Fully a minute passed before David Curtis moved. Stooping down, he groped about for his cane. It had rolled a slight distance away and it took him some few seconds to find it. Possession of the cane brought a sense of security; it was something to lean on, something to use to defend himself.... He paused and listened attentively. No sound disturbed the quiet of the night. Taking out his repeater he pressed the spring—a quarter past two. He had remained downstairs in the library far later than he had realized.