do you actually mean to say that you have been engaged as his traveling companion?”

“It is quite true.”

“Where did you fall in with him?”