"You never know. He may have done it on purpose."

"How absurd!"

"Rather rough on the man, aren't you?" I said.

"Merely a suggestion," continued Mr. Chase airily. "I've been reading sensational novels lately, and it seems to me that Hawk's cut out to be a minion. Probably some secret foe of the professor's bribed him."

My heart stood still. Did he know, I wondered, and was this all a roundabout way of telling me that he knew?

"The professor may be a member of an anarchist league, or something, and this is his punishment for refusing to assassinate the Kaiser."

"Have another cup of tea, Tom, and stop talking nonsense."

Mr. Chase handed in his cup.

"What gave me the idea that the upset was done on purpose was this. I saw the whole thing from the Ware cliff. The spill looked to me just like dozens I had seen at Malta."

"Why do they upset themselves on purpose at Malta particularly?" inquired Phyllis.