"He has obligingly piled up so much evidence against himself," he answered with a lift of the eyebrows.

"The same kind of evidence that led you to search these rooms for my sister?"

Nigel stood rigidly on his dignity.

"That will be forthcoming at the proper time and place."

"Unlike my sister," she rejoined in a mischievous undertone.

"Possibly she may be forthcoming when Aintree has been arrested."

A provoking smile came to disturb the last remnants of gravity on Elsie's face, lending dimples to her cheeks and laughter to her eyes.

"Possibly he won't be arrested," she remarked.

"You will prevent it?"

"I leave that to you."