"It's perfectly true, though," Ann assured him.
Masters craned round. His tone grew confidential.
"Come, now, miss! Just among ourselves. How can you be so sure of that?"
"Because four of us then were sitting as close together as the four of us are here now. With Dr. Rich in the middle, like this."
Ann reached out after the putter, and stood it up in the middle to represent Rich.
"The bridge lamp was shining down directly on us. The table was at least twelve feet away—"
"Just twelve feet," said Masters. "I measured it."
"And the circle wasn't broken," concluded Ann. "The only one who ever went near the table was Arthur Fane himself."
"I say, Masters," interposed H.M., who was leaning back in the beach-chair and had his revolting hat tilted over his spectacles. "What's your notion of the suggestion that somebody sneaked in by way of the door or the windows?"
Masters hesitated.