“That slide—”

“Moved? Never!”

“It was. That slide that we weren’t to move—”

“Nonsense!” said Wedderburn. “Why! How could they find out? Who do they say—”

“It was Mr. Hill.”

Hill!”

“Mr. Hill!”

“Not—surely not the immaculate Hill?” said Wedderburn, recovering.

“I don’t believe it,” said Miss Haysman. “How do you know?”

“I didn’t,” said the girl in spectacles. “But I know it now for a fact. Mr. Hill went and confessed to Professor Bindon himself.”